CN210347698U - Three-phase alternating current ammeter changer - Google Patents
Three-phase alternating current ammeter changer Download PDFInfo
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- CN210347698U CN210347698U CN201920783808.XU CN201920783808U CN210347698U CN 210347698 U CN210347698 U CN 210347698U CN 201920783808 U CN201920783808 U CN 201920783808U CN 210347698 U CN210347698 U CN 210347698U
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- metal contact
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Abstract
The utility model discloses a three-phase alternating current ammeter changer relates to power equipment technical field, this three-phase alternating current ammeter changer, including the changer casing, one side of changer casing is provided with the inlet wire and connects, the inlet wire connects and keeps away from changer casing one side and be provided with the protection piece, the inside of protection piece is provided with the insulating piece and fills up the pad, the inside of insulating piece and sealed pad is provided with the connecting wire. This three-phase alternating current ammeter changer, when using, insert the inside of changer casing with the terminal through the service connector, the cooperation through screw thread and insulating washer seals the terminal in the inside of changer casing, simultaneously under the promotion of terminal, the fixture block of metal contact piece both sides moves along the spout, make two reference column card on metal contact piece surface go into inside the locating hole, the conducting block can block the inside of metal guide slot, wrap up the inside of changer casing completely with the terminal, avoid the changer casing to advance the ash.
Description
Technical Field
The utility model relates to a power equipment technical field specifically is a three-phase alternating current ammeter changer.
Background
In recent years, with the rapid development of computer technology, especially with the current development of faster bus technology, transmitters (or sensors) are required to have good reliability and higher precision, the development of modern industry and the continuous large-scale and complicated automation system make more and more demands on the transmitters, many foreign companies put forward new intelligent transmitters, China also makes efforts to research and develop the intelligent transmitters, which has important theoretical and practical significance, and the current transmitter can directly convert the alternating current or direct current of a main loop to be tested into DC 4-20 mA (DC 1-5V is converted through a 250 omega resistor or DC 2-10V is converted through a 500 omega resistor) constant current loop standard signal which is output according to linear proportion and continuously transmits the standard signal to a receiving device. General changer mostly is metal casing, and dielectric strength is low, and when the manual work was wired, easily the installation insecure caused the wiring badly, consequently needs the improvement.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a to prior art not enough, the utility model provides a three-phase alternating current ammeter changer has solved the manual work and has wired the time-out because the installation is insecure, appears wiring bad problem easily.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a three-phase alternating current ammeter transmitter comprises a transmitter shell, wherein one side of the transmitter shell is provided with an incoming line connector, one side of the incoming line connector, which is far away from the transmitter shell, is provided with a protective piece, the inside of the protective piece is provided with an insulating sheet and a sealing gasket, the inside of the insulating sheet and the sealing gasket is provided with a connecting line, one end of the connecting line is fixedly connected with a binding post, the inside of the transmitter shell is provided with an anti-interference protective plate, one side of the anti-interference protective plate is provided with a wiring groove, the inner wall of the wiring groove is provided with a sliding groove, the inside of the sliding groove is provided with a metal contact sheet, one end of the metal contact sheet, which is far away from the binding post, the middle of two fixed columns is provided with a wiring bayonet, one side of the transmitter shell, which is far away from the incoming line connector, is provided with an outgoing line interface, the surface of the transmitter shell is provided with a dial plate, one side of the bottom of the transmitter shell is fixedly connected with a connecting column, and one side of the connecting column, which is far away from the transmitter shell, is provided with a mounting disc.
Optionally, the transmitter housing is cylindrical, and the transmitter housing is made of a copolymerized propylene material.
Optionally, one side that the changer casing is close to the inlet wire and connects is seted up threaded hole, the surface that the inlet wire connects is provided with screw thread inlet wire and connects and passes through screw thread and changer casing swing joint, the centre that changer casing and inlet wire connect is provided with insulating washer.
Optionally, the two ends of the metal contact piece are fixedly connected with clamping blocks, and the clamping blocks are arranged inside the sliding grooves.
Optionally, the surface of the transmitter close to one side of the metal contact piece is provided with two positioning holes matched with the positioning columns, a metal guide groove is arranged between the two positioning holes, and the conductive block is arranged inside the metal guide groove.
Optionally, the surface of the mounting disc is provided with a plurality of mounting holes, and the mounting holes are uniformly distributed on the surface of the mounting disc in an annular shape.
(III) advantageous effects
The utility model provides a three-phase alternating current ammeter changer possesses following beneficial effect:
(1) when the three-phase alternating current ammeter transmitter is used, the binding post is connected into the transmitter shell through the wire inlet connector, the binding post is sealed in the transmitter shell through the matching of threads and an insulating washer, meanwhile, under the pushing of the binding post, the clamping blocks on two sides of the metal contact piece move along the sliding grooves, so that two positioning columns on the surface of the metal contact piece are clamped into the positioning holes, the conductive block can be clamped into the metal guide groove, when the transmitter is used, the binding post can be completely wrapped in the transmitter shell, the phenomenon that the transmitter shell is dusted to influence the normal use of equipment is avoided, the wiring mode is safe, equipment can be wired through the pushing of the binding post, manual direct contact wiring is avoided, the transmitter is safer to use, meanwhile, safety accidents caused by the exposure of the binding post can be avoided, and the design is simple and effective, convenient to use, the mode of connection is safer, the staff's of being convenient for use.
(2) The three-phase alternating current ammeter transmitter can effectively limit the motion range of a metal contact piece by arranging the sliding groove and the clamping block and matching the clamping block and the sliding groove, can realize better butt joint by the positioning column on the surface of the metal contact piece, ensures that the conducting block can be clamped inside the metal guide groove, can ensure good contact between the conducting block and the transmitter by the design, prevents poor contact between the conducting block and the transmitter, can effectively isolate external magnetic field interference by arranging the anti-interference protection plate, prevents a circuit inside the transmitter from being polluted by particle dust, ensures more stable working process of the transmitter, ensures normal output of the circuit, can quickly position, avoids the phenomenon of good contact caused by infirm installation and can effectively isolate external interference, the stability of control is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional structural view of a transmitter housing of the present invention;
fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;
fig. 4 is a schematic structural view of the metal contact piece of the present invention.
In the figure: 1-transmitter housing, 2-incoming connector, 3-protective piece, 4-insulating piece, 5-sealing pad, 6-connecting wire, 7-connecting post, 8-protective plate, 9-connecting groove, 10-sliding groove, 11-metal contact piece, 12-positioning post, 13-conducting block, 14-transmitter, 15-fixing post, 16-connecting bayonet, 17-outgoing interface, 18-dial plate, 19-connecting post and 20-mounting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, the present invention provides a technical solution: a three-phase alternating current ammeter transmitter comprises a transmitter shell, wherein one side of the transmitter shell 1 is provided with a wire inlet joint 2, a terminal 7 is connected into the inside of the transmitter shell 1 through the wire inlet joint 2, the terminal 7 pushes a metal contact sheet 11 under the action of a thread, clamping blocks on two sides of the metal contact sheet 11 move along a sliding groove 12, two positioning columns 10 on the surface of the metal contact sheet 11 are clamped into positioning holes, the terminal 7 does not push the metal contact sheet 11 to move any more through the matching of the positioning columns 12 and the positioning holes, meanwhile, a feedback is given to an operator to ensure that the metal contact sheet is installed in place, a conductive block 13 can be clamped into the inside of a metal guide groove for wiring, the transmitter shell 1 is sealed through the matching of an insulating gasket to avoid the entering of dust, one side, the wire inlet joint 2, which is far away from the transmitter shell 11, a connecting wire 6 is arranged inside the insulating sheet 4 and the sealing gasket 5, one end of the connecting wire 6 is fixedly connected with a binding post 7, an anti-interference protective plate 8 is arranged inside the transmitter shell 1, one side of the anti-interference protective plate 8 is provided with a wiring groove 9, the inner wall of the wiring groove 9 is provided with a sliding groove 10, the inside of the sliding groove 10 is provided with a metal contact sheet 11, one end of the metal contact sheet 11 away from the binding post 7 is provided with two positioning columns 12, the two positioning columns 12 are provided with conductive blocks 13, one side of the conductive blocks 13 is provided with a transmitter 14, one side of the transmitter 14 is fixedly connected with two fixing columns 15, a wiring bayonet 16 is arranged between the two fixing columns 15, one side of the transmitter shell 1 away from the wire inlet connector 2 is provided with a wire outlet, the side of the connection column 19 remote from the transmitter housing 1 is provided with a mounting plate 20.
As an optional technical solution of the utility model:
the transmitter housing 1 is cylindrical, and the transmitter housing 1 is known as copolymerized propylene.
As an optional technical solution of the utility model:
one side of the transmitter shell 1 close to the incoming line connector 2 is provided with a threaded hole, the surface of the incoming line connector 2 is provided with a threaded incoming line connector 22 which is movably connected with the transmitter shell 1 through threads, and an insulating washer is arranged between the transmitter shell 1 and the incoming line connector 21.
As an optional technical solution of the utility model:
the metal contact piece 11 is fixedly connected with a clamping block at two ends, and the clamping block is arranged inside the sliding groove 10.
As an optional technical solution of the utility model:
the surface of transmitter 14 near metal contact piece 11 side is seted up the locating hole with reference column 12 looks adaptation, and the quantity of locating hole is two, and the centre of two locating holes is provided with the metal guide slot, and conducting block 13 sets up the inside at the metal guide slot.
As an optional technical solution of the utility model:
mounting holes are formed in the surface of the mounting disc 20, the number of the mounting holes is multiple, and the mounting holes are annularly and uniformly distributed on the surface of the mounting disc 20.
When using, connect 2 with terminal 7 access to the inside of changer casing 1 through the inlet wire, effect through the screw thread, terminal 7 promotes metal contact piece 11, make the fixture block of metal contact piece 11 both sides move along spout 10, make two reference columns 12 card on metal contact piece 11 surface go into inside the locating hole, cooperation through reference column 12 and locating hole, terminal 7 no longer promotes metal contact piece 11 motion, give a feedback of staff simultaneously, ensure to install and target in place, make conducting block 13 can block to the inside of metal guide slot, carry out the wiring, cooperation through insulating washer simultaneously is sealed with changer casing 1, avoid the entering of dust.
In conclusion, when the three-phase alternating current ammeter transmitter is used, the terminal 7 is connected into the transmitter shell 1 through the wire inlet connector 2, the terminal 7 is sealed in the transmitter shell 1 through the matching of threads and an insulating washer, meanwhile, under the pushing of the terminal 7, the clamping blocks on two sides of the metal contact piece 11 move along the sliding groove 10, two positioning columns 12 on the surface of the metal contact piece 11 are clamped into the positioning holes, the conductive block 13 can be clamped into the metal guide groove, when the transmitter is used, the terminal 7 can be completely wrapped in the transmitter shell 1, the phenomenon that the dust enters the transmitter shell 1 to affect the normal use of equipment is avoided, the wiring mode is safe, equipment can be wired through the pushing of the terminal 7, the manual direct contact wiring is avoided, the use is safer, and meanwhile, the safety accident caused by the exposure of the wiring head can be avoided, the design is simple and effective, the use is convenient, the wiring mode is safer, the use of workers is convenient, the moving range of the metal contact piece 11 can be effectively limited by arranging the chute 10 and the clamping block and matching the clamping block and the chute 10, meanwhile, better butt joint can be realized by the positioning column 12 on the surface of the metal contact piece 11, the conductive block 13 can be clamped inside the metal guide groove, the design can ensure good contact between the conductive block 13 and the transmitter 14, the conductive block 13 and the transmitter 14 are prevented from poor contact, the anti-interference protection plate 8 is arranged, the anti-interference protection plate 8 can effectively isolate external magnetic field interference, the circuit inside the transmitter 14 is prevented from being polluted by particle dust, the working process of the transmitter 14 is more stable, the normal output of the circuit is ensured, the design can quickly position, and when manual installation is avoided, because the phenomenon of good contact appears in the insecure installation, simultaneously can effectual isolated external interference, improve the stability of control.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A three-phase alternating current ammeter changer, includes changer casing (1), its characterized in that:
one side of changer casing (1) is provided with inlet wire joint (2), inlet wire joint (2) are kept away from changer casing (1) one side and are provided with protection piece (3), the inside of protection piece (3) is provided with insulating piece (4) and sealed pad (5), the inside of insulating piece (4) and sealed pad (5) is provided with connecting wire (6), the one end fixedly connected with terminal (7) of connecting wire (6), the inside of changer casing (1) is provided with anti-interference protection shield (8), one side of anti-interference protection shield (8) is provided with wiring groove (9), spout (10) have been seted up to the inner wall of wiring groove (9), the inside of spout (10) is provided with metal contact piece (11), the one end of keeping away from terminal (7) of metal contact piece (11) is provided with two reference columns (12), two reference column (12) are provided with conducting block (13), one side of conducting block (13) is provided with changer (14), two fixed column (15), two of one side fixedly connected with of changer (14) the centre of fixed column (15) is provided with wiring bayonet socket (16), one side that inlet connector (2) were kept away from in changer casing (1) is provided with interface (17) of being qualified for the next round of competitions, the surface of changer casing (1) is provided with dial plate (18), one side fixedly connected with spliced pole (19) of changer casing (1) bottom, one side that changer casing (1) were kept away from in spliced pole (19) is provided with mounting disc (20).
2. A three-phase AC current meter transmitter according to claim 1,
the transmitter shell (1) is cylindrical, and the transmitter shell (1) is made of copolymerized propylene.
3. A three-phase AC current meter transmitter according to claim 1,
the transformer substation inlet wire connector is characterized in that one side of the transformer substation shell (1) close to the inlet wire connector (2) is provided with a threaded hole, the surface of the inlet wire connector (2) is provided with threads, the inlet wire connector (2) is movably connected with the transformer substation shell (1) through the threads, and an insulating gasket is arranged between the transformer substation shell (1) and the inlet wire connector (2).
4. A three-phase AC current meter transmitter according to claim 1,
the two ends of the metal contact piece (11) are fixedly connected with clamping blocks, and the clamping blocks are arranged inside the sliding groove (10).
5. A three-phase AC current meter transmitter according to claim 1,
the surface of one side, close to the metal contact piece (11), of the transmitter (14) is provided with two positioning holes matched with the positioning columns (12), a metal guide groove is formed in the middle of each two positioning holes, and the conductive block (13) is arranged inside the metal guide groove.
6. A three-phase AC current meter transmitter according to claim 5,
the surface of the mounting disc (20) is provided with a plurality of mounting holes, and the mounting holes are uniformly distributed on the surface of the mounting disc (20) in an annular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920783808.XU CN210347698U (en) | 2019-05-28 | 2019-05-28 | Three-phase alternating current ammeter changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920783808.XU CN210347698U (en) | 2019-05-28 | 2019-05-28 | Three-phase alternating current ammeter changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210347698U true CN210347698U (en) | 2020-04-17 |
Family
ID=70183500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920783808.XU Active CN210347698U (en) | 2019-05-28 | 2019-05-28 | Three-phase alternating current ammeter changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210347698U (en) |
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2019
- 2019-05-28 CN CN201920783808.XU patent/CN210347698U/en active Active
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