CN111505535A - Electric construction debugging device - Google Patents

Electric construction debugging device Download PDF

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Publication number
CN111505535A
CN111505535A CN202010326254.8A CN202010326254A CN111505535A CN 111505535 A CN111505535 A CN 111505535A CN 202010326254 A CN202010326254 A CN 202010326254A CN 111505535 A CN111505535 A CN 111505535A
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CN
China
Prior art keywords
circuit
test
meter pen
shell
test meter
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Pending
Application number
CN202010326254.8A
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Chinese (zh)
Inventor
吉冰伟
杨映宇
刘民业
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China MCC20 Group Corp Ltd
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China MCC20 Group Corp Ltd
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Publication date
Application filed by China MCC20 Group Corp Ltd filed Critical China MCC20 Group Corp Ltd
Priority to CN202010326254.8A priority Critical patent/CN111505535A/en
Publication of CN111505535A publication Critical patent/CN111505535A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54Testing for continuity
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/28Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

The invention provides an electrical construction debugging device, which comprises: at least one test device; the test device comprises: the test device comprises a shell, a first test meter pen, a second test meter pen, an electric clamp, a conversion circuit and a fuse arranged in the shell; the first test meter pen and the second test meter pen are both detachably connected to the shell; the electric clamp is detachable from the first test meter pen or the second test meter pen; the conversion circuit includes: the short-circuit branch circuit is connected with the indication branch circuit in parallel; the static contact of the change-over switch is connected with the fuse; the movable contact of the change-over switch is used for selecting one of the short-circuit branch or the indication branch to be connected with the short-circuit branch or the indication branch; the first test meter pen, the fuse, the conversion circuit and the second test meter pen are sequentially connected in series and used for carrying out signal input test on the electrical circuit to be tested; or performing on-off test on the circuit connecting piece. According to the invention, through the arrangement of the switching circuit, the on-off test function of the circuit connecting piece and the signal input test function of the electric loop can be conveniently switched, and the working efficiency is favorably improved.

Description

Electric construction debugging device
Technical Field
The invention relates to the technical field of electrical engineering, in particular to an electrical construction debugging device.
Background
The signal and line testing is an essential important working link in electrical construction debugging, so that the line calibration is carried out by using the working principle of series connection of small lamp battery packs, and then a lead is independently used for dotting an input signal. The existing simple wire correcting device has overlarge volume, heavy weight, difficult replacement of a power supply, easy heating of a tungsten filament indicating lamp and large power consumption; the device has no place to place during field operation, is inconvenient to carry and brings inconvenience to work. When dotting test or simulation forced start equipment is carried out, only one short-circuit wire can be used for carrying out the dotting test or the simulation forced start equipment, and as the common wire has no short-circuit protection function, once a control loop of the short-circuit equipment has a wiring error, the protection tripping of a system power switch is easily caused, the normal operation of a system is influenced, or the regulated equipment is damaged due to short circuit, and the debugging work and the whole progress are seriously influenced.
Disclosure of Invention
In view of this, the invention provides an electrical construction debugging device, and aims to solve the problems of inconvenient operation and low working efficiency of the existing electrical construction debugging device.
The invention provides an electrical construction debugging device, which comprises: at least one test device; the test device includes: the test device comprises a shell, a first test meter pen, a second test meter pen, an electric clamp, a conversion circuit and a fuse arranged in the shell; the first test meter pen and the second test meter pen are detachably connected to the shell; the electric clamp is detachably connected with the first test meter pen or the second test meter pen; the conversion circuit includes: the short-circuit branch circuit is connected with the indication branch circuit in parallel; the static contact of the change-over switch is connected with the fuse; the movable contact of the change-over switch is used for selecting one of the short circuit branch circuit and the indication branch circuit to be connected; the first test meter pen, the fuse, the conversion circuit and the second test meter pen are sequentially connected in series and used for carrying out signal input test on an electrical loop to be tested when the conversion circuit is switched to be connected with the fuse and the short-circuit branch in series; or when the switching circuit is switched to be the fuse and the indicating branch circuit are connected in series, the on-off test is carried out on the circuit connecting piece.
Furthermore, in the electrical construction debugging device, the indication branch is formed by connecting a power supply and an indication lamp in series; wherein, the pilot lamp sets up in one side of shell, the power is placed in the shell is inside.
Furthermore, in the electrical construction debugging device, the indicator light is L ED light.
Further, in the above electrical construction debugging device, the switch is disposed on the surface of the housing and is a two-shift hand-dialing switch.
Further, in the above electrical construction debugging device, the circuit connecting member is a wire or a terminal.
Furthermore, in the above-mentioned electric construction debugging device, the first wire interface and the second wire interface that relative both sides were provided with on the shell.
Furthermore, in the electrical construction debugging device, a pluggable structure is arranged between the first test meter pen and the first wire interface; the second test meter pen and the second wire interface are in a pluggable structure.
Further, in the above-mentioned electric construction debugging device, the shell back is provided with the magnetic part, is used for the absorption of electric construction debugging device is fixed.
Further, in the above electrical construction debugging apparatus, the housing includes: an upper housing and a lower housing;
the upper shell and the lower shell are detachably connected, and at least one of the upper shell and the lower shell is provided with a plurality of connecting lugs with connecting holes.
Further, among the above-mentioned electric construction debugging device, the engaging lug is two, two the engaging lug symmetry sets up go up the casing and/or on the casing down.
According to the electric construction debugging device provided by the invention, the switching circuit is arranged, so that the whole debugging device can be conveniently and quickly switched between the on-off test function of the circuit connecting piece and the signal input test function of the electric loop, and the working efficiency is favorably improved; in addition, the fuse is arranged in the shell of the testing device, so that the unexpected conditions of power supply disconnection, equipment burnout and the like caused by short-circuit faults can be avoided; the test meter pen can be detached, so that the size of the test device is reduced, the weight of the test device is reduced, and the test meter pen is more convenient to carry.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of an electrical construction debugging device provided in an embodiment of the present invention when paired for use;
FIG. 2 is a schematic circuit diagram corresponding to the embodiment of FIG. 1;
fig. 3 is a schematic structural diagram of the electrical construction debugging device provided by the embodiment of the invention when used alone;
fig. 4 is a schematic circuit diagram corresponding to the embodiment of fig. 3.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 and 3, an electrical construction debugging apparatus according to an embodiment of the present invention includes: at least one test device; the test device includes: the test device comprises a shell 1, a first test meter pen 2, a second test meter pen 3, an electric clamp 4, a conversion circuit and a fuse 8 arranged in the shell 1; the first test meter pen 2 and the second test meter pen 3 are both detachably connected to the shell 1; the electric clamp 4 is detachably connected with the first test meter pen 2 or the second test meter pen 3; the conversion circuit includes: the conversion switch 6, a short circuit branch and an indication branch are arranged in parallel; the static contact of the change-over switch 6 is connected with the fuse 8; the movable contact of the change-over switch 6 is used for selecting one of the short circuit branch circuit and the indication branch circuit to be connected; the first test meter pen 2, the fuse 8, the conversion circuit and the second test meter pen 3 are sequentially connected in series and used for performing signal input test on an electrical loop to be tested when the conversion circuit is switched to be connected with the fuse 8 and the short-circuit branch in series; or when the switching circuit is switched to be the fuse 8 and the indicating branch circuit are connected in series, the on-off test is carried out on the circuit connecting piece.
Specifically, the electrical construction debugging device of the embodiment of the invention may include a testing device; it is also possible to include a plurality of test devices, for example arranged in pairs.
The casing 1 of the testing device may be in the shape of a square, a round box, etc., and the size of the casing 1 may be determined according to practical situations so as to be convenient for an operator to carry, for example, the casing 1 may be a rectangular box with a length, a width and a height of 63 × 51 × 22 mm. In order to facilitate the replacement of the components inside the housing 1, the housing 1 may be of a detachable construction. For example, the housing 1 includes: an upper case 10 and a lower case; the upper shell 10 and the lower shell are detachably connected, and at least one of the upper shell and the lower shell is provided with a plurality of connecting lugs 13 with connecting holes. The upper case 10 is provided with a connecting lug 13 or the lower case is provided with a connecting lug 13, or the upper case 10 and the lower case can be provided with a connecting lug 13.
The number of the connecting lugs 13 can be determined according to actual conditions, for example, the number of the connecting lugs 13 is two, the two connecting lugs 13 are symmetrically arranged on the upper shell 10 and/or the lower shell, and when the testing device is used, the testing device can be fixed on clothes of an operator through the connecting holes in the connecting lugs 13, so that the safe fixation of the testing device is ensured.
In this embodiment, preferably, a magnetic member 7 is disposed on a back surface of the housing 1, and is used for adsorption and fixation of the electrical construction debugging apparatus. Namely: the testing device can be directly adsorbed on the iron cabinet or the field device shell 1 during normal work, so that the inconvenience of always occupying one hand can be avoided, and convenience is brought to other operations.
The housing 1 is provided with a first wire interface 11 and a second wire interface 12 on opposite sides. Preferably, the first wire interface 11 and the second wire interface 12 may be located at two diagonal corners of the housing 1.
The first test meter pen 2 and the first wire interface 11 are in a pluggable structure; the second test meter pen 3 and the second wire interface 12 are in a pluggable structure. The pluggable structure ensures that the positive electrode and the negative electrode are not fixed in pairs any more and can be replaced randomly to form a pair. The first test meter pen 2 and the second test meter pen 3 can be detached and can be independently stored, and the size of the test device is favorably reduced.
The electric clamp 4 can be an alligator clamp, can be only connected with the first test meter pen 2 or the second test meter pen 3, and can be detached when not needed, so that the operation of the testing device is more flexible and convenient.
Fuse 8 can be fixed inside shell 1 through the base, for example can adopt 1A's fuse 8, and when actual work, owing to there is fuse 8's protection, can reduce the probability that circuit connection spare that awaits measuring takes place to damage or electric circuit system breaks down.
The first test meter pen 2, the fuse 8, the conversion circuit and the second test meter pen 3 are sequentially connected in series, and signal input test is carried out on an electric loop to be tested according to switching of the switching circuit; or performing on-off test on the circuit connecting piece.
The change-over switch 6 of the change-over circuit is arranged on the surface of the shell 1, and is a two-gear hand-dialing change-over switch 6, so that different functions of the testing device can be freely switched, and the inconvenience of changing the testing device back and forth during function change is eliminated.
In an embodiment of the present invention, referring to fig. 1 and 2, the fuse 8 is connected in series with the indicating branch, and the circuit connecting element can be tested for on-off. Wherein:
the circuit connection may be a wire or a terminal.
The indicating branch is formed by connecting a power supply and an indicating lamp 5 in series; the indicator light 5 is arranged on one side of the shell 1, and the power supply is arranged inside the shell 1. The power supply is detachably arranged in the shell 1 through a base, and the power supply can be a 12V battery. The indicator lamp 5 may be detachably provided at a first side (upper side in fig. 1) of the housing 1 through a base.
In addition, because the fuse 8 is arranged in the shell 1, if the first test meter pen 2 or the second test meter pen 3 which is used as a test end is inserted into a live line, the damage of the indicator lamp 5 cannot be caused, and the cost is saved and the replacement time is shortened.
When carrying out the break-make test to circuit connection spare with electric construction debugging device, need adopt two testing arrangement to establish ties and form the test circuit, promptly: the two testing devices are connected in series through an external circuit connecting piece to be tested, the on-off of the circuit connecting piece is judged through whether the indicating lamps 5 of the indicating branches in the two testing devices are all lightened, and if the two indicating lamps 5 are all lightened, the circuit connecting piece to be tested is judged to be in a passage state; if any one of the two indicator lights 5 is not lighted, the circuit connecting piece to be tested is judged to be in an open circuit state. This embodiment is illustrated below:
(1) if when carrying out the short distance test, the break-make of detectable short distance wire or binding post, can dial change over switch 6 to first side, be connected to the input and the output of the circuit connecting piece that awaits measuring with first test pen-shape metre 2 and second test pen-shape metre 3, for guaranteeing the reliable switch-on of circuit connecting piece, can insert the crocodile clip in the one end of two test pen-shape metres, make two crocodile clip clamp together, in order to guarantee the circuit fully to contact, whether lighted the break-make that judges the circuit connecting piece that awaits measuring through L ED lamp.
(2) If the long-distance test is carried out, the on-off of the long-distance cable can be detected, at the moment, two persons are needed to be matched, one person uses the crocodile clip arranged on the second test meter pen 3 of the test device as a test common end, and the common end is grounded; inserting the first test meter pen 2 serving as a test end into one end of a circuit connecting piece to be tested; the other person installs the crocodile clip on the first test meter pen 2 of the other test device as a common end and grounds the common end; and inserting the second test meter pen 3 serving as a test end into the other end of the to-be-tested circuit connecting piece, butting the common ends of the two test devices, and butting the test ends of the two test devices to form a loop in which the two test devices are connected in series at two ends of a to-be-tested circuit, wherein if the signal indicator lamp 5 is lightened, the verification is successful.
Referring to fig. 3 and 4, in another embodiment of the present invention, the fuse 8 and the short-circuit branch are connected in series, and at this time, a signal input test can be performed on the electrical circuit to be tested.
When the electric construction debugging device is used as a signal input testing device, only one testing device is needed, during use, the crocodile clip at one end of the device is detached, the change-over switch 6 is shifted to the second side, the indication branch circuit is disconnected while the short-circuit branch circuit is connected, the device is converted into a short-circuit wire with a fuse 8 at the moment, a control loop can be started in an analog mode through the short-circuit signal or a digital signal is output to a controller in an analog mode, the dotting signal effect is achieved, once the control loop is short-circuited due to line faults or misoperation and other reasons, the fuse 8 can immediately act to disconnect the wire, the protection system and the equipment are achieved, and then the fuse can be recovered only by replacing the fuse in the fuse 8 from the fuse holder.
It should be noted that the first side and the second side of the change-over switch 6 are two opposite sides, only in order to distinguish two circuit states of the whole testing device after the switch is switched.
The above obviously shows that, by arranging the switching circuit, the electric construction debugging device provided in the embodiment can conveniently and quickly switch between the on-off test function of the circuit connecting piece and the signal input test function of the electric loop, which is beneficial to improving the working efficiency; in addition, the fuse 8 is arranged in the test device shell 1, so that the unexpected situations of power supply disconnection, equipment burnout and the like caused by short-circuit faults can be avoided; the test meter pen can be detached, so that the size of the test device is reduced, the weight of the test device is reduced, and the test meter pen is more convenient to carry.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. An electrical construction debugging apparatus, comprising: at least one test device;
the test device includes: the test device comprises a shell, a first test meter pen, a second test meter pen, an electric clamp, a conversion circuit and a fuse arranged in the shell; wherein,
the first test meter pen and the second test meter pen are detachably connected to the shell; the electric clamp is detachably connected with the first test meter pen or the second test meter pen;
the conversion circuit includes: the short-circuit branch circuit is connected with the indication branch circuit in parallel; the static contact of the change-over switch is connected with the fuse; the movable contact of the change-over switch is used for selecting one of the short circuit branch circuit and the indication branch circuit to be connected;
the first test meter pen, the fuse, the conversion circuit and the second test meter pen are sequentially connected in series and used for carrying out signal input test on an electrical loop to be tested when the conversion circuit is switched to be connected with the fuse and the short-circuit branch in series; or when the switching circuit is switched to be the fuse and the indicating branch circuit are connected in series, the on-off test is carried out on the circuit connecting piece.
2. The electrical construction debugging device of claim 1, wherein the indication branch is formed by connecting a power supply and an indication lamp in series; wherein, the pilot lamp sets up in one side of shell, the power is placed in the shell is inside.
3. The electrical construction commissioning apparatus of claim 2, wherein said indicator light is an L ED light.
4. The electrical construction debugging device of claim 1, wherein the transfer switch is disposed on a surface of the housing and is a two-position hand-operated transfer switch.
5. The electrical construction debugging device of claim 1, wherein said circuit connection is a wire or a terminal.
6. The electrical construction debugging device of claim 1, wherein said housing has a first wire interface and a second wire interface disposed on opposite sides of said housing.
7. The electrical construction debugging device of claim 6, wherein a pluggable structure is arranged between the first test stylus and the first wire interface; the second test meter pen and the second wire interface are in a pluggable structure.
8. The electrical construction debugging device of claim 1, wherein a magnetic member is provided on the back surface of the housing for attracting and fixing the electrical construction debugging device.
9. The electrical construction commissioning device of claim 1, wherein said housing comprises: an upper housing and a lower housing;
the upper shell and the lower shell are detachably connected, and at least one of the upper shell and the lower shell is provided with a plurality of connecting lugs with connecting holes.
10. The electrical construction debugging device of claim 9, wherein said two engaging lugs are symmetrically disposed on said upper housing and/or said lower housing.
CN202010326254.8A 2020-04-23 2020-04-23 Electric construction debugging device Pending CN111505535A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010326254.8A CN111505535A (en) 2020-04-23 2020-04-23 Electric construction debugging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010326254.8A CN111505535A (en) 2020-04-23 2020-04-23 Electric construction debugging device

Publications (1)

Publication Number Publication Date
CN111505535A true CN111505535A (en) 2020-08-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010326254.8A Pending CN111505535A (en) 2020-04-23 2020-04-23 Electric construction debugging device

Country Status (1)

Country Link
CN (1) CN111505535A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112180292A (en) * 2020-09-30 2021-01-05 中国核动力研究设计院 System and method for detecting on-off of cables between nuclear power plant reactor control system cabinets
CN112180293A (en) * 2020-09-30 2021-01-05 中国核动力研究设计院 System and method for detecting on-off of electric circuit of single cabinet of reactor control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112180292A (en) * 2020-09-30 2021-01-05 中国核动力研究设计院 System and method for detecting on-off of cables between nuclear power plant reactor control system cabinets
CN112180293A (en) * 2020-09-30 2021-01-05 中国核动力研究设计院 System and method for detecting on-off of electric circuit of single cabinet of reactor control system

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