CN113109679B - Multifunctional insulation detector and insulation detection method of wire core to be detected - Google Patents
Multifunctional insulation detector and insulation detection method of wire core to be detected Download PDFInfo
- Publication number
- CN113109679B CN113109679B CN202110455726.4A CN202110455726A CN113109679B CN 113109679 B CN113109679 B CN 113109679B CN 202110455726 A CN202110455726 A CN 202110455726A CN 113109679 B CN113109679 B CN 113109679B
- Authority
- CN
- China
- Prior art keywords
- switch
- relay
- electrically connected
- wire core
- detected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
Abstract
The invention discloses a multifunctional insulation detector and an insulation detection method of a wire core to be detected. Multi-functional insulating detector includes: the first wiring end is used for connecting the wire core to be detected; a second terminal for grounding; a relay coil having a first end electrically connected to the first terminal and a second end electrically connected to the second terminal; the first end of the first relay normally-closed switch is electrically connected with the first end of the relay coil; the first end of the discharge switch is electrically connected with the second end of the normally closed switch of the first relay, and the second end of the discharge switch is electrically connected with the second terminal; the first end of the resistance testing module is electrically connected with the first end of the discharge switch, and the second end of the resistance testing module is electrically connected with the second terminal; the relay normally-open switch and the alarm module are connected, the first end of the relay normally-open switch is used for being connected with the first end of an external power supply, and the second end of the relay normally-open switch is electrically connected with the first end of the alarm module. The invention can realize the function of integrating the electricity testing, the insulation measurement and the discharging function into a whole.
Description
Technical Field
The embodiment of the invention relates to an insulation detection technology, in particular to a multifunctional insulation detector and an insulation detection method of a wire core to be detected.
Background
In the technical field of modern electric power, for example, in the process of comprehensive automatic transformation of a transformer substation, more secondary control cables are involved, a 1000V megaohm meter is required to measure the mutual insulation resistance between a core to be detected and each core to be detected before the wiring of a screen cabinet of a new installation device, and the resistance values of the insulation resistance values are all required to be larger than 10M omega.
Traditional insulation test at first needs to use the universal meter to test the electricity operation, confirms electroless back, uses the megger to carry out insulation test, and after experimental end, discharges to ground through the short-circuit connection. Because the tools need to be frequently replaced, the leakage is easy to happen carelessly, and even direct current grounding or personal electric shock accidents can happen.
Disclosure of Invention
The invention provides a multifunctional insulation detector and an insulation detection method of a wire core to be detected, which are used for realizing the function of integrating electricity testing, insulation measurement and discharging functions.
In a first aspect, an embodiment of the present invention provides a multifunctional insulation detector, where the multifunctional insulation detector includes:
the first wiring end is used for connecting the wire core to be detected; a second terminal for grounding; a relay coil, a first end of the relay coil being electrically connected to the first terminal, a second end of the relay coil being electrically connected to the second terminal; the first end of the first relay normally-closed switch is electrically connected with the first end of the relay coil, and the switching state of the first relay normally-closed switch is controlled by the relay coil;
A first end of the discharge switch is electrically connected with a second end of the first relay normally-closed switch, and a second end of the discharge switch is electrically connected with the second terminal;
the first end of the resistance testing module is electrically connected with the first end of the discharge switch, the second end of the resistance testing module is electrically connected with the second wiring terminal, and the resistance testing module is used for testing the resistance of the wire core to be tested;
normally open switch of relay and alarm module, the first end that the normally open switch of relay is used for inserting external power source's first end, the normally open switch of relay second end with alarm module's first end electricity is connected, alarm module's second end is used for inserting external power source's second end, the on-off state that the normally open switch of relay receives relay coil control.
Optionally, the method further comprises: and the second end of the resistance testing module is electrically connected with the second wiring end through the first linkage switch, and the first linkage switch is closed when the resistance of the wire core to be tested is tested.
Optionally, the method further comprises: and the second end of the discharge switch is electrically connected with the second wiring terminal through the second linkage switch, the second linkage switch is used for being closed when the wire core to be detected is discharged, and the second linkage switch is linked with the first linkage switch.
Optionally, the method further comprises: and the second end of the relay coil is electrically connected with the second wiring end through the third linkage switch, the third linkage switch is used for being closed when the to-be-detected wire core is tested to be electrified, and the third linkage switch is linked with the first linkage switch.
Optionally, the on state of the first ganged switch is different from the on state of the second ganged switch, and the on state of the second ganged switch is the same as the on state of the third ganged switch.
Optionally, the method further comprises: the first end of the first relay normally closed switch is connected with the first wiring end electrically, and the switching state of the second relay normally closed switch is controlled by the relay coil.
Optionally, the discharge switch is a snap-action delay automatic reset switch.
Optionally, the method further comprises: and the display module is electrically connected with the resistance testing module.
Optionally, the alarm module comprises: at least one of an acoustic alarm module, an optical alarm module and a vibration alarm module.
In a second aspect, an embodiment of the present invention further provides an insulation detection method for a wire core to be detected, where the method is performed by the multifunctional insulation detector in the first aspect, and the method includes:
Connecting the wire core to be detected to the first wiring end;
if the alarm module does not alarm, determining whether the resistance test module tests the resistance of the wire core to be detected;
and if the resistance testing module tests the resistance of the wire core to be detected, closing the discharge switch to discharge the wire core to be detected.
According to the technical scheme of the embodiment of the invention, the adopted multifunctional insulation detector comprises a first wiring end, a second wiring end and a third wiring end, wherein the first wiring end is used for connecting a wire core to be detected; a second terminal for grounding; the first end of the relay coil is electrically connected with the first terminal, and the second end of the relay coil is electrically connected with the second terminal; the first end of the first relay normally closed switch is electrically connected with the first end of the relay coil, and the switching state of the first relay normally closed switch is controlled by the relay coil; the first end of the discharge switch is electrically connected with the second end of the normally closed switch of the first relay, and the second end of the discharge switch is electrically connected with the second terminal; the first end of the resistance testing module is electrically connected with the first end of the discharge switch, the second end of the resistance testing module is electrically connected with the second wiring terminal, and the resistance testing module is used for testing the resistance of the wire core to be tested; normally open switch of relay and alarm module, the first end that the normally open switch of relay is used for inserting external power source's first end, and the second end that the normally open switch of relay is connected with alarm module's first end electricity, and alarm module's second end is used for inserting external power source's second end, and the on-off state that the normally open switch of relay receives relay coil control. The multifunctional insulation detector of this embodiment can realize detecting whether to wait to detect the sinle silk electrified, detecting to waiting to detect the insulation resistance of sinle silk and discharging to waiting to detect the sinle silk, also will test functions integration in an organic whole such as electricity, insulation measurement, discharge, need not to change the instrument and also need not to change the wiring, convenient operation, the reliability is high.
Drawings
Fig. 1 is a schematic circuit structure diagram of a multifunctional insulation detector according to an embodiment of the present invention;
fig. 2 is a schematic circuit structure diagram of another multifunctional insulation detector according to an embodiment of the present invention;
fig. 3 is a schematic circuit structure diagram of another multifunctional insulation detector according to an embodiment of the present invention;
fig. 4 is a schematic circuit structure diagram of another multifunctional insulation detector according to an embodiment of the present invention;
fig. 5 is a flowchart of an insulation detection method for a wire core to be detected according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a schematic circuit structure diagram of a multifunctional insulation detector according to an embodiment of the present invention, and referring to fig. 1, the multifunctional insulation detector includes: the first wiring end L is used for connecting the wire core to be detected; a second terminal E for grounding; a first end of the relay coil ZJ is electrically connected with the first terminal L, and a second end of the relay coil ZJ is electrically connected with the second terminal E; the first end of the first relay normally closed switch ZJ1 is electrically connected with the first end of the relay coil ZJ, and the switching state of the first relay normally closed switch ZJ1 is controlled by the relay coil ZJ; a first end of the discharge switch FD is electrically connected with a second end of the first relay normally-closed switch ZJ1, and a second end of the discharge switch FD is electrically connected with the second terminal E; the first end of the resistance testing module 10 is electrically connected with the first end of the discharge switch FD, the second end of the resistance testing module FD is electrically connected with the second terminal E, and the resistance testing module 10 is used for testing the resistance of the wire core to be tested; normally open switch ZJ3 and alarm module 11 in the relay, the first end that switch ZJ3 was normally opened in the relay is used for inserting external power source's first end, and the second end that switch ZJ3 was normally opened in the relay is connected with alarm module 11's first end electricity, and alarm module 11's second end is used for inserting external power source's second end, and the on-off state that switch ZJ3 was normally opened in the relay receives relay coil ZJ control.
Specifically, the first terminal L and the second terminal E may be terminals; the relay coil ZJ is used for controlling a first relay normally-closed switch ZJ1 and a relay normally-open switch ZJ3, when the relay coil ZJ is excited, namely current flows on the relay coil ZJ, the first relay normally-closed switch ZJ1 is switched to be in an open state from the closed state, and the relay normally-open switch ZJ3 is switched to be in the closed state from the open state; the core to be detected may be electrified before detection, so whether the core to be detected is electrified or not needs to be detected firstly; when a multifunctional insulation detector is used for carrying out insulation detection on a wire core to be detected, the wire core to be detected is connected to a first wiring terminal L, at the moment, whether the wire core to be detected is electrified or not is detected automatically, if the wire core to be detected is electrified, a relay coil ZJ is excited, so that a first relay normally closed switch ZJ1 is disconnected, the electrical connection between a resistance testing module 10 and the wire core to be detected is disconnected, the influence on the resistance testing module caused by the electrification of the wire core to be detected is avoided, meanwhile, a relay normally open switch ZJ3 is changed from an open state to a closed state, two ends of an alarm module 11 are conducted with an external power supply, the alarm module 11 generates an alarm signal, so that a worker is reminded of timely processing the wire core to be detected, if the wire core to be detected is replaced, and the external power supply can be a 220V power supply for example; if wait to detect the sinle silk and not electrified, then the relay coil can not excite the magnetic, also relay normally open switch ZJ3 can not become the closure state, resistance test module 10 is automatic to detecting the resistance of waiting to detect the sinle silk, in order to judge the insulating state who detects the sinle silk, resistance test module 10 can be the resistance tester, specifically can be including resistance and the voltmeter of establishing ties, after having detected resistance, can switch discharge switch FD into the closure state by the open mode, thereby make and wait to detect sinle silk ground connection, treat that the detection sinle silk discharges, prevent to detect in the testing process or other reasons and make and wait to detect the sinle silk and go up electrified and take place danger. Also the multi-functional insulation detector of this embodiment can realize detecting to waiting whether the sinle silk is electrified, detecting to waiting the insulation resistance of detecting the sinle silk and discharging to waiting to detect the sinle silk, also will test functions integration in an organic whole such as electricity, insulation measurement, discharge, need not to change the instrument and also need not to change the wiring, convenient operation, the reliability is high.
According to the technical scheme of the embodiment, the adopted multifunctional insulation detector comprises a first wiring end which is used for connecting a wire core to be detected; a second terminal for grounding; the first end of the relay coil is electrically connected with the first terminal, and the second end of the relay coil is electrically connected with the second terminal; the first end of the first relay normally closed switch is electrically connected with the first end of the relay coil, and the switching state of the first relay normally closed switch is controlled by the relay coil; the first end of the discharge switch is electrically connected with the second end of the normally closed switch of the first relay, and the second end of the discharge switch is electrically connected with the second terminal; the first end of the resistance testing module is electrically connected with the first end of the discharge switch, the second end of the resistance testing module is electrically connected with the second wiring terminal, and the resistance testing module is used for testing the resistance of the wire core to be tested; normally open switch of relay and alarm module, the first end that the normally open switch of relay is used for inserting external power source's first end, and the second end that the normally open switch of relay is connected with alarm module's first end electricity, and alarm module's second end is used for inserting external power source's second end, and the on-off state that the normally open switch of relay receives relay coil control. The multifunctional insulation detector of this embodiment can realize detecting whether to wait to detect the sinle silk electrified, detecting to waiting to detect the insulation resistance of sinle silk and discharging to waiting to detect the sinle silk, also will test functions integration in an organic whole such as electricity, insulation measurement, discharge, need not to change the instrument and also need not to change the wiring, convenient operation, the reliability is high.
Optionally, fig. 2 is a schematic circuit structure diagram of another multifunctional insulation tester provided in an embodiment of the present invention, and referring to fig. 2, the multifunctional insulation tester further includes a first ganged switch S1, the second end of the resistance testing module 10 is electrically connected to the second terminal E through the first ganged switch S1, and the first ganged switch S1 is used to be closed when testing the resistance of the wire core to be tested.
Specifically, whether the first ganged switch S1 is closed or not can be manually controlled, when the resistance measurement of the core to be detected is required, the first ganged switch S1 is closed, and when the resistance measurement of the core to be detected is not required, the first ganged switch S1 is opened, so that the resistance test module is protected to the maximum extent.
Further, with continued reference to fig. 2, the multifunctional insulation detector further includes a second linkage switch S2, a second end of the discharge switch FD is electrically connected to the second terminal E through the second linkage switch S2, the second linkage switch S2 is configured to be closed when the core to be detected is discharged, and the second linkage switch S2 is linked with the first linkage switch S1;
specifically, whether the second linkage switch S2 is closed through manual control and is linked with the first linkage switch S1, that is, when the first linkage switch S1 operates, the second linkage switch S2 also operates, and when a wire core to be detected needs to be discharged, the second linkage switch S2 is closed, and when the wire core to be detected does not need to be discharged, the second linkage switch S2 can be controlled to be in an open state, so that the phenomenon that the wire core to be detected is discharged mistakenly due to malfunction of the discharge switch FD is avoided, that is, the reliability of the operation of the multifunctional insulation detector can be further improved by setting the second linkage switch S2.
Further, with reference to fig. 2, the multifunctional insulation tester further includes a third linking switch S3, the second end of the relay coil ZJ is electrically connected to the second terminal L through the third linking switch S3, the third linking switch S3 is used for being closed when testing whether the wire core to be tested is electrified, and the third linking switch S3 is linked with the first linking switch S1.
Specifically, whether third link switch S3 is closed by manual control, and link with first link switch S1, also when also being the action of first link switch S1, third link switch S3 also acts, when needs examine the sinle silk to detect electricity, closed third link switch S3, and when need not examine the sinle silk to detect electricity, can open third link switch S3, thereby avoid relay coil ZJ to treat the insulation resistance of detecting electric core and produce the influence, also be through setting up third link switch S3, can further improve the reliability of multi-functional insulation detector testing result.
Further, with continued reference to fig. 2, the conductive state of the first linked switch S1 is different from the conductive state of the second linked switch S2, and the conductive state of the second linked switch S2 is the same as the conductive state of the third linked switch S3.
Specifically, as shown in fig. 2, the first, second and third ganged switches S1, S2 and S3 may be controlled by the same button S, i.e., when the button S is pressed, the first, second and third ganged switches S1, S2 and S3 are simultaneously operated, and at any time, the on state of the first ganged switch S1 is different from the on state of the second ganged switch S2, and the on state of the second ganged switch S2 is the same as the on state of the third ganged switch S3; when the button S is not pressed, the second linkage switch S2 and the third linkage switch S3 are in a closed state, the first linkage switch S1 is in an open state, and when the button S is pressed, the second linkage switch S2 and the third linkage switch S3 are in an open state, and the first linkage switch S1 is in a closed state; after the wire core to be detected is connected to the first wiring end L, the button S is in an un-pressed state as a default, the button S does not need to be pressed at the moment, the wire core to be detected can be automatically tested, and after the electricity testing is finished, the button S is pressed to start to measure the resistance of the wire core to be detected; when the resistance test is completed, the button S is pressed again, so that the first gang switch S1 is opened, the second gang switch S2 is closed, and then the discharge switch FD is pressed again to discharge the wire core to be tested. That is, the technical solution of this embodiment can further reduce the operation difficulty of detection.
Optionally, fig. 3 is a schematic circuit structure diagram of another multifunctional insulation detector provided in an embodiment of the present invention, and referring to fig. 3, the multifunctional insulation detector further includes a second relay normally-closed switch ZJ2, a first end of the first relay normally-closed switch ZJ1 is electrically connected to the first terminal L through the second relay normally-closed switch ZJ2, and a switching state of the second relay normally-closed switch ZJ2 is controlled by the relay coil ZJ.
Specifically, first relay normally closed switch ZJ1 and second relay normally closed switch ZJ2 are normally closed switch, and all receive relay coil ZJ's control, promptly when relay coil ZJ excitation back, first relay normally closed switch ZJ1 and second relay normally closed switch ZJ2 become the open mode by the closure state to greatly reduced the emergence of the maloperation condition when adopting a relay normally closed switch, further improved the reliability of multi-functional insulation detector work.
Alternatively, the discharge switch FD is an instantaneous-delay automatic reset switch.
Specifically, after the discharge switch FD is pressed, the instantaneous delay automatic reset switch FD does not need to be further operated, and the discharge switch FD automatically recovers to the initial state (i.e., automatically changes from the closed state to the open state) after a period of time without multiple operations, thereby further simplifying the operation process and improving the safety.
Optionally, fig. 4 is a schematic circuit structure diagram of another multifunctional insulation detector according to an embodiment of the present invention, and referring to fig. 4, the multifunctional insulation detector further includes a display module 12, and the display module 12 is electrically connected to the resistance testing module 10.
Specifically, the display module 12 may be configured to display a test result of the resistance testing module 10, so that an operator can more intuitively obtain an insulation state of the wire core to be tested; the display module 12 may be, for example, a liquid crystal display, and when the resistance testing module is a resistance tester, the display module 12 may be integrated inside the resistance tester.
Optionally, the alarm module 11 comprises: at least one of an acoustic alarm module, an optical alarm module, and a vibration alarm module.
Specifically, the sound alarm module can be a buzzer, for example, and when the relay normally open switch ZJ3 is closed, the buzzer works, so that sound prompt information is sent out to prompt that the wire core to be detected is electrified; the light alarm module can be an indicator light for example, and when the normally open switch ZJ3 of the relay is closed, the indicator light works, so that light prompt information is sent out to prompt that the wire core to be detected is electrified; the vibration alarm module can be a vibrator, for example, when a normally open switch ZJ3 of the relay is closed, the vibrator works to generate vibration, so that the to-be-detected wire core is prompted to be electrified; the sound alarm module, the light alarm module and the vibration alarm module have the advantages of low cost and the like, and the cost of the multifunctional insulation detector is reduced.
Example two
The present invention further provides an insulation detection method for a wire core to be detected, as shown in fig. 5, fig. 5 is a flowchart of an insulation detection method for a wire core to be detected according to an embodiment of the present invention, where the insulation detection method can be executed by the multifunctional insulation detector provided in the first embodiment, and the method includes:
step S21, connecting the wire core to be detected to the first terminal;
step S22, if the alarm module does not alarm, determining whether the resistance test module tests the resistance of the wire core to be detected;
and step S23, if the resistance of the wire core to be detected is tested by the resistance testing module, closing the discharge switch to discharge the wire core to be detected.
Specifically, for the detailed process of the insulation detection method provided in the embodiment of the present invention, reference may be made to the description of the multifunctional insulation detector in the embodiment of the present invention, and details are not repeated herein. The insulation detection method provided by the embodiment of the invention has the advantages of simplicity in operation, high safety and the like.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. The utility model provides a multi-functional insulating detector which characterized in that, multi-functional insulating detector includes:
the first wiring end is used for connecting the wire core to be detected; a second terminal for grounding; a relay coil, a first end of the relay coil being electrically connected to the first terminal, a second end of the relay coil being electrically connected to the second terminal; the first end of the first relay normally-closed switch is electrically connected with the first end of the relay coil, and the switching state of the first relay normally-closed switch is controlled by the relay coil;
a first end of the discharge switch is electrically connected with a second end of the first relay normally-closed switch, and a second end of the discharge switch is electrically connected with the second terminal;
the first end of the resistance testing module is electrically connected with the first end of the discharge switch, the second end of the resistance testing module is electrically connected with the second wiring terminal, and the resistance testing module is used for testing the resistance of the wire core to be tested;
normally open switch of relay and alarm module, the first end that the normally open switch of relay is used for inserting external power source's first end, the normally open switch of relay second end with alarm module's first end electricity is connected, alarm module's second end is used for inserting external power source's second end, the on-off state that the normally open switch of relay receives relay coil control.
2. The multi-functional insulation tester of claim 1, further comprising: and the second end of the resistance testing module is electrically connected with the second wiring end through the first linkage switch, and the first linkage switch is closed when the resistance of the wire core to be tested is tested.
3. The multi-functional insulation tester of claim 2, further comprising: and the second end of the discharge switch is electrically connected with the second wiring terminal through the second linkage switch, the second linkage switch is used for being closed when the wire core to be detected is discharged, and the second linkage switch is linked with the first linkage switch.
4. The multi-functional insulation tester of claim 3, further comprising: and the second end of the relay coil is electrically connected with the second wiring end through the third linkage switch, the third linkage switch is used for being closed when the to-be-detected wire core is tested to be electrified, and the third linkage switch is linked with the first linkage switch.
5. The multifunctional insulation detector according to claim 4, wherein the first ganged switch has a conduction state different from a conduction state of the second ganged switch, and the second ganged switch has a conduction state identical to a conduction state of the third ganged switch.
6. The multi-functional insulation tester of claim 1, further comprising: the second relay normally closed switch, the first end of first relay normally closed switch passes through second relay normally closed switch with first terminal electricity is connected, the on off state of second relay normally closed switch receives relay coil control.
7. The multi-functional insulation tester according to claim 1, wherein the discharge switch is a snap-action time delay automatic reset switch.
8. The multi-functional insulation tester according to claim 1, further comprising: and the display module is electrically connected with the resistance testing module.
9. The multi-functional insulation tester according to claim 1, wherein the alarm module comprises: at least one of an acoustic alarm module, an optical alarm module and a vibration alarm module.
10. A method for insulation testing of a wire core to be tested, carried out by the multifunctional insulation tester of any one of claims 1 to 9, the method comprising:
connecting the wire core to be detected to the first wiring end;
if the alarm module does not alarm, determining whether the resistance test module tests the resistance of the wire core to be detected;
And if the resistance testing module tests the resistance of the wire core to be detected, closing the discharge switch to discharge the wire core to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110455726.4A CN113109679B (en) | 2021-04-26 | 2021-04-26 | Multifunctional insulation detector and insulation detection method of wire core to be detected |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110455726.4A CN113109679B (en) | 2021-04-26 | 2021-04-26 | Multifunctional insulation detector and insulation detection method of wire core to be detected |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113109679A CN113109679A (en) | 2021-07-13 |
| CN113109679B true CN113109679B (en) | 2022-07-29 |
Family
ID=76720160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110455726.4A Active CN113109679B (en) | 2021-04-26 | 2021-04-26 | Multifunctional insulation detector and insulation detection method of wire core to be detected |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113109679B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203012082U (en) * | 2013-01-12 | 2013-06-19 | 天津二十冶建设有限公司 | Insulation detector |
| JP2015141028A (en) * | 2014-01-27 | 2015-08-03 | 矢崎総業株式会社 | Insulation detector |
| CN107064641A (en) * | 2017-06-09 | 2017-08-18 | 伍俊 | High-voltage insulating resistance online monitoring alarm instrument and method of work |
| CN207571235U (en) * | 2017-12-13 | 2018-07-03 | 河南送变电建设有限公司 | A kind of electrification copper core cable detection device |
| CN109031075A (en) * | 2018-09-10 | 2018-12-18 | 广东电网有限责任公司 | A kind of multi-thread core insulation automatic tester and system |
| CN210294453U (en) * | 2019-07-10 | 2020-04-10 | 天津三环乐喜新材料有限公司 | Insulation detection device |
| CN211180007U (en) * | 2019-10-31 | 2020-08-04 | 广东电网有限责任公司 | Detection apparatus capable of setting and automatically judging insulation performance based on MCU control |
| CN211577207U (en) * | 2019-11-26 | 2020-09-25 | 广西电网有限责任公司桂林供电局 | Medium loss and insulation resistance test conversion device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018004470A (en) * | 2016-07-04 | 2018-01-11 | 株式会社デンソーテン | Abnormality detection device and battery pack system |
-
2021
- 2021-04-26 CN CN202110455726.4A patent/CN113109679B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203012082U (en) * | 2013-01-12 | 2013-06-19 | 天津二十冶建设有限公司 | Insulation detector |
| JP2015141028A (en) * | 2014-01-27 | 2015-08-03 | 矢崎総業株式会社 | Insulation detector |
| CN107064641A (en) * | 2017-06-09 | 2017-08-18 | 伍俊 | High-voltage insulating resistance online monitoring alarm instrument and method of work |
| CN207571235U (en) * | 2017-12-13 | 2018-07-03 | 河南送变电建设有限公司 | A kind of electrification copper core cable detection device |
| CN109031075A (en) * | 2018-09-10 | 2018-12-18 | 广东电网有限责任公司 | A kind of multi-thread core insulation automatic tester and system |
| CN210294453U (en) * | 2019-07-10 | 2020-04-10 | 天津三环乐喜新材料有限公司 | Insulation detection device |
| CN211180007U (en) * | 2019-10-31 | 2020-08-04 | 广东电网有限责任公司 | Detection apparatus capable of setting and automatically judging insulation performance based on MCU control |
| CN211577207U (en) * | 2019-11-26 | 2020-09-25 | 广西电网有限责任公司桂林供电局 | Medium loss and insulation resistance test conversion device |
Non-Patent Citations (1)
| Title |
|---|
| 变电所进线单芯35kV交联聚乙烯绝缘电缆护层过电压的计算和保护;王亚兵;《电线电缆》;20040425(第02期);第35-39页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113109679A (en) | 2021-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2889630B1 (en) | Wireless test measurement | |
| US9606185B2 (en) | Intelligent calibration system for backup-power automatic switching device | |
| US7451018B2 (en) | System and apparatus for detecting and monitoring circuit breaker operation | |
| CN102798782B (en) | High-voltage insulation resistance monitoring alarm | |
| CN102981120A (en) | Full-performance detecting system of magnetic latching relay and detecting method thereof | |
| CN102508485A (en) | Signal detection and fault simulation device for semi-physical simulation test | |
| CN209086378U (en) | A kind of device for detection cable insulation ag(e)ing state | |
| CN210129032U (en) | Device for on-line monitoring fault of current transformer | |
| CN113109679B (en) | Multifunctional insulation detector and insulation detection method of wire core to be detected | |
| CN105137258A (en) | Intelligent early-warning control device for high-voltage test grounding | |
| US6765390B2 (en) | Diagnostic wiring verification tester | |
| JP3930711B2 (en) | Phase detector | |
| CN113777452B (en) | DC system grounding test device and method for voltage self-adaptive station | |
| CN114779060A (en) | Anti-tripping loop tester and method | |
| JP4441720B2 (en) | Failure point search device | |
| CN107340469B (en) | GIS combined electrical activity characteristic test instrument and use method | |
| CN101907667A (en) | Performance test-bed of high-voltage equipment box | |
| CN202083766U (en) | High voltage grounding line selection apparatus | |
| CN106153989B (en) | Live line changing device and operation method | |
| CN218629974U (en) | Automatic inspection device for insulation resistance of standby motor | |
| CN216526177U (en) | Low-voltage characteristic tester for high-voltage circuit breaker | |
| CN212872605U (en) | Integrated relay transformer assembly for electric energy meter | |
| CN110988666B (en) | Device for detecting voltage bearing and current bearing of relay contact | |
| CN209417239U (en) | A kind of lv contactor life test control system | |
| CN219392220U (en) | On-off capability test circuit and on-off capability test equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |