CN214312915U - Miniature opening current transformer is with electric wire protection device with temperature measurement function - Google Patents
Miniature opening current transformer is with electric wire protection device with temperature measurement function Download PDFInfo
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- CN214312915U CN214312915U CN202120623481.7U CN202120623481U CN214312915U CN 214312915 U CN214312915 U CN 214312915U CN 202120623481 U CN202120623481 U CN 202120623481U CN 214312915 U CN214312915 U CN 214312915U
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000003063 flame retardant Substances 0.000 claims description 11
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000001012 protector Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 17
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a miniature opening current transformer is with electric wire protection device with temperature measurement function, will use with electric wire protection device and empty division cooperation, open the joint of first shell and second shell, place the electric wire in casing threading opening part, buckle the buckle and the draw-in groove of first shell and second shell, can connect on the electric wire with electric wire protection device, fix on empty division with electric wire protection device, the installation is simple, under the prerequisite that does not need professional maintenance personal to operate, the field work personnel can accomplish the dismouting operation according to the operation explanation by oneself, thereby manpower and material resources's consumption has been reduced; the power line protection device adopts a miniature open current transformer, and has the characteristics of large open space, small occupied volume and no need of power-off installation; therefore, normal electricity utilization of the user is not influenced.
Description
Technical Field
The utility model belongs to with the electric wire protection device field, especially, relate to a miniature opening electric current is electric wire protection device for mutual inductor with temperature measurement function.
Background
The existing power line protection devices mostly adopt traditional closed hall sensors and the like to monitor the current of the power line; and the temperature probe alone was used to acquire the cable temperature. Possess on the market at present with circuit protection function's device, often only be applicable to the block terminal and install before the wiring in advance, perhaps the threading installation after having a power failure, if be applied to it and carry out safety monitoring to existing consumer circuit, then have following problem:
(1) when the closed current sensor is installed, a circuit system needs to be cut off, power failure operation is carried out on a power utilization loop, and normal power utilization of a user is influenced.
(2) The existing open current transformer has overlarge volume and cannot be applied to an installation space with a width space of less than 18 mm.
(3) The Hall sensor has higher manufacturing cost and is difficult to popularize.
(4) The closed current sensor, the open current transformer and the Hall sensor are all required to be independently provided with temperature detectors, and the installation device is complicated.
(5) The existing monitoring device has the problems of time and labor waste and the like in the installation process due to the fact that a plurality of connecting cables are arranged and the installation space is narrow.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a miniature opening current transformer is with electric wire protection device with temperature measurement function, the device have small, business place do not need the power failure operation, characteristics such as construction cycle is short, greatly reduced construction intensity of labour.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a kind of miniature opening current transformer with temperature measurement uses the protective device of the electric wire, including the first outer cover and second outer cover; the groove of the first housing forms a housing threading opening, the groove of the second housing forms a housing threading opening, and a power line passes through the housing threading opening.
The first shell is formed by buckling a first top cover and a first bottom plate to form a closed space; a circuit board, a temperature plate, a wiring terminal, an alarm and the upper part of a mutual inductor are arranged in the closed space.
The circuit board is provided with a controller, and the controller adopts a single chip microcomputer and is respectively connected with the temperature plate, the wiring terminal, the upper part of the mutual inductor and the alarm through the circuit board; the circuit board is used for receiving various temperature information detected by the temperature board and current information of the power circuit detected by the mutual inductor, controlling the alarm to give an alarm through the circuit board, and transmitting the real-time condition of the power circuit to the background server through an external circuit connected with the wiring terminal.
The alarm is provided with an LED light alarm device and a sound alarm device.
The temperature plate adopts a multi-surface printed circuit board, and a second temperature detector is arranged on the contact surface of the temperature plate and the front surface of the first shell; and the contact surface of the front surface of the first shell is provided with a notch, the second temperature detector is fixed through the notch, and the second temperature detector is exposed to detect the ambient temperature.
A first temperature detector is arranged on the contact surface of the temperature plate and the shell threading opening of the first shell; and the first shell is provided with a notch on the contact surface of the shell threading opening, the first temperature detector is fixed through the notch, and the first temperature detector is exposed and directly contacted with the electric circuit to detect the temperature of the electric circuit.
The first temperature detector and the second temperature detector both adopt thermistors.
The wiring terminal is fixed by a notch on the first top cover, and uploads real-time power line information sent by the controller to the background server through connection with the circuit board; the circuit protection device is connected with an external power supply through a wiring terminal, so that the normal operation of the circuit protection device is ensured; the wiring terminal can be selected from various wiring terminals such as a plug-in wiring terminal, a PCB terminal, a spring type wiring terminal and a track type wiring terminal.
The upper part of the mutual inductor adopts an n-type structure, and a coil is arranged on a transverse structure in the middle of the mutual inductor and is used for detecting a current signal of an electric line and transmitting the current signal into a controller through a circuit board; the transverse structure on the upper part of the mutual inductor is arranged above the temperature plate.
The first shell and the second shell are clamped with the structure of the clamping groove through the clamping buckle.
The second shell is formed by buckling a second top cover and a second bottom plate to form a closed space; the lower part of the mutual inductor is arranged in the closed space.
The second shell and the lower part of the mutual inductor are both of a U-shaped structure, and flame-retardant high-temperature-resistant hard sponge is arranged at the threading opening of the shell of the second shell, so that cables with different diameters can be in close contact with the first temperature detector all the time, and the temperature detection function in the circuit protection device is realized.
The flame-retardant high-temperature-resistant hard sponge is made of a flame-retardant or even non-combustible material and can resist the high temperature of more than 120 ℃ for a long time; has certain elasticity and hardness.
A plurality of openings are formed in the contact surface of the first shell and the second shell, so that the upper portion of a mutual inductor in the first shell and the lower portion of the mutual inductor in the second shell can be in direct contact through the openings, and are connected with each other in a clamping mode through clamping grooves and buckles, connection stability is guaranteed, and sustainable output of current signals of the power lines is achieved.
The width of the first shell and the width of the second shell are both smaller than 18mm, the width of the threading opening of the shell body is up to 10mm at the widest, and the first shell and the second shell are suitable for being opened in any space smaller than 63A in a distribution board.
As an embodiment, the utility model discloses a use circuit protection device and empty cooperation of opening to use, open the joint of first shell and second shell, will arrange the casing threading opening part in with the circuit, buckle and the draw-in groove of the first shell of lock and second shell, can connect on the circuit with circuit protection device, fix circuit protection device on empty opening, the installation is simple, under the prerequisite that does not need professional maintainer to operate, the field work personnel can accomplish the dismouting operation according to the operation description by oneself, thereby the consumption of manpower and material resources has been reduced.
The utility model has the advantages that:
(1) the utility model discloses a use with circuit protection device and empty cooperation of opening, the installation is simple, and under the prerequisite that does not need professional maintenance personal to operate, the field work personnel can accomplish the dismouting operation according to the operation description by oneself to manpower and material resources's consumption has been reduced.
(2) The utility model adopts the miniature open current transformer, which has the characteristics of large open space, small occupied volume and no need of power-off installation; the utility model discloses a with circuit protection device and circuit breaker be mutually partd, have that the device is small, be convenient for installation, installation easy operation, characteristics such as consumer need not outage in the work progress, therefore, can not influence the normal power consumption of user.
(3) The utility model discloses combine temperature detector and open-ended mutual inductor, make the utility model discloses a can utilize the circuit board to receive power consumption circuit's temperature signal and current signal simultaneously with circuit protection device, solved with temperature detector install alone, walk the problem of line alone among the power consumption circuit protection device.
(4) The utility model discloses utilize the U type structure of lower part, set up fire-retardant high temperature resistant stereoplasm sponge in the recess, make the cable of different diameters all the time with temperature detector in close contact with, realize the temperature detection function in with circuit protection device, improved the real-time of detecting with circuit protection device.
(5) The utility model discloses set up the opening in a plurality of positions of first shell, make a plurality of temperature detect ware of being connected with the temperature board can detect ambient temperature and use circuit temperature from a plurality of angles, and then assist through the temperature difference and judge the power consumption situation.
Drawings
The accompanying drawings, which form a part of the specification, 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 without unduly limiting the scope of the invention.
Fig. 1 is a front view of a circuit protection device according to an embodiment of the present invention;
FIG. 2 is a bottom view of the upper portion of the circuit protection device according to an embodiment of the present invention;
fig. 3 is a 45 ° side view of the electric circuit protection device according to the embodiment of the present invention;
fig. 4 is a first schematic view of the installation of the circuit protection device according to the embodiment of the present invention;
fig. 5 is a second schematic view of the installation of the circuit protection device according to the embodiment of the present invention;
the device comprises a power line protection device, a power line, a power switch, a power line, a first shell, a first top cover, a first bottom plate, a circuit board, a controller, a second shell, an alarm, a temperature plate, a first temperature detector, a first connecting terminal, a second connecting terminal, a first temperature detector, a second temperature detector, a first connecting terminal, a second connecting terminal, a first alarm, a first temperature detector, a second temperature detector, a first temperature detector, a second connecting terminal, a first transformer upper portion, a second shell, a second temperature detector, a second transformer lower portion, a flame-retardant high-temperature-resistant hard sponge and a second shell, wherein the first temperature detector is arranged on the power line protection device, the power switch, the second bottom plate, the power line, the second temperature detector and the second temperature detector.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
term interpretation section: the terms "mounting", "connecting", "fixing" and the like in the present invention should be understood in a broad sense, for example, they may be fixed, detachable or integrated; the term "connecting" is used herein to refer to a direct connection, an indirect connection through an intermediary, an internal connection between two elements, or an interaction between two elements, and those skilled in the art can understand the specific meaning of the term in the present invention according to specific situations and should not be interpreted as a limitation of the present invention.
The present invention will be described in detail with reference to the following drawings and embodiments, and specifically, the structure is as follows:
the embodiment provides a wire protection device for a micro open current transformer with temperature measurement function, which comprises a first shell 4 and a second shell 12; the groove of the first housing 4 forms a housing threading opening, the groove of the second housing 12 forms a housing threading opening, and the electric circuit 3 passes through the housing threading opening.
The first shell 4 is formed by buckling a first top cover 4-1 and a first bottom plate 4-2 to form a closed space; a circuit board 5, a temperature plate 8, a wiring terminal 10, an alarm 7 and a mutual inductor upper part 11 are arranged in the closed space.
A controller 6 is arranged on the circuit board 5, and the controller 6 adopts a single chip microcomputer and is respectively connected with a temperature plate 8, a wiring terminal 10, an upper part 11 of a mutual inductor and an alarm 7 through the circuit board 5; the circuit board 5 is used for receiving various temperature information detected by the temperature board 8 and current information of the power line 3 detected by the mutual inductor, controlling the alarm 7 to give an alarm through the circuit board 5, and transmitting the real-time condition of the power line 3 to the background server through an external circuit connected with the wiring terminal 10.
The alarm 7 is provided with an LED light alarm device and a sound alarm device.
The temperature plate 8 adopts a multi-surface printed circuit board, and a second temperature detector is arranged on the contact surface of the temperature plate and the front surface of the first shell 4; and the contact surface of the front surface of the first shell 4 is provided with a notch, the second temperature detector is fixed through the notch, and the second temperature detector is exposed to detect the ambient temperature.
A first temperature detector 9 is arranged on the contact surface of the temperature plate and the shell threading opening of the first shell; and, the first shell 4 sets up the opening at the contact surface of casing threading opening part, fixes first temperature probe 9 through the opening to make first temperature probe 9 expose, with electric circuit 3 direct contact, detect with electric circuit 3 temperature.
The first temperature detector 9 and the second temperature detector both adopt thermistors.
The wiring terminal 10 is fixed by a notch on the first top cover 4-1, and uploads the information of the real-time power utilization line 3 sent by the controller 6 to the background server through the connection with the circuit board 5; the circuit protection device 1 is connected with an external power supply through a wiring terminal 10, so that the normal operation of the circuit protection device 1 is ensured; the connecting terminal 10 can be a plug-in type connecting terminal, a PCB terminal, a spring type connecting terminal, a track type connecting terminal and other connecting terminals.
The upper part 11 of the mutual inductor adopts an n-shaped structure, and a coil is arranged on the middle transverse structure of the mutual inductor and is used for detecting a current signal of the power line 3 and transmitting the current signal into the controller 6 through the circuit board 5; the lateral structure of the transformer upper part 11 is arranged above the temperature plate 8.
The first shell 4 and the second shell 12 are clamped with the structure of the clamping groove through a buckle.
The second shell 12 is formed by buckling a second top cover and a second bottom plate to form a closed space; the closed space is provided with a transformer lower part 13.
The second casing 12 and the lower part 13 of the mutual inductor are both of a U-shaped structure, and the threading opening of the casing is provided with flame-retardant high-temperature-resistant hard sponge 14, so that the electric circuits 3 with different diameters can be always in close contact with the first temperature detector 9, and the temperature detection function in the electric circuit protection device 1 is realized.
The flame-retardant high-temperature-resistant hard sponge 14 is made of a flame-retardant or even non-combustible material and can resist the high temperature of more than 120 ℃ for a long time; has certain elasticity and hardness.
A plurality of openings have all been seted up on the contact surface of first shell 4 and second shell 12, make mutual-inductor upper portion 11 in the first shell 4 and mutual-inductor lower part 13 in the second shell 12 can direct contact through opening department to joint mode zonulae occludens through draw-in groove and buckle together, guarantee the stability of connecting, realize with 3 current signal's of circuit sustainable output.
The width of the first shell 4 and the width of the second shell 12 are both smaller than 18mm, the width of the threading opening of the shell body is up to 10mm at the maximum, and the width is suitable for any opening smaller than 63A in the switchboard.
As an embodiment, the utility model discloses a use with the cooperation of power consumption circuit protection device 1 and empty 2 of opening, open the joint of first shell 4 and second shell 12, arrange power consumption circuit 3 in casing threading opening part, buckle and the draw-in groove of the first shell 4 of lock and second shell 12, can connect on power consumption circuit 3 with power consumption circuit protection device 1, fix power consumption circuit protection device 1 on empty 2 of opening, the installation is simple, under the prerequisite that does not need professional maintainer operation, the field work personnel can accomplish the dismouting operation according to the operation description by oneself, thereby the consumption of manpower and material resources has been reduced.
The micro open current transformer is adopted in the embodiment, and has the characteristics of large open space, small occupied volume and no need of power-off installation; the utility model discloses a with circuit protection device and circuit breaker be mutually partd, have that the device is small, be convenient for installation, installation easy operation, characteristics such as consumer need not outage in the work progress, therefore, can not influence the normal power consumption of user.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (10)
1. A kind of miniature opening current transformer with temperature measurement uses the protective device of the electric wire, characterized by that, including the first outer casing and second outer casing; the first shell and the second shell are clamped with the structure of the clamping groove through a buckle; the groove of the first shell forms a shell threading opening, the groove of the second shell forms a shell threading opening, and a power line penetrates through the shell threading opening;
the first shell is formed by buckling a first top cover and a first bottom plate to form a closed space; a circuit board, a temperature plate, a wiring terminal, an alarm and the upper part of a mutual inductor are arranged in the closed space;
the second shell is formed by buckling a second top cover and a second bottom plate to form a closed space; the lower part of the mutual inductor is arranged in the closed space;
a first temperature detector is arranged on the contact surface of the temperature plate and the shell threading opening of the first shell; and the first shell is provided with a notch on the contact surface of the shell threading opening, the first temperature detector is fixed through the notch, and the first temperature detector is exposed and directly contacted with the electric circuit to detect the temperature of the electric circuit.
2. The electric line protection device for the micro open current transformer with the temperature measurement function according to claim 1, wherein a controller is arranged on the circuit board, the controller adopts a single chip microcomputer, and the circuit board is respectively connected with the temperature plate, the wiring terminal, the upper part of the transformer and the alarm; the circuit board is used for receiving various temperature information detected by the temperature board and current information of the power circuit detected by the mutual inductor, controlling the alarm to give an alarm through the circuit board, and transmitting the real-time condition of the power circuit to the background server through an external circuit connected with the wiring terminal.
3. The circuit protection device for the miniature open current transformer with the temperature measurement function as claimed in claim 1, wherein the temperature board is a multi-surface printed circuit board, and a second temperature detector is arranged on the contact surface of the temperature board and the front surface of the first shell; and the contact surface of the front surface of the first shell is provided with a notch, the second temperature detector is fixed through the notch, and the second temperature detector is exposed to detect the ambient temperature.
4. The device for protecting the electric circuit of the micro open-loop current transformer with the temperature measuring function as claimed in claim 3, wherein the first temperature detector and the second temperature detector are both thermistors.
5. The electric line protection device for the micro open-circuit current transformer with the temperature measurement function of claim 1, wherein the wiring terminal is fixed by a notch on the first top cover, and real-time electric line information sent by the controller is uploaded to a background server through connection with a circuit board; and the external power supply is connected through the wiring terminal, so that the normal operation of the circuit protection device is ensured.
6. The protection device for the electric line of the micro open-circuit current transformer with the temperature measurement function as claimed in claim 1, wherein the upper part of the transformer adopts an n-type structure, and a coil is arranged on the middle transverse structure of the transformer and is used for detecting the current signal of the electric line and transmitting the current signal into the controller through a circuit board; the transverse structure on the upper part of the mutual inductor is arranged above the temperature plate.
7. The circuit protector with the temperature measuring function for the miniature open current transformer as claimed in claim 1, wherein the second shell and the lower part of the transformer are both in a U-shaped structure, and a fire-retardant high-temperature-resistant hard sponge is arranged at a threading opening of the shell, so that cables with different diameters can be always in close contact with the first temperature detector, and the temperature detection function in the circuit protector is realized.
8. The circuit protection device for the micro open-circuit current transformer with the temperature measurement function as claimed in claim 7, wherein the flame-retardant high-temperature-resistant hard sponge is made of a flame-retardant material and can endure a high temperature of 120 ℃ or higher for a long time; has certain elasticity and hardness.
9. The electric line protection device for the micro open current transformer with the temperature measurement function according to claim 1, wherein a plurality of notches are formed on the contact surfaces of the first shell and the second shell, so that the upper part of the transformer in the first shell and the lower part of the transformer in the second shell can be directly contacted through the notches and are tightly connected together in a clamping manner of a clamping groove and a clamping buckle, the connection stability is ensured, and the sustainable output of electric line current signals is realized.
10. The device for protecting the electric circuit of the micro-open current transformer with the temperature measuring function according to claim 1, wherein the width of the first shell and the width of the second shell are both less than 18mm, the width of the threading opening of the shell is 10mm at most, and the device is suitable for any opening of a distribution board with the opening size of less than 63A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120623481.7U CN214312915U (en) | 2021-03-26 | 2021-03-26 | Miniature opening current transformer is with electric wire protection device with temperature measurement function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120623481.7U CN214312915U (en) | 2021-03-26 | 2021-03-26 | Miniature opening current transformer is with electric wire protection device with temperature measurement function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214312915U true CN214312915U (en) | 2021-09-28 |
Family
ID=77837426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120623481.7U Active CN214312915U (en) | 2021-03-26 | 2021-03-26 | Miniature opening current transformer is with electric wire protection device with temperature measurement function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214312915U (en) |
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2021
- 2021-03-26 CN CN202120623481.7U patent/CN214312915U/en active Active
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