A detection device for electrical automation equipment

Abstract

The present invention discloses a detection device for electrical automation equipment, including a voltage detector body, a main rod, a secondary rod, a main detection needle and a secondary detection needle. The main rod is provided with a slot along its axial direction, the secondary rod is fixedly arranged in the slot, the main detection needle is fixedly connected to the front end of the main rod, the secondary detection needle is connected to the front end of the secondary rod, the main detection needle and the secondary detection needle are both electrically connected to the detection circuit in the voltage detector body, the secondary rod and the secondary detection needle are fixedly connected by an elastic device, and the elastic device includes a plug sleeve, a plug rod and a reset spring. A voltage detector of the present invention achieves the purpose of easy storage by fixing the secondary rod in the slot of the main rod; at the same time, by setting an elastic device between the secondary detection needle and the secondary rod to fix it, the purpose of energizing the secondary detection needle when it is needed is achieved, avoiding long-term energization.

Description

Technical Field

[0001] The invention relates to detection equipment, in particular to a detection device for electrical automation equipment. Background Art

[0002] For the maintenance of electrical automation equipment, it is often necessary to test the voltage of the equipment. The two test pins of the current voltage test equipment are both separate structures, which are not convenient for storage, and the cables may be broken and entangled. At the same time, the current test pins are fixedly connected to the handheld rod. When the test instrument is turned on, the test pins are conductive, which may cause inaccurate detection or accidental contact with high voltage and damage the test equipment. Summary of the invention

[0003] The purpose of the present invention is to provide a detection device for electrical automation equipment in order to solve the above-mentioned problem.

[0004] The present invention achieves the above-mentioned purpose through the following technical solutions:

[0005] A detection device for electrical automation equipment includes a voltage detector body, a main rod, a secondary rod, a main detection needle and a secondary detection needle. The main rod is provided with a slot along its axial direction, the secondary rod is fixedly arranged in the slot, the main detection needle is fixedly connected to the front end of the main rod, the secondary detection needle is connected to the front end of the secondary rod, and the main detection needle and the secondary detection needle are both electrically connected to the detection circuit in the voltage detector body.

[0006] Specifically, the slot is a rectangular slot, and the slot is arranged parallel to the central axis of the main rod. The secondary rod is a rectangular rod adapted to the slot. The front end of the secondary rod is provided with a limiting ring to prevent the secondary rod from sliding backward along the slot, and the inner side of the slot is provided with an anti-slip rubber layer.

[0007] Furthermore, the secondary rod and the secondary detection needle are fixedly connected by an elastic device, and the elastic device includes a sleeve, a rod and a reset spring. A blind hole is provided at the front end of the secondary rod, the sleeve is fixedly provided on the bottom surface of the blind hole and is electrically connected to the voltage detector body, the rear end of the secondary detection needle is provided in the blind hole, the front end of the rod is fixedly connected to the rear end surface of the secondary detection needle, the two ends of the reset spring are respectively connected between the rear end surface of the secondary detection needle and the bottom surface of the blind hole, the rod is electrically connected to the secondary detection needle, and a conductive sheet is provided on the inner side surface of the sleeve.

[0008] Preferably, the diameter of the plug rod is equal to the inner diameter of the socket, the conductive sheet is an arc-shaped spring sheet, both ends of the conductive sheet are fixedly connected to the inner side surface of the socket, and the conductive sheet contacts the plug rod for electrical conduction.

[0009] As an improvement, a bead groove is provided on the outer wall of the secondary rod detection needle, a bead is provided on the inner wall of the blind hole, and a spring is provided between the bead and the secondary rod.

[0010] The beneficial effects of the present invention are:

[0011] A detection device for electrical automation equipment of the present invention achieves the purpose of easy storage by fixing the secondary rod in the slot of the main rod; at the same time, an elastic device is arranged between the secondary detection needle and the secondary rod to fix it, so that the secondary detection needle is energized when needed, avoiding long-term power-on. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of a detection device for electrical automation equipment according to the present invention;

[0013] Figure 2 It is a cross-sectional view of the main rod of the present invention. DETAILED DESCRIPTION

[0014] The present invention will be further described below in conjunction with the accompanying drawings:

[0015] like Figure 1 and Figure 2 As shown, a detection device for electrical automation equipment of the present invention comprises a voltage detector body, a main rod 1, a secondary rod 3, a main detection needle 4 and a secondary detection needle 5. The main rod 1 is provided with a slot 2 along its axial direction, the secondary rod 3 is fixedly arranged in the slot 2, the main detection needle 4 is fixedly connected to the front end of the main rod 1, the secondary detection needle 5 is connected to the front end of the secondary rod 3, the main detection needle 4 and the secondary detection needle 5 are both electrically connected to the detection circuit in the voltage detector body, the slot 2 is a rectangular slot, and the slot 2 is arranged parallel to the central axis of the main rod 1, the secondary rod 3 is a rectangular rod adapted to the slot 2, the front end of the secondary rod 3 is provided with a limit clamp 11 to prevent the secondary rod 3 from sliding backward along the slot 2, and the inner side of the slot 2 is provided with an anti-slip rubber layer 10.

[0016] The secondary rod 3 and the secondary detection needle 5 are fixedly connected by an elastic device, which includes a sleeve 7, a rod 8 and a reset spring 9. A blind hole 6 is provided at the front end of the secondary rod 3. The sleeve 7 is fixedly arranged on the bottom surface of the blind hole 6 and is electrically connected to the voltage detector body. The rear end of the secondary detection needle 5 is arranged in the blind hole 6. The front end of the rod 8 is fixedly connected to the rear end surface of the secondary detection needle 5. The two ends of the reset spring 9 are respectively between the rear end surface of the secondary detection needle 5 and the bottom surface of the blind hole 6. The rod 8 is electrically connected to the secondary detection needle 5. A conductive sheet is provided on the inner side surface of the sleeve 7. The diameter of the rod 8 is equal to the inner diameter of the sleeve 7. The conductive sheet is an arc-shaped spring sheet. The two ends of the conductive sheet are fixedly connected to the inner side surface of the sleeve 7. The conductive sheet contacts the rod 8 for conduction.

[0017] As an improvement, a bead slot 12 is provided on the outer wall of the secondary detection needle 5, a bead 13 is provided on the inner wall of the blind hole 6, and a spring 14 is provided between the bead 13 and the secondary rod 3. When the secondary detection needle 5 is inserted, the spring 14 clamps the bead 13 into the bead slot 12, so that the secondary detection needle 5 is not easily ejected.

[0018] The working principle of a detection device for electrical automation equipment of the present invention is as follows:

[0019] The spring size, elastic coefficient, etc. can be determined by those skilled in the art through work experience and common sense. Even if they cannot be determined through work experience and common sense, the selected spring type can be determined through a limited number of experiments. Therefore, there is no need to specify a specific model. Flexible selection can be made according to the usage.

[0020] When not in use, the secondary rod 3 is fixed in the slot 2 of the main rod 1 , and the secondary rod 3 and the main rod 1 are prevented from moving by the limiting clamp ring 11 and the anti-slip rubber layer 10 .

[0021] When it is needed, separate the secondary rod 3 from the main rod 1 and turn on the switch of the voltage detector body. At this time, the secondary detection pin 5 is not energized. Then, by pressing the secondary detection pin 5 backward, the reset spring 9 contracts, the plug sleeve 7 contacts the plug rod 8 for conductivity, and the secondary detection pin 5 is energized, and normal voltage detection can be performed.

[0022] The technical solution of the present invention is not limited to the above-mentioned specific embodiments. All technical variations made according to the technical solution of the present invention fall within the protection scope of the present invention.

Claims

1. A detection device for electrical automation equipment, Features: The device comprises a voltage detector body, a main rod, a secondary rod, a main detection needle and a secondary detection needle, wherein the main rod is provided with a slot along its axis, the secondary rod is fixedly arranged in the slot, the main detection needle is fixedly connected to the front end of the main rod, the secondary detection needle is connected to the front end of the secondary rod, and the main detection needle and the secondary detection needle are both electrically connected to the detection circuit in the voltage detector body; The secondary rod is fixedly connected to the secondary detection needle by an elastic device, and the elastic device includes a sleeve, a rod and a reset spring. A blind hole is provided at the front end of the secondary rod, the sleeve is fixedly provided on the bottom surface of the blind hole and is electrically connected to the voltage detector body, the rear end of the secondary detection needle is provided in the blind hole, the front end of the rod is fixedly connected to the rear end surface of the secondary detection needle, the two ends of the reset spring are respectively located between the rear end surface of the secondary detection needle and the bottom surface of the blind hole, the rod is electrically connected to the secondary detection needle, and a conductive sheet is provided on the inner side surface of the sleeve.

2. A detection device for electrical automation equipment according to claim 1, Features: The slot is a rectangular slot, and the slot is arranged parallel to the central axis of the main rod. The secondary rod is a rectangular rod adapted to the slot. A limiting ring is arranged at the front end of the secondary rod to prevent the secondary rod from sliding backward along the slot, and an anti-slip rubber layer is arranged on the inner side of the slot.

3. A detection device for electrical automation equipment according to claim 1, Features: The diameter of the plug rod is equal to the inner diameter of the socket, the conductive sheet is an arc-shaped spring sheet, both ends of the conductive sheet are fixedly connected to the inner side surface of the socket, and the conductive sheet contacts the plug rod for electrical conduction.

4. A detection device for electrical automation equipment according to claim 1, Features: A bead groove is arranged on the outer wall of the secondary detection needle, a bead is arranged on the inner wall of the blind hole, and a spring is arranged between the bead and the secondary rod.

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