CN211401283U

CN211401283U - Modular measurement monomer and use structure thereof

Info

Publication number: CN211401283U
Application number: CN201922046956.6U
Authority: CN
Inventors: 任国庆; 陈久; 高路
Original assignee: Hangzhou Honyar Electrical Co Ltd
Current assignee: Hangzhou Honyar Electrical Co Ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-09-01
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a monomer is measured to modularization and application structure thereof, including casing, main control chip, conducting strip, current transformer and temperature sensor, main control chip, current transformer and temperature sensor all set up in the casing, and the wire runs through the casing and passes current transformer, and current transformer electricity is connected to main control chip, and the conducting strip part is located outside the casing, and the conducting strip is located the part contact outside the casing to the circuit breaker, and the conducting strip is located the part and the temperature sensor contact of casing, and the temperature sensor electricity is connected to main control chip. The shell is used as a main container, and the measuring elements of the whole measuring unit are integrated into a module as much as possible, so that the modular measuring is formed, and the modular measuring is suitable for circuit breakers with different pole numbers. The current transformer measures the current value of the passing lead and transmits the measured current value to the main control chip. The heat conduction piece transmits the heat of the circuit breaker to the temperature sensor, so that the temperature of the circuit breaker is obtained, and the temperature data are transmitted to the main control chip.

Description

Modular measurement monomer and use structure thereof

[ technical field ] A method for producing a semiconductor device

The utility model relates to a monomer is measured to modularization and use structure thereof belongs to electronic box measurement field.

[ background of the invention ]

The electrical parameter measurement of the existing power distribution loop mainly depends on external measurement equipment, and due to the fact that the equipment is externally connected, improper wiring is easily caused, and unnecessary communication faults are caused.

[ Utility model ] content

The utility model aims to solve the technical problem that overcome prior art not enough and provide a modular measurement monomer from electrified electrical parameter measurement and use structure thereof.

Solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a monomer is measured to modularization, includes the casing, main control chip, the conducting strip, current transformer and temperature sensor, and main control chip, current transformer and temperature sensor all set up in the casing, and the wire runs through the casing and passes current transformer, and current transformer electricity is connected to main control chip, and the conducting strip part is located outside the casing, and the conducting strip is located the part contact outside the casing to the circuit breaker, and the conducting strip is located the part and the temperature sensor contact of casing, and temperature sensor electricity is connected to main control chip.

The utility model has the advantages that:

the shell is used as a main container, and the measuring elements of the whole measuring unit are integrated into a module as much as possible, so that the modular measuring is formed, and the modular measuring is suitable for circuit breakers with different pole numbers. The current transformer measures the current value of the passing lead and transmits the measured current value to the main control chip. The conducting strip transmits the heat of the circuit breaker to the temperature sensor, so that the temperature of the circuit breaker is obtained, and temperature data are transmitted to the main control chip, so that the modular measuring monomer can measure the current of the wire and the temperature of the circuit breaker.

Modularization measurement monomer is still including being located the voltage detection return circuit of casing, and voltage detection return circuit electricity is connected between current transformer and main control chip.

Modularization measurement monomer is still including being located the PCB board of casing, and main control chip installs on the PCB board, and the PCB board location is in the casing.

The monomer is measured to modularization still including being located the winding displacement groove of casing, and the winding displacement groove sets up in the PCB board in the one side of keeping away from main control chip, and the notch of winding displacement groove is located the outer wall of casing.

Be provided with first boss on the shells inner wall, first boss extrusion is in the PCB board one side from the winding displacement groove.

Be provided with the second boss on the shells inner wall, current transformer's lateral wall supports on the second boss.

Be provided with the third boss on the shells inner wall, the extrusion of third boss is on current transformer's end wall.

Inner wall of the shell is provided with the tubular column, and the wire alternates in the tubular column, tubular column and the coaxial setting of current transformer.

The utility model provides a structure of using of modularization measurement monomer, includes modularization measurement monomer and circuit breaker, and the modularization is measured the monomer and is installed to the circuit breaker on, and the wire passes casing to the circuit breaker in, and the part that the conducting strip is located the casing outside contacts to the circuit breaker.

The modularization is measured monomer quantity and is had a plurality ofly.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

fig. 1 is a schematic perspective view of a modular measuring cell according to embodiment 1 of the present invention;

fig. 2 is a schematic diagram of an explosion structure of a modular measuring cell according to embodiment 1 of the present invention;

fig. 3 is a schematic diagram of an explosion structure of a modular measuring cell according to embodiment 1 of the present invention;

fig. 4 is a schematic view of a three-dimensional structure of a modular measuring unit according to embodiment 2 of the present invention.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the following description, the appearances of the indicating orientation or positional relationship, such as the terms "inner", "outer", "upper", "lower", "left", "right", etc., are only for convenience in describing the embodiments and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Example 1:

referring to fig. 1-3, the present embodiment provides a modular measurement unit, which includes a PCB 7, a wire arrangement groove 8, a housing, a voltage detection circuit, a main control chip 3, a heat conducting strip 4, a current transformer 5, and a temperature sensor 6.

The casing is a rectangle box body, including end box 1 and lid 2, and lid 2 lid closes the opening part at end box 1 to fix through the screw. A wire guide hole is respectively arranged on the bottom wall of the bottom box 1 and the cover body 2, and a wire penetrates through the two wire guide holes to penetrate through the shell. The bottom wall of the bottom box 1 is provided with a pipe column 12, the conducting wire is inserted in the middle of the pipe column 12, the part of the conducting wire in the shell is supported and positioned by the pipe column 12, and the end part of the pipe column 12 is aligned with the conducting wire hole on the cover body 2 along the axial direction of the pipe column 12.

The current transformer 5 is arranged in the shell, and the part of the conducting wire in the shell is coincided with the central axis of the current transformer 5, so that the conducting wire penetrates through the current transformer 5, and the corresponding pipe column 12 and the current transformer 5 are coaxially arranged. The current transformer 5 measures the current value of the wire, and the main control chip 3 is also arranged in the shell and electrically connected with the current transformer 5 so as to receive the current value signal of the wire.

Part of the heat conducting sheet 4 extends out of the shell through the wire hole on the cover body 2, and part of the heat conducting sheet 4 is positioned in the shell. Temperature sensor 6 also sets up in the casing, and the part that conducting strip 4 is located the casing contacts with temperature sensor 6, and the part that conducting strip 4 is located the casing outside then contacts with the inside metal part of circuit breaker to with the heat transfer to temperature sensor 6 of circuit breaker, temperature sensor 6 electricity is connected to main control chip 3, thereby measures the temperature of circuit breaker.

The voltage detection circuit is positioned in the shell, the voltage detection circuit is electrically connected between the current transformer 5 and the main control chip 3, and the voltage detection circuit calculates a voltage value on a wire by means of a current value of the current transformer 5 and transmits the voltage value to the main control chip 3.

Wire arranging groove 8 and PCB board 7 all are located the casing, and main control chip 3 installs the one side at PCB board 7, and wire arranging groove 8 sets up the another side at PCB board 7. The PCB board 7 is positioned in the housing, thereby fixing the position of the main control chip 3 and the bus duct 8 in the housing. The notch of the wire arrangement groove 8 is positioned on the outer wall of the shell, and then the wires are arranged.

Be provided with first boss 9 on the 2 inner walls of lid, the extrusion of first boss 9 is in the one side that PCB board 7 deviates from winding displacement groove 8 to compress tightly PCB board 7 on the diapire of end box 1, in order to accomplish the location of PCB board 7 in the casing.

The bottom wall of the bottom box 1 is provided with a second boss 10, and the whole shell is vertically placed, so that the bottom of the outer wall of the current transformer 5 is supported on the second boss 10 under the action of gravity.

The inner wall of the cover body 2 is further provided with a third boss 11, a wire hole in the cover body 2 is located in the center of the third boss 11, and the third boss 11 is extruded on the end wall of the current transformer 5, so that the current transformer 5 is positioned in the shell.

Example 2:

referring to fig. 4, this embodiment provides a structure for using the modular measuring cell of embodiment 1, including a modular measuring cell a and a circuit breaker 14, where the modular measuring cell a is mounted on the circuit breaker 14, the number of the modular measuring cells a may be multiple, and the number of the modular measuring cells a is specifically determined by the number of poles of the circuit breaker 14.

Wherein the conductor 13 passes through the housing of the modular measuring cell a into the circuit breaker 14, and the part of the heat conducting strip outside the housing contacts the metal part inside the circuit breaker 14 to transfer heat.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. A modular measuring cell, characterized by: including casing, main control chip, conducting strip, current transformer and temperature sensor, main control chip, current transformer and temperature sensor all set up in the casing, and the wire runs through the casing and passes current transformer, and current transformer electricity is connected to main control chip, and the conducting strip part is located outside the casing, and the conducting strip is located the part contact outside the casing to the circuit breaker, and the part that the conducting strip is located the casing contacts with temperature sensor, and temperature sensor electricity is connected to main control chip.

2. The modular measuring cell of claim 1, wherein: the modular measuring monomer further comprises a voltage detection loop positioned in the shell, and the voltage detection loop is electrically connected between the current transformer and the main control chip.

3. The modular measuring cell of claim 1, wherein: the modular measuring monomer further comprises a PCB (printed circuit board) positioned in the shell, the main control chip is installed on the PCB, and the PCB is positioned in the shell.

4. The modular measuring cell of claim 3, wherein: the modular measurement monomer further comprises a wire arranging groove in the shell, the wire arranging groove is formed in the face, away from the main control chip, of the PCB, and a notch of the wire arranging groove is formed in the outer wall of the shell.

5. The modular measuring cell of claim 4, wherein: the PCB is characterized in that a first boss is arranged on the inner wall of the shell, and the first boss is extruded on the surface, back to the wire arrangement groove, of the PCB.

6. The modular measuring cell of claim 1, wherein: and a second boss is arranged on the inner wall of the shell, and the side wall of the current transformer is supported on the second boss.

7. The modular measuring cell of claim 6, wherein: and a third boss is arranged on the inner wall of the shell and extruded on the end wall of the current transformer.

8. The modular measuring cell of claim 1, wherein: the inner wall of the shell is provided with a pipe column, the conducting wire is inserted into the pipe column, and the pipe column and the current transformer are coaxially arranged.

9. A use structure of a modular measuring monomer is characterized in that: comprising a modular measuring cell according to any of claims 1-8 and a circuit breaker, the modular measuring cell being mounted to the circuit breaker, the conductor passing through the housing into the circuit breaker, the part of the thermally conductive sheet outside the housing being in contact with the circuit breaker.

10. Use structure of a modular measuring cell according to claim 9, characterized in that: the number of the modular measuring monomers is multiple.