CN104505680B - Practical multifunctional connection box for field wiring - Google Patents

Abstract

A practical multifunctional connection box for on-site wiring, including a box body, three terminal posts are arranged on the front side of the box body, and the three terminal posts are respectively a live line terminal post, a neutral line terminal post, and a ground wire terminal post, and the box body There are hidden grooves on the left or right side of the body, and there are three-hole plugs and two-hole plugs in the hidden grooves. There is also a slideway on one side of the box body where the hidden grooves are located, and a sliding cover is slidably connected to the slideway. , the sliding cover is located outside the hidden groove; the present invention can realize power wiring and signal wiring that are more suitable for complex field test environments, and can meet the actual needs of almost all field work. The wiring is simple and reliable, saving time and effort, and can greatly improve the Improve work efficiency.

Description

A Practical Multifunctional Connection Box for Field Wiring

technical field

The invention relates to a test device for taking power and measuring signals for high-voltage tests, in particular to a test device for taking power and measuring signals for high-voltage tests of substation system debugging.

Background technique

At present, during the high-voltage field test, the maintenance power box that the staff faces is more complicated. Sometimes the power supply maintenance box has a jack but the power panel carried by the staff has no plug, or the power maintenance box has no jack and only There are plugs on the power panel carried by the staff that need to be removed. Sometimes the plug on the power inspection box has only two holes or only three holes, which does not match the plug on the power panel carried by the staff. The coaxial cable used for field test signal measurement is also more complicated. Sometimes the signal source needs to be wired with alligator clips or fork wires, and the coaxial cable plugs carried by the staff that match the equipment wiring do not match it. , or a mismatch between the coaxial cable plugs. At present, there is no technical means or equipment that is effective for the above-mentioned situation at home and abroad. In many cases, according to the actual needs of on-site measurement, the staff will modify the test wiring joints on site or prepare more materials and equipment as backup. However, the complexity of the on-site situation often leads to time-consuming and labor-intensive modification work, and the effect is not necessarily obvious, which greatly reduces work efficiency.

Contents of the invention

The purpose of the present invention is to provide a practical multifunctional connection box for on-site wiring, which is more suitable for the complex environment of the electrical test site, and can be free from external factors (power connector mismatch or signal connector mismatch) Matching, etc.), can be combined and matched at will according to the actual situation of the field wiring, to meet the needs of various power supply, signal measurement, and strong field practicability.

Technical scheme of the present invention is:

A practical multifunctional connection box for on-site wiring, including a box body, three terminal posts are arranged on the front side of the box body, and the three terminal posts are respectively a live line terminal post, a neutral line terminal post, and a ground wire terminal post, and the box body There are hidden grooves on the left or right side of the body, and there are three-hole plugs and two-hole plugs in the hidden grooves. There is also a slideway on one side of the box body where the hidden grooves are located, and a sliding cover is slidably connected to the slideway. , the sliding cover is located outside the hidden groove; there are four coaxial cable jacks on the right or left side of the box body, which are BNC coaxial cable Q9 male plug, BNC coaxial cable Q9 female plug, BNC coaxial cable Cable L9 male plug, BNC coaxial cable L9 female plug; the live wire, neutral wire, and ground wire of the three-hole plug 6 are respectively connected to the live wire terminal, neutral wire terminal, and ground wire terminal through wires; the two-hole plug's live wire, The neutral line is connected to the live wire terminal and the neutral terminal through wires; the shielding of BNC coaxial cable Q9 male plug, BNC coaxial cable Q9 female plug, BNC coaxial cable L9 male plug, and BNC coaxial cable L9 female plug After the layer is shorted, it is connected to the ground terminal.

There are two hidden grooves, and the two hidden grooves are arranged at intervals; the three-hole plug and the two-hole plug are respectively located in the two hidden grooves.

The number of sliding cover plates is more than one.

Also included are the signal wires, both of which connect to the live wire binding posts.

The invention can realize power supply wiring and signal wiring that are more suitable for complex field test environments, can meet the actual needs of almost all field work, has simple and reliable wiring, saves time and effort, and can greatly improve work efficiency.

Beneficial effects of the present invention:

(1) This device uses a three-hole plug and a two-hole plug to cooperate with the live wire terminal, neutral wire terminal, and ground wire terminal to realize any combination of on-site power supply wiring, basically satisfying all complex and changeable on-site power supply wiring situation requires. The wiring is simple and reliable, convenient and practical.

(2) This device has a slidable sliding cover on the upper side of the groove of the three-hole plug and the two-hole plug. When the staff uses one plug, the sliding cover completely covers the other plug to protect the user and prevent The effect of electric shock.

(3) This device adopts four BNC coaxial cable plugs, which can be combined with live wire terminal and ground wire terminal to realize any combination of on-site test signal wiring, basically meeting the needs of all on-site signal connection situations.

Description of drawings

Fig. 1 is the front view of the present invention (after omitting the sliding cover);

Fig. 2 is a side structural view of the power plug of the present invention;

Fig. 3 is a side structural view of the coaxial cable plug of the present invention;

Fig. 4 is the internal wiring diagram of the present invention;

Labels in the figure: 1. Box body, 2. Fire wire terminal, 3. Neutral terminal, 4. Ground terminal, 5. Hidden groove, 6. Three-hole plug, 7. Two-hole plug, 8. BNC Coaxial cable Q9 male plug, 9. BNC coaxial cable Q9 female plug, 10. BNC coaxial cable L9 male plug, 11. BNC coaxial cable L9 female plug, 12. Live wire, 13. Neutral wire, 14. Ground wire , 15, sliding cover plate, 16, slideway.

detailed description

As shown in Fig. 1, the present invention adopts a modular design and a combination arrangement of multiple types of plugs. The box body 1 is provided with three terminal posts on the upper front side, which are the live wire terminal post 2, the neutral line terminal post 3 and the ground wire terminal post 4 respectively.

As shown in FIG. 2 , there are embedded power plugs and coaxial cable plugs on the left and right sides of the box body 1 .

One side (right side) of the box body 1 is provided with two adjacent hidden grooves 5, and a three-hole plug 6 and a two-hole plug 7 are respectively arranged in the two hidden grooves 5, and the three-hole plug 6 and the The two-hole plugs 7 are all connected to the box body 1 through a U-shaped rotating rod (the U-shaped rotating rod is a prior art).

There is also a slideway 16 on the right side, and the slideway 16 is located at the outer side of the hidden groove 5. A sliding cover plate 15 is installed in the slideway 16, and the sliding cover plate 15 slides along the slideway 16 to cover the hidden groove 5 . Sliding cover plate 15 is a whole piece or two, and sliding cover plate 15 widths are set as required, can block the plug part of three-hole plug 6 and two-hole plug 7 and just can, plays the effect of preventing electric shock.

As shown in Figure 3, there are four coaxial cable jacks on the other side of the box body 1, which are BNC coaxial cable Q9 male plug 8, BNC coaxial cable Q9 female plug 9, BNC coaxial cable L9 male plug 10 , BNC coaxial cable L9 female plug 11.

As shown in Figure 4, the live wire 12, the neutral wire 13, and the ground wire 14 of the three-hole plug 6 are respectively connected to the live wire terminal 2, the neutral wire terminal 3, and the ground wire terminal 4 through electric wires, and the live wire 12 of the two-hole plug 7 , Neutral line 13 is also connected to the live wire terminal 2 and the neutral terminal 3 respectively through the same electric wire. BNC coaxial cable Q9 male plug 8, BNC coaxial cable Q9 female plug 9, BNC coaxial cable L9 male plug 10, BNC coaxial cable L9 female plug 11 short-circuit the shielding layer and connect to the ground terminal 4, The signal wires are all connected to the live wire terminal 2.

Use process:

The box body 1 uses a three-hole plug 6 and a two-hole plug 7 to cooperate with the live wire terminal 2, the neutral wire terminal 3, and the ground wire terminal 4 to realize any combination and matching of on-site power supply wiring, basically satisfying all on-site power supply wiring the needs of the situation. There is a sliding sliding cover plate 15 on the upper side of the three-hole plug 6 and the two-hole plug 7 grooves. When the staff uses the three-hole plug 6, it can slide to the top of the two-hole plug 7 and completely cover the two-hole plug 7. When the personnel use the two-hole plug 7, they can slide to the top of the three-hole plug 6 and completely cover the three-hole plug 6, so as to protect the user and prevent electric shock.

The signal acquisition of the coaxial cable in the field test is more complicated. Sometimes the signal source needs to be connected with alligator clips or fork wires, and the coaxial cable plugs carried by the staff that match the equipment wiring do not match, or the coaxial cable plugs do not match. match the situation. Described practical multi-function connection box 1 connects with FireWire through BNC coaxial cable Q9 male plug 8, BNC coaxial cable Q9 female plug 9, BNC coaxial cable L9 male plug 10, BNC coaxial cable L9 female plug 11 The combination of the column 2 and the ground wire terminal 4 can realize any combination and collocation of field test signal wiring, and basically meet the needs of all field signal connection situations.

The above specific embodiments are used to illustrate the present invention, rather than to limit the present invention. Within the spirit of the present invention and the protection scope of the claims, any modification and change made to the present invention will fall into the protection scope of the present invention.

Claims (4)

1. a kind of practical multi-functional connecting box for field connection it is characterised in that：Including box body, the front side of box body is provided with Three binding posts, three binding posts are respectively firewire binding post, zero line binding post, earth terminals, and the left side of box body is provided with hidden Hide groove, be provided with three hole plugs and holes plug in hiding groove, the side side of hiding groove place box body is additionally provided with slideway, Slide cover is slidably connected, slide cover is located at the outside hiding groove in slideway；The right side of box body is provided with four coaxial electrical Cable jack, is BNC coaxial cable Q9 public plug, BNC coaxial cable Q9 female, BNC coaxial cable L9 public plug, BNC respectively Coaxial cable L9 female；The live wire of three hole plugs, zero line, ground wire respectively with firewire binding post, zero line binding post, ground wire wiring Post passes through electric wire and is connected, and the live wire of holes plug, zero line are to be connected with firewire binding post, zero line binding post respectively by electric wire； BNC coaxial cable Q9 public plug, BNC coaxial cable Q9 female, BNC coaxial cable L9 public plug, BNC coaxial cable L9 female plug It is connected with earth terminal after the screen layer short circuit of head.

2. the practical multi-functional connecting box for field connection according to claim 1 it is characterised in that：Described hiding Groove is two, two hiding groove interval settings；Three hole plugs and holes plug are located in two hiding grooves respectively.

3. the practical multi-functional connecting box for field connection according to claim 1 and 2 it is characterised in that：Slide The quantity of cover plate is more than one.

4. the practical multi-functional connecting box for field connection according to claim 1 and 2 it is characterised in that：Also wrap Include holding wire, holding wire is connected to firewire binding post.