CN211348598U - Device for detecting internal state of wiring terminal - Google Patents
Device for detecting internal state of wiring terminal Download PDFInfo
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- CN211348598U CN211348598U CN201921464594.6U CN201921464594U CN211348598U CN 211348598 U CN211348598 U CN 211348598U CN 201921464594 U CN201921464594 U CN 201921464594U CN 211348598 U CN211348598 U CN 211348598U
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- elastic metal
- metal sheet
- internal state
- probe rod
- elastic
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Abstract
The utility model provides a device for detecting the internal state of a wiring terminal, which comprises a probe rod, four elastic metal sheets, a metal wire and a universal meter; wherein the four elastic metal sheets are composed of a first elastic metal sheet, a second elastic metal sheet, a third elastic metal sheet and a fourth elastic metal sheet. The first elastic metal sheet and the second elastic metal sheet are arranged on one side of the probe rod, and the third elastic metal sheet and the fourth elastic metal sheet are arranged on the other side of the probe rod; the first elastic metal sheet is connected with the third elastic metal sheet through a metal lead; the second elastic metal sheet and the fourth elastic metal sheet are respectively connected with two ends of a multimeter on-off test buzzing gear through metal leads. The utility model discloses can be difficult to the visual observation and judge under the condition of binding post inner structure state at the staff, realize detecting out the inner structure state of terminal fast effectively.
Description
Technical Field
The utility model belongs to the technical field of the appearance accuse signal cable termination, concretely relates to detect device of binding post internal state.
Background
The problem of abnormal signals caused by the wrong termination of an instrument control signal cable is solved for many times in Fuqing nuclear power plants and power plants in the same industry. As shown in fig. 1 to 3, when a cable is terminated, due to the special structure and the inherent small size of the terminal, it is difficult for a worker to visually observe and judge the actual installation state of the terminal when inserting the terminal into the terminal, thereby causing a problem of loose connection caused by erroneous installation in the subsequent operation process. The stability, the economy and even the safety of the power station operation are influenced.
Therefore, it is desirable to design a detection device to solve the above problems in the prior art.
Disclosure of Invention
The utility model aims at providing a detect device of binding post internal state can detect out terminal inner structure state fast effectively.
The utility model adopts the technical proposal that:
a device for detecting the internal state of a wiring terminal comprises a probe rod, four elastic metal sheets, a metal wire and a universal meter; wherein the four elastic metal sheets are composed of a first elastic metal sheet, a second elastic metal sheet, a third elastic metal sheet and a fourth elastic metal sheet.
The first elastic metal sheet and the second elastic metal sheet are arranged on one side of the probe rod, and the third elastic metal sheet and the fourth elastic metal sheet are arranged on the other side of the probe rod; the first elastic metal sheet is connected with the third elastic metal sheet through a metal lead; the second elastic metal sheet and the fourth elastic metal sheet are respectively connected with two ends of a multimeter on-off test buzzing gear through metal leads.
The probe rod is made of insulating materials.
The probe rod is of a cuboid hollow structure, and the length and width of the cross section are determined according to the size of a terminal row wiring port. The terminal block terminal ports are typically 3mm by 4mm in size.
The four elastic metal sheets are made of the same material.
The four elastic metal sheets are made of one of copper, aluminum, silver and iron.
The length and width dimensions of the four resilient metal sheets depend on the size of the terminal block port. The terminal block port size is typically 2mm by 1 mm.
And the second elastic metal sheet and the fourth elastic metal sheet are respectively connected with a metal lead led out from the hollow part of the probe rod and a multimeter on-off test buzzing gear.
The utility model discloses the beneficial effect who gains does:
under the condition that the worker is difficult to observe by naked eyes and judges that the internal structure state of the wiring terminal easily causes wrong termination, the terminal can quickly and effectively help the worker to detect the internal structure state of the terminal. The maintenance efficiency of workers is effectively improved, and meanwhile, the error installation rate is reduced. The safety and stability of the nuclear power unit are guaranteed, and the safety, reliability and economy of the nuclear power unit are improved.
Drawings
FIG. 1 is a schematic view of a fully loosened state of a hold-down screw;
FIG. 2 is a schematic view of a state in which a hold-down screw is pressed down to be correctly installed;
FIG. 3 is a schematic view of a compression screw in a compression error mounting state;
fig. 4 is a schematic structural diagram of a device for detecting the internal state of the connection terminal.
Wherein: 1 is a probe rod; 2 is a first elastic metal sheet; 3 is a second elastic metal sheet; 4 is a third elastic metal sheet; and 5 is a No. four elastic metal sheet.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 4, the utility model provides a device for detecting the internal state of a wiring terminal, which comprises a probe rod 1, four elastic metal sheets, a metal wire and a universal meter; wherein, the four elastic metal sheets are composed of a first elastic metal sheet 2, a second elastic metal sheet 3, a third elastic metal sheet 4 and a fourth elastic metal sheet 5.
The first elastic metal sheet 2 and the second elastic metal sheet 3 are arranged on one side of the probe rod, and the third elastic metal sheet 4 and the fourth elastic metal sheet 5 are arranged on the other side of the probe rod; the first elastic metal sheet 2 and the third elastic metal sheet 4 are connected through a metal lead; the second elastic metal sheet 3 and the fourth elastic metal sheet 5 are respectively connected with two ends of a multimeter on-off test buzzing gear through metal leads.
The probe rod is made of insulating materials.
The probe rod is of a cuboid hollow structure, and the length and width of the cross section are determined according to the size of a terminal row wiring port. The terminal block terminal ports are typically 3mm by 4mm in size.
The four elastic metal sheets are made of the same material.
The four elastic metal sheets are made of one of copper, aluminum, silver and iron.
The length and width dimensions of the four resilient metal sheets depend on the size of the terminal block port. The terminal block port size is typically 2mm by 1 mm.
The second elastic metal sheet 3 and the fourth elastic metal sheet 5 are respectively connected with a metal lead led out from the hollow part of the probe rod 1 and a multimeter on-off test buzzing gear.
The utility model provides a device application method of detection binding post internal state as follows:
the probe rod is inserted into the terminal row to be detected, when the inserting position is between the movable metal gasket and the compression nut gasket, the first elastic metal sheet 2 and the second elastic metal sheet 3 are connected through the terminal movable metal gasket, the third elastic metal sheet 4 and the fourth elastic metal sheet 5 are connected through the terminal row compression nut side metal sheets, the universal meter buzzing gear measures the whole loop to be connected, and buzzing sound is generated.
And secondly, when the inserting position is between the movable metal gasket and the plastic shell, the first elastic metal sheet 2 and the second elastic metal sheet 3 cannot be connected and conducted by the plastic shell of the terminal, so that a loop measured by the universal meter cannot be closed, and no buzzing sound is generated.
The utility model discloses the beneficial effect who gains does:
under the condition that the worker is difficult to observe by naked eyes and judges that the internal structure state of the wiring terminal easily causes wrong termination, the terminal can quickly and effectively help the worker to detect the internal structure state of the terminal. The maintenance efficiency of workers is effectively improved, and meanwhile, the error installation rate is reduced. The safety and stability of the nuclear power unit are guaranteed, and the safety, reliability and economy of the nuclear power unit are improved.
Claims (7)
1. The utility model provides a detect device of binding post internal state which characterized in that: the probe comprises a probe rod (1), four elastic metal sheets, a metal wire and a universal meter; wherein the four elastic metal sheets consist of a first elastic metal sheet (2), a second elastic metal sheet (3), a third elastic metal sheet (4) and a fourth elastic metal sheet (5); the first elastic metal sheet (2) and the second elastic metal sheet (3) are arranged on one side of the probe rod (1), and the third elastic metal sheet (4) and the fourth elastic metal sheet (5) are arranged on the other side of the probe rod (1); the first elastic metal sheet (2) is connected with the third elastic metal sheet (4) through a metal lead; the second elastic metal sheet (3) and the fourth elastic metal sheet (5) are respectively connected with two ends of a multimeter on-off test buzzing gear through metal leads.
2. The apparatus for detecting an internal state of a connection terminal according to claim 1, wherein: the probe rod (1) is made of an insulating material.
3. The apparatus for detecting an internal state of a connection terminal according to claim 2, wherein: the probe rod (1) is of a cuboid hollow structure, and the size of the length and the width of the cross section is determined according to the size of a terminal row wiring port.
4. The apparatus for detecting an internal state of a connection terminal according to claim 1, wherein: the four elastic metal sheets are made of the same material.
5. The apparatus for detecting an internal state of a connection terminal according to claim 4, wherein: the four elastic metal sheets are made of one of copper, aluminum, silver and iron.
6. The apparatus for detecting an internal state of a connection terminal according to claim 1 or 5, wherein: the length and width of the four elastic metal sheets are determined according to the size of the terminal row port.
7. A device for detecting an internal state of a connection terminal according to claim 3, wherein: and the second elastic metal sheet (3) and the fourth elastic metal sheet (5) are respectively connected with a metal lead led out from the hollow part of the probe rod (1) and a multimeter on-off test buzzing gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921464594.6U CN211348598U (en) | 2019-09-05 | 2019-09-05 | Device for detecting internal state of wiring terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921464594.6U CN211348598U (en) | 2019-09-05 | 2019-09-05 | Device for detecting internal state of wiring terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211348598U true CN211348598U (en) | 2020-08-25 |
Family
ID=72100156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921464594.6U Active CN211348598U (en) | 2019-09-05 | 2019-09-05 | Device for detecting internal state of wiring terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211348598U (en) |
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2019
- 2019-09-05 CN CN201921464594.6U patent/CN211348598U/en active Active
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