CN215116479U - Current transformer with fault detection device - Google Patents
Current transformer with fault detection device Download PDFInfo
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- CN215116479U CN215116479U CN202121049018.2U CN202121049018U CN215116479U CN 215116479 U CN215116479 U CN 215116479U CN 202121049018 U CN202121049018 U CN 202121049018U CN 215116479 U CN215116479 U CN 215116479U
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Abstract
The utility model discloses a current transformer with fault detection device, its technical scheme main points are: the transformer comprises a current transformer and a detection device, wherein a buckle is fixedly arranged on the right side of an upper half shell, a clamping hook is fixedly arranged on the right side of a lower half shell, a transformer iron core consists of a first iron core and a second iron core, a secondary winding is fixedly arranged on the second iron core, the first iron core is fixedly arranged in the upper half shell, the second iron core is fixedly arranged in the lower half shell, a fixing device is arranged in front of the upper half shell, two interfaces are arranged on the lower half shell, and two ends of the secondary winding are electrically connected with the detection device through the two interfaces; the utility model provides an induction wire lay, fix problem and the current transformer at current transformer do not possess the detection function, the inconvenient problem of discerning the circuit that breaks down.
Description
Technical Field
The utility model belongs to the technical field of current transformer's technique and specifically relates to a current transformer with fault detection device.
Background
The principle of the current transformer is based on the electromagnetic induction principle, when the current transformer works, a secondary side loop of the current transformer is always closed, so that the impedance of a measuring instrument and a protective loop series coil is very small, and the working state of the current transformer is close to a short circuit. The current transformer converts a large current on the primary side into a small current on the secondary side for use, and the secondary side cannot be opened.
Referring to the prior Chinese patent with publication number CN208521775U, a current transformer is disclosed, which comprises a sealing cover, a box body, two metal convex contacts, screw holes, coil grooves, flat plate grooves, heat dissipation convex contacts, sealing convex contacts, an iron core and coils, wherein the outer side wall of each side of the box body is provided with two metal convex contacts at equal intervals and is divided into four pairs of metal convex contacts, the top of the box body is provided with the flat plate grooves, four corners of each flat plate groove are respectively provided with one screw hole, the bottom of each flat plate groove is provided with the coil groove, the iron core is arranged in the coil groove, the coils are wound on the iron core, two ends of each coil on each side of the iron core are respectively connected with the two metal convex contacts on each side, the coils on each side are provided with different turns according to requirements, the center of the box body is provided with the heat dissipation grooves, the inner walls of the heat dissipation grooves are provided with the heat dissipation convex contacts at equal intervals, the sealing cover is embedded in the flat plate grooves, the sealing convex contacts are embedded in the coil grooves at the same time, and the screws pass through the screw holes to be sealed, the utility model discloses a current transformer can realize multi-end, multiple output, satisfies the needs of the multiple use of a user's instrument.
However, the current transformer described above still has some disadvantages, such as: the general current transformer is a closed integral structure, so that certain difficulty is caused in placing the induction lead, the structure of the current transformer is simple, the induction lead cannot be fixed to the primary side, and certain influence is caused on the use of the current transformer; the traditional current transformer does not have a detection function, and a line with a fault is inconvenient to identify.
SUMMERY OF THE UTILITY MODEL
To the problem mentioned in the background art, the utility model aims at providing a current transformer with fault detection device to the response wire that provides in solving the background art is laid, is fixed and does not possess the detection function at current transformer's problem and current transformer, the inconvenient problem of discerning the circuit that breaks down.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a current transformer with a fault detection device comprises a current transformer and a detection device, wherein the current transformer consists of a shell, a transformer iron core, a secondary winding and a fixing device, the shell is composed of an upper half shell and a lower half shell, the left sides of the upper half shell and the lower half shell are hinged through a hinge, a buckle is fixedly arranged on the right side of the upper half shell, a hook is fixedly arranged on the right side of the lower half shell, the transformer iron core consists of a first iron core and a second iron core, a secondary winding is fixedly arranged on the second iron core, a first iron core is fixedly arranged in the upper half shell, a second iron core is fixedly arranged in the lower half shell, the utility model discloses a secondary winding, including upper half shell, lower half shell, interface and detection device, be provided with fixing device on the preceding of upper half shell, two interfaces have been seted up on the lower half shell, two are passed through at the both ends of secondary winding interface and detection device electric connection.
Furthermore, fixing device comprises first cardboard, second cardboard, fixed bolster, first cardboard with the second cardboard is "L" type, vertical spout and horizontal spout have been seted up on the preceding of upper half shell, sliding block on the first cardboard with vertical spout sliding connection, sliding block on the second cardboard with horizontal spout sliding connection, fixed bolster that is provided with on the draw-in groove on first cardboard, the second cardboard.
Through adopting above-mentioned technical scheme, conveniently fix the electric lead that penetrates, prevent putting the removal.
Furthermore, the detection device is composed of a control unit, a conversion unit and a display unit, wherein the control unit, the conversion unit and the display unit are electrically connected.
By adopting the technical scheme, the voltage of the current transformer is converted into the voltage signal, the signal is conducted into the conversion unit for processing, and finally the signal is displayed on the display unit for displaying.
Furthermore, the control unit is a single chip microcomputer, the display unit is a display screen, and an indicator lamp is fixedly arranged on the display unit.
Through adopting above-mentioned technical scheme, the control unit carries out analysis processes for the singlechip to the voltage, and the pilot lamp person of facilitating the use observes.
Further, the shell of the mutual inductor is made of flame-retardant resin.
By adopting the technical scheme, the flame-retardant resin material has the characteristics of difficult deformation, fire resistance and high temperature resistance.
Further, the transformer iron core is of a rectangular structure and is subjected to annealing treatment.
Through adopting above-mentioned technical scheme, the mutual-inductor iron core is the rectangle structure, can reduce the seam loss for the product uses more stability, and the process annealing of mutual-inductor iron core is durable and be difficult for generating heat.
To sum up, the utility model discloses mainly have following beneficial effect:
1. the utility model discloses a, through current transformer and detection device's connection, converting unit and the control unit carry out analysis processes to voltage, show the behavior at the display element, judge through the registration on the display screen and handle, can monitor current transformer, through the change of the different colours of pilot lamp on the display element, make things convenient for the staff to patrol and examine.
2. The utility model discloses a, the last half shell and the lower half shell hinged joint of current transformer make things convenient for penetrating current transformer of wire, can carry out the closure to first shell and lower half shell fast through drawing knot and pothook, through fixing device, conveniently fix the wire, prevent the influence that the removal of wire used current transformer.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure: 1. a current transformer; 101. a housing; 1011. an upper half shell; 1012. a lower half shell; 102. a transformer core; 1021. a first iron core; 1022. a second iron core; 103. a secondary winding; 104. a fixing device; 1041. a first clamping plate; 1042. a second clamping plate; 1043. a fixing pad; 2. a detection device; 201. a control unit; 202. a conversion unit; 203. a display unit; 3. a longitudinal chute; 4. a transverse chute.
Detailed Description
In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1-2, a current transformer with a fault detection device includes a current transformer 1 and a detection device 2, the current transformer 1 is composed of a housing 101, a transformer core 102, a secondary winding 103 and a fixing device 104, the housing 101 adopts a full-potting process to stabilize the internal structure of the device, the housing 101 is composed of an upper half shell 1011 and a lower half shell 1012, the left sides of the upper half shell 1011 and the lower half shell 1012 are hinged through a hinge, a buckle is fixedly arranged on the right side of the upper half shell 1011, a hook is fixedly arranged on the right side of the lower half shell 1012, the transformer core 102 is composed of a first core 1021 and a second core 1022, the second core 1022 is fixedly provided with the secondary winding 103, the secondary winding 103 is made of an enameled pure copper wire, the first core 1021 is fixedly arranged inside the upper half shell 1011, the second core 1022 is fixedly arranged inside the lower half shell 1022, the fixing device 104 is arranged in front of the upper half shell 1011, two interfaces are formed on the lower half shell 1012, and two ends of the secondary winding 103 are electrically connected to the detection device 2 through the two interfaces.
Referring to fig. 1 and 2, the fixing device 104 is composed of a first clamping plate 1041, a second clamping plate 1042, a fixing pad 1043, the first clamping plate 1041 and the second clamping plate 1042 are in an "L" shape, a longitudinal sliding groove 3 and a transverse sliding groove 4 are formed in the front surface of the upper half shell 1011, a sliding block on the first clamping plate 1041 is connected with the longitudinal sliding groove 3 in a sliding manner, a sliding block on the second clamping plate 1042 is connected with the transverse sliding groove 4 in a sliding manner, the first clamping plate 1041 and the fixing pad 1043 are fixedly arranged on a clamping groove on the second clamping plate 1042, the first clamping plate 1041 and the second clamping plate 1042 are fixed to a wire, a fixing buckle is arranged on the first clamping plate 1041 and the second clamping plate 1042, the first clamping plate 1041 and the second clamping plate 1042 are conveniently located, the penetrating wire is conveniently fixed, and movement is prevented.
Referring to fig. 1, the detection device 2 is composed of a control unit 201, a conversion unit 202, and a display unit 203, the control unit 201, the conversion unit 202, and the display unit 203 are electrically connected, the conversion unit 202 converts the voltage of the current transformer 1 into a voltage signal, and the signal is transmitted to the conversion unit 202 for processing, and finally displayed on the display unit 203 for displaying.
Referring to fig. 1, the control unit 201 is a single chip microcomputer, the display unit 203 is a display screen, and an indicator light is fixedly arranged on the display unit 203 and facilitates observation of a user according to changes of the indicator light.
Referring to fig. 1, a casing 101 of the transformer is made of flame retardant resin, and the flame retardant resin has the characteristics of difficult deformation, fire resistance and high temperature resistance.
Referring to fig. 1, the transformer core 102 has a rectangular structure, which can reduce seam loss, so that the product is more stable in use, and the transformer core 102 is durable and less prone to heat generation after being annealed.
When the utility model is used, through the connection of the current transformer 1 and the detection device 2, the conversion unit and the control unit 201 analyze and process the voltage, display the working condition on the display unit 203, judge and process through the display screen, monitor the current transformer 1, and facilitate the patrol of the staff through the change of different colors of the indicating lamps on the display unit 203; first shell 1011 and lower half shell 1012 hinged joint on current transformer 1 make things convenient for penetrating current transformer 1 of wire, can lock first shell 1011 and lower half shell 1012 fast through drawing to detain and the pothook, through fixing device 104, conveniently fix the wire, prevent the influence of the removal of wire to current transformer 1 use.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A current transformer with a fault detection device comprises a current transformer (1) and a detection device (2), and is characterized in that: current transformer (1) comprises shell (101), transformer core (102), secondary winding (103), fixing device (104), shell (101) comprises first half shell (1011) and lower half shell (1012), first half shell (1011) with hinged joint is carried out through the hinge in the left side of lower half shell (1012), the fixed buckle that is provided with on the right side of first half shell (1011), the fixed pothook that is provided with in right side of lower half shell (1012), transformer core (102) comprises first iron core (1021) and second iron core (1022), fixed secondary winding (103) that is provided with on second iron core (1022), the fixed first iron core (1021) that is provided with in inside of first half shell (1011), the fixed second iron core (1022) that is provided with in inside of lower half shell (1012), be provided with fixing device (104) on the preceding of first half shell (1011), two interfaces are arranged on the lower half shell (1012), and two ends of the secondary winding (103) are electrically connected with the detection device (2) through the two interfaces.
2. A current transformer with fault detection means according to claim 1, characterized in that: fixing device (104) comprises first cardboard (1041), second cardboard (1042), fixed bolster (1043), first cardboard (1041) with second cardboard (1042) are "L" type, vertical spout (3) and horizontal spout (4) have been seted up on the front of upper half shell (1011), sliding block on first cardboard (1041) with vertical spout (3) sliding connection, sliding block on second cardboard (1042) with horizontal spout (4) sliding connection, fixed bolster (1043) that is provided with on the draw-in groove on first cardboard (1041), second cardboard (1042).
3. A current transformer with fault detection means according to claim 1, characterized in that: the detection device (2) is composed of a control unit (201), a conversion unit (202) and a display unit (203), wherein the control unit (201), the conversion unit (202) and the display unit (203) are electrically connected.
4. A current transformer with fault detection means according to claim 3, characterized in that: the control unit (201) is a single chip microcomputer, the display unit (203) is a display screen, and an indicator lamp is fixedly arranged on the display unit (203).
5. A current transformer with fault detection means (2) according to claim 1, characterized in that: the shell (101) of the mutual inductor is made of flame-retardant resin.
6. A current transformer with fault detection means according to claim 1, characterized in that: the transformer iron core (102) is of a rectangular structure, and the transformer iron core (102) is subjected to annealing treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121049018.2U CN215116479U (en) | 2021-05-17 | 2021-05-17 | Current transformer with fault detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121049018.2U CN215116479U (en) | 2021-05-17 | 2021-05-17 | Current transformer with fault detection device |
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| Publication Number | Publication Date |
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| CN215116479U true CN215116479U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121049018.2U Active CN215116479U (en) | 2021-05-17 | 2021-05-17 | Current transformer with fault detection device |
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| CN (1) | CN215116479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114627605A (en) * | 2022-03-22 | 2022-06-14 | 河南浙之锐科技有限公司 | Multifunctional electrical fire detector |
-
2021
- 2021-05-17 CN CN202121049018.2U patent/CN215116479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114627605A (en) * | 2022-03-22 | 2022-06-14 | 河南浙之锐科技有限公司 | Multifunctional electrical fire detector |
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