CN217212834U

CN217212834U - Instrument node measures specialized tool

Info

Publication number: CN217212834U
Application number: CN202220628200.1U
Authority: CN
Inventors: 周俊华; 苏磊; 邹高增; 熊惠康
Original assignee: Hubei Qingjiang Hydroelectric Development Co ltd
Current assignee: Hubei Qingjiang Hydroelectric Development Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-08-16
Anticipated expiration: 2032-03-22

Abstract

The utility model provides a specialized tool is measured to instrument node, the same line box of internal circuit when being in ohmic shelves including an internal circuit and universal meter is connected with two at least test lines that are used for butt joint by the instrument node of being surveyed on the line box, installs the bee calling organ that is used for feeding back audible-visual signal according to the measuring result on the line box, and the expansion end of test line is provided with cylindric adapter, but the centre gripping is used for inserting the column connecting piece of radial shrinkage behind the poroid node or the clip form connecting piece of centre gripping column node on the adapter. The utility model provides a big and measurement process inefficiency problem of measurement result error that exists among the prior art, produced the effect that improves experimental measuring precision and efficiency.

Description

Instrument node measures specialized tool

Technical Field

The utility model relates to an experimental measuring device technical field of instrument node especially relates to an instrument node measures specialized tool.

Background

At present, the method mainly adopts the steps that the gear of the universal meter is adjusted to the ohm gear, then two meter pens are contacted with the node of the meter for measurement, and the universal meter sends out buzzing sound when the node is communicated.

The disadvantages of the above-mentioned lifting operation method are:

1. the measurement mode of the universal meter requires that a tester holds two meter pens of the universal meter by both hands all the time, so that the meter pens are always in contact with the nodes, and erroneous judgment caused by poor contact often occurs due to too thin meter pen contact pins;

2. when a tester holds two meter pens of the universal meter, the degree of the instrument panel needs to be observed, corresponding node data needs to be recorded, and the test process is extremely inconvenient.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model provides an instrument node measures specialized tool, its problem of having solved that the measuring result error that exists among the prior art is big and the measurement process inefficiency.

According to the utility model discloses an embodiment, a specialized tool is measured to instrument node, the same line box of internal circuit when being in ohm shelves including an internal circuit and universal meter is connected with two at least test lines that are used for butt joint measured instrument node on the line box, installs the bee calling organ that is used for feeding back audible and visual signal according to measuring result on the line box, and the expansion end of test line is provided with cylindric adapter, but the clip form connecting piece of the column connecting piece or the centre gripping column node of centre gripping radial contraction behind the centre gripping be used for inserting hole form node on the adapter.

Preferably, the connecting piece is a contact pin formed by single plate in a one-way continuous curling manner, a cavity is formed in the center of the contact pin, and the inner diameter of the cavity is smaller than the outer diameter of the adapter.

Preferably, a gap is arranged between two adjacent circles of the contact pin.

Preferably, the diameters of the two ends of the contact pin are different.

Preferably, the connecting piece is the fastener, and the fastener includes connecting plate and splint that torsional spring coupling is passed through at the middle part, and the torsional spring butt is passed through with the one end of connecting plate and splint, and the side fixed mounting that the splint were kept away from to the connecting plate has the internal diameter to be less than the adapter external diameter and is used for the centre gripping arc buckle on the adapter.

Preferably, the connecting plate is provided with a slot, and the buckle is fixedly arranged in the slot.

Preferably, the opposite surfaces of the abutting ends of the connecting plate and the clamping plate are provided with saw teeth.

Preferably, the fixed end of the test wire is wound on a rotating shaft which is arranged in the wire box and can be automatically reset through being driven by a coil spring.

Preferably, be provided with on the lateral wall of line box and accomodate the bag, accomodate the bag except the top all with the outer wall fixed connection of line box, accomodate the bag the top with laminate through the magic subsides between the lateral wall of line box.

Preferably, the adapter is an existing 4mm adapter.

Compared with the prior art, the utility model discloses following beneficial effect has:

according to the different styles of the nodes of the instrument to be measured, different connecting pieces are selected, when the hole-shaped nodes are connected, the columnar connecting pieces are clamped on the columnar adapter, the columnar connecting pieces are inserted into the hole-shaped nodes, the columnar connecting pieces shrink radially, and then the columnar connecting pieces are in full contact with the hole-shaped nodes; when the columnar nodes are connected, the clamp-shaped connecting piece is clamped on the adapter, and then the clamp-shaped connecting piece is clamped on the columnar nodes, so that the connecting piece is fully contacted with the columnar nodes; to sum up, in the form of connecting through adapter, connecting piece and node, liberation testing personnel's both hands in the experimentation, promoted experimental efficiency, and the erroneous judgement that the contact failure produced has been avoided in stable contact, has promoted experimental precision.

Drawings

Fig. 1 is a front view of the structure of the embodiment of the present invention.

Fig. 2 is a top view of the buzzer in the embodiment of the present invention.

Fig. 3 is a front view and a bottom view of the pin according to the embodiment of the present invention.

Fig. 4 is a front view and a bottom view of the wire clamp in the embodiment of the present invention.

In the above drawings: 1. a wire box; 2. a test line; 3. a buzzer; 4. an adapter; 5. wire clamps; 51. a connecting plate; 52. a splint; 53. a torsion spring; 54. buckling; 6. inserting a pin; 7. a storage bag.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1-4, for promoting experimental efficiency and precision, the utility model provides an instrument node measures specialized tool, including the same line box 1 of internal circuit when an internal circuit is in ohm shelves with the universal meter, be connected with two at least test lines 2 that are used for butt joint measured instrument node on the line box 1, install the bee calling organ 3 that is used for feeding back audible and visual signal according to the measuring result on the line box 1, the expansion end of test line 2 is provided with cylindric adapter 4, but the centre gripping is used for inserting the column connecting piece of hole form node back radial shrinkage or the clip form connecting piece of centre gripping column node on the adapter 4.

The method comprises the following steps of configuring a circuit and electrical elements inside a wire box 1 by adopting the existing method for measuring the ohmic gear of the multimeter, connecting two test wires 2 with two instrument nodes for measurement, transmitting an electric signal to a buzzer 3 inside the wire box 1 according to the measurement condition, and sending a photoelectric signal by the buzzer when a channel is formed between the two nodes; aiming at instrument nodes of different forms, different connecting pieces are arranged on the adapter 4, when the instrument nodes are in a hole shape, the columnar connecting pieces are inserted into the node holes by clamping the columnar connecting pieces on the adapter 4, and the columnar connecting pieces generate proper radial shrinkage due to the size of the holes in the inserting process, so that the peripheral surfaces of the columnar connecting pieces are fully contacted with the node holes, stable connection is realized, and a tester can record the circuit condition between test nodes according to the feedback condition of the buzzer 3; when the instrument node is the column, through centre gripping clip form connecting piece on adapter 4, with clip form connecting piece centre gripping on the column node, realize the stable connection of test wire 2 and instrument node.

As shown in fig. 1 and 3, for the stable connection between the practice test line 2 and the instrument node, the connecting piece is a pin 6 formed by single plate piece in a unidirectional and continuous curling manner, a cavity is arranged in the center of the pin 6, and the inner diameter of the cavity is smaller than the outer diameter of the adapter 4. Through inserting adapter 4 in the cavity at 6 middle parts of contact pin, contact pin 6 and 4 abundant contacts of adapter this moment, realize effectual connection, again with contact pin 6 insert in the instrument node of poroid, contact pin 6 is compressed when the insert hole, make contact pin 6 upwards contract, the outer peripheral face of contact pin 6 abundant with downthehole wall contact, realize the stable connection of test wire 2 and instrument node, the experimenter can carry out the record, and then promoted experimental efficiency again when improving experimental precision.

As shown in fig. 1 and 3, in order to improve the shrinkage performance of the pins 6, a gap is provided between two adjacent turns of the pins 6. When the hole inner diameter of the instrument node is smaller, the requirement on the shrinkage performance of the contact pin 6 is high, and the contact pin 6 with enough gaps has strong shrinkage performance, so that a tester can conveniently insert the contact pin 6 into the hole.

To further facilitate insertion of pin 6 into the hole-like meter node, the diameters of the two ends of pin 6 are different, as shown in fig. 1 and 3. Set pin 6 into similar taper shape wholly, in the tester inserted the hole with pin 6's less end, reduced pin 6 extrusion step before inserting, can guarantee simultaneously that pin 6 is abundant with downthehole wall contact, and then promoted the efficiency of pin 6 installation.

As shown in fig. 1 and 4, in order to realize the stable connection of the test wire 2 and the columnar instrument node, the connecting piece is a wire clamp 5, the wire clamp 5 comprises a connecting plate 51 and a clamping plate 52, the middle parts of the connecting plate 51 and the clamping plate 52 are connected through a torsion spring 53, the same ends of the connecting plate 51 and the clamping plate 52 are abutted through the torsion spring 53, and the side surface, far away from the clamping plate 52, of the connecting plate 51 is fixedly provided with an arc-shaped buckle 54, the inner diameter of which is smaller than the outer diameter of the adapter 4 and is used for clamping the adapter 4. The overall wire clamp 5 is similar to the existing wire clamp for the electric meter test, the abutting ends of the connecting plate 51 and the clamping plate 52 are separated by extruding the separated ends of the connecting plate 51 and the clamping plate 52, and the torsion spring 53 drives the connecting plate 51 and the clamping plate 52 to reset so as to clamp the columnar meter node between the connecting plate 51 and the clamping plate 52; in the installation of fastener 5, in the direct buckle 54 of impressing adapter 4 of experimenter, because the internal diameter of buckle 54 is less than the external diameter of adapter 4, and then make buckle 54 and adapter 4 fully contact, accomplish the installation of fastener 5 promptly.

As shown in fig. 1 and 4, in order to improve the stability of the connection between the clip 54 and the connecting plate 51, a slot is provided on the connecting plate 51, and the clip 54 is fixedly disposed in the slot. The connection between the connection plate 51 and the catch 54 is made by conductive paste by providing a groove in the connection plate 51 to be in sufficient contact with the surface of the catch 54.

As the preferred embodiment of the present invention, for further improving the stability of the clamp 5 to the clamping of the columnar instrument node, the opposite surfaces of the abutting ends of the connecting plate 51 and the clamping plate 52 are all provided with the saw teeth. The sawtooth is contacted with the surface of the columnar node, so that the slipping condition is avoided.

As the utility model discloses preferred embodiment accomodates test wire 2 for the experimenter, the stiff end of test wire 2 twine in but set up in line box 1 through the coil spring drive automatic re-setting's pivot. Adopt the winding form of current tape measure, twine and accomodate test wire 2, avoid test wire 2 overlength and tie a knot.

As shown in fig. 1-2, in order to facilitate the experimenter to store the connecting piece, a storage bag 7 is arranged on the side wall of the wire box 1, the storage bag 7 is fixedly connected with the outer wall of the wire box 1 except the top, and the top of the storage bag 7 is attached to the side wall of the wire box 1 through a magic tape. Fastener 5 and contact pin 6 are as two kinds of connecting pieces, need take off from adapter 4 when not using, for making things convenient for the tester to reuse and prevent losing after taking off, put into storage bag 7 with fastener 5 and contact pin 6, can realize storage bag top open-ended through the magic subsides and seal.

As the utility model discloses preferred embodiment, for reducing adapter 4's cost, adapter 4 is current 4mm adapter. The 4mm adapter is used as a common part, so that the replacement in maintenance is convenient and the cost is low.

Claims

1. The utility model provides a special tool is measured to instrument node which characterized in that: the utility model discloses a test line box, including the same line box (1) of internal circuit when an internal circuit is in ohmic shelves with the universal meter, be connected with at least two test lines (2) that are used for the butt joint to be surveyed the instrument node on line box (1), install buzzer (3) that are used for feeding back acoustic-optic signal according to measuring result on line box (1), the expansion end of test line (2) is provided with cylindric adapter (4), but the centre gripping is used for inserting the column connecting piece of hole form node back radial shrinkage or the clip form connecting piece of centre gripping column node on adapter (4).

2. The tool specified in claim 1 for instrument node measurement, wherein: the connecting piece is a contact pin (6) formed by single plate piece in a single-way continuous curling mode, a cavity is formed in the center of the contact pin (6), and the inner diameter of the cavity is smaller than the outer diameter of the adapter (4).

3. The tool specified in claim 2 wherein: and a gap is arranged between two adjacent circles of the contact pin (6).

4. The tool specified in claim 3 wherein: the diameters of two ends of the contact pin (6) are different.

5. The tool specified in claim 1 wherein: the connecting piece is fastener (5), and fastener (5) include connecting plate (51) and splint (52) that the middle part is connected through torsional spring (53), and torsional spring (53) butt is passed through with one end of connecting plate (51) and splint (52), and the side fixed mounting that splint (52) were kept away from in connecting plate (51) has the internal diameter to be less than adapter (4) external diameter and be used for the centre gripping arc buckle (54) on adapter (4).

6. The tool specified in claim 5 wherein: the connecting plate (51) is provided with a groove, and the buckle (54) is fixedly arranged in the groove.

7. The tool specified in claim 5 wherein: the opposite surfaces of the abutting ends of the connecting plate (51) and the clamping plate (52) are provided with saw teeth.

8. The instrument node measurement specific tool of any one of claims 1-7, wherein: the fixed end of the test wire (2) is wound on a rotating shaft which is arranged in the wire box (1) and can be automatically reset through the coil spring.

9. The instrument node measurement specific tool of any one of claims 1-7, wherein: the side wall of the wire box (1) is provided with a storage bag (7), the storage bag (7) is fixedly connected with the outer wall of the wire box (1) except the top, and the top of the storage bag (7) is attached to the side wall of the wire box (1) through a magic tape.

10. The tool specified in claim 1 wherein: the adapter (4) is an existing 4mm adapter.