CN219891339U - Electrical circuit fault detection device - Google Patents
Electrical circuit fault detection device Download PDFInfo
- Publication number
- CN219891339U CN219891339U CN202321032794.0U CN202321032794U CN219891339U CN 219891339 U CN219891339 U CN 219891339U CN 202321032794 U CN202321032794 U CN 202321032794U CN 219891339 U CN219891339 U CN 219891339U
- Authority
- CN
- China
- Prior art keywords
- detection
- module
- alarm module
- direct current
- current detection
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 130
- 239000000523 sample Substances 0.000 claims abstract description 27
- 238000003745 diagnosis Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011835 investigation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Landscapes
- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model discloses an electric circuit fault detection device, relates to the technical field of electric circuit fault detection, and solves the problems that electricians need to squat to frequently read readings and easily fatigue when carrying out electric circuit fault detection in a narrow space, and the technical scheme is as follows: a housing; the circuit module is fixed in the shell and comprises an alternating current detection module, a direct current detection module and a PLC alarm module, wherein the outputs of the alternating current detection module and the direct current detection module are connected with the power end of the PLC alarm module, and the PLC alarm module is used for alarming when detecting faults; and the detection probe is detachably fixed on the surface of the shell, and the needle head of the detection probe is in a hook shape and is used for clamping a circuit to be detected. When a breakpoint exists in the line to be tested, potential differences are formed at two sides of the breakpoint, and the PLC alarm module inputs voltage and alarms; the detection probe with the hook-shaped needle head is adopted, so that electricians do not need to squat to tightly prop against a circuit to be detected; and the electrical operation detection and the rapid diagnosis of faults are facilitated.
Description
Technical Field
The utility model relates to the technical field of electric line fault detection, in particular to an electric line fault detection device.
Background
Conventional electrical line fault detection requires an electrician to carry a detection instrument to detect a line to be detected, and the specific operation process is as follows: and (3) supporting the detection probe of the detection instrument against the point to be detected, and judging whether the line operates normally or not through the indication of the detection instrument. When the circuit to be measured is in a narrow space, electricians often need to prop the detection probes against the point to be measured in a squatting and lying posture, the problem of reading the indication and diagnosing the circuit is easy to fatigue, and particularly when the measuring circuit is more or soft contact is poor; in addition, people squat and lie prone for a long time, and when standing up, uncomfortable phenomena such as dizziness and the like can be generated due to hypoxia, so that great potential safety hazards exist.
Disclosure of Invention
The utility model aims to solve the technical problems that an electrician is difficult to operate and inconvenient to diagnose when conducting electric line fault investigation in a narrow space, and aims to provide an electric line fault detection device which solves the problems that the electrician is difficult to operate and inconvenient to diagnose when conducting line fault investigation in the narrow space.
The utility model is realized by the following technical scheme:
an electrical line fault detection device comprising:
a housing;
the circuit module is fixed in the shell and comprises an alternating current detection module, a direct current detection module and a PLC alarm module, wherein the outputs of the alternating current detection module and the direct current detection module are connected with the power end of the PLC alarm module, and the PLC alarm module is used for alarming when detecting faults;
and the detection probe is detachably fixed on the surface of the shell, and the needle head of the detection probe is in a hook shape and is used for clamping a circuit to be detected.
By adopting the technical scheme, the detection probe is clamped with the circuit to be detected, the alternating current circuit to be detected is detected by the alternating current detection module, and the direct current circuit to be detected is detected by the direct current detection module; the outputs of the alternating current detection module and the direct current detection module are connected with the PLC alarm module, when the circuit to be detected is normally communicated, a closed loop is formed, and the PLC alarm module does not have input voltage and does not alarm; when a breakpoint exists in the line to be tested, potential differences are formed at two sides of the breakpoint, and the PLC alarm module inputs voltage and alarms; on one hand, the PLC alarm module directly gives an early warning to a fault line, an electrician does not need to frequently read readings to judge faults, and diagnosis is simple; on the other hand, the needle head of the detection probe is in a hook shape, when the detection probe is used in a narrow space, a circuit to be detected can be clamped, an electrician does not need to squat and lie prone to keep a tight state, and the operation is convenient.
Further, the ac detection module includes: the alternating current detection needle seat, the alternating current voltmeter, the selection switch, the first voltage converter and the second voltage converter;
the alternating current detection needle bases are arranged in pairs, a pair of alternating current detection needle bases are connected with an alternating current voltmeter and then are connected with a selection switch, the selection switch is selectively connected with a first voltage converter and a second voltage converter, and the outputs of the first voltage converter and the second voltage converter are connected with the power end of the PLC alarm module.
Further, the direct current detection module includes: a direct current detection needle seat and a direct current voltage source;
the direct current detection needle bases are arranged in pairs, a pair of direct current voltmeters are connected between the direct current detection needle bases, and the output of the direct current detection needle bases is connected with the power end of the PLC alarm module.
Further, the PLC alarm module comprises a light emitting diode, wherein the anode of the light emitting diode is connected with an output pin of the PLC alarm module, and the cathode of the light emitting diode is connected with an input pin of the PLC alarm module.
Further, the selection switch, the ac detection needle holder, the operating portion of the dc detection needle holder, and the display portions of the ac voltmeter and the dc voltmeter penetrate out of the surface of the housing.
Further, the light emitting part of the light emitting diode penetrates out of the surface of the shell.
Further, the first voltage converter is used for converting the 100-240V alternating voltage into 12V direct voltage;
the second voltage converter is used for converting the 15-40V alternating voltage into 12V direct voltage.
Further, the direct current detection needle seat is used for accessing 12V-30V direct current voltage.
Further, the PLC alarm module is relay type output.
Further, the detection probe is detachably connected with the alternating current detection needle seat and the direct current detection needle seat, and the outer surface of the detection probe is wrapped with an insulating rubber piece.
Compared with the prior art, the utility model has the following beneficial effects: on one hand, the PLC alarm module is used for directly carrying out early warning on a fault line, covering fault detection of a direct current line to be detected and an alternating current line to be detected, and an electrician does not need to frequently read readings to judge faults, so that diagnosis is simple; on the other hand, the needle head of the detection probe is in a hook shape, when the detection probe is used in a narrow space, a circuit to be detected can be clamped, an electrician does not need to squat and lie prone to keep a tight state, and the operation is convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
FIG. 1 is a schematic diagram of a circuit module according to an embodiment of the utility model;
FIG. 2 is a schematic view of a housing according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a detection probe according to an embodiment of the present utility model.
In the drawings, the reference numerals and corresponding part names:
1. a selection switch; 2. a light emitting diode; 3. an alternating current voltmeter; 4. an alternating current detection needle seat; 5. a direct current voltmeter; 6. a direct current detection needle seat.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
Embodiment 1 provides an electrical line fault detection device, as shown in fig. 1-2, including: a housing; the circuit module is fixed in the shell and comprises an alternating current detection module, a direct current detection module and a PLC alarm module, wherein the outputs of the alternating current detection module and the direct current detection module are connected with the power end of the PLC alarm module, and the PLC alarm module is used for alarming when detecting faults; and the detection probe is detachably fixed on the surface of the shell, and the needle head of the detection probe is in a hook shape and is used for clamping a circuit to be detected.
Specifically, the working principle of the device of the embodiment is as follows: the detection probe is clamped with the line to be detected, the alternating current detection module is used for detecting the alternating current line to be detected, and the direct current detection module is used for detecting the direct current line to be detected; the outputs of the alternating current detection module and the direct current detection module are connected with the PLC alarm module, when the circuit to be detected is normally communicated, a closed loop is formed, and the PLC alarm module does not have input voltage and does not alarm; when a breakpoint exists in the line to be tested, potential differences are formed at two sides of the breakpoint, and the PLC alarm module inputs voltage and alarms. The device can detect the fault problems of the direct current circuit to be detected and the alternating current circuit to be detected, and can perform quick early warning on the circuit to be detected with the circuit breaking; in addition, the needle head of the detection probe of the device is in a hook shape, and can be clamped with a circuit to be detected when the device is used in a narrow space, so that electricians do not need to squat and lie prone to keep a tight state, and the operation is convenient.
It should be noted that, the PLC alarm module alarms through a built-in program, which belongs to the conventional technical means of those skilled in the art, and the focus of this example is on the whole device.
Referring to fig. 1, fig. 1 is a schematic diagram of a circuit module. The alternating current detection module comprises: an alternating current detection needle seat 4, an alternating current voltmeter 3, a selection switch 1, a first voltage converter and a second voltage converter; the alternating current detection needle bases 4 are arranged in pairs and comprise a positive alternating current detection needle base 4 and a negative alternating current detection needle base 4, an alternating current voltmeter 3 is connected between a pair of alternating current detection needle bases 4 and then a selection switch 1 is connected, the selection switch 1 is selectively connected with a first voltage converter and a second voltage converter, and the output ends of the first voltage converter and the second voltage converter are connected with the power end of the PLC alarm module;
the direct current detection module comprises: a direct current detection needle seat 6 and a direct current voltage source; the direct current detection needle bases 6 are arranged in pairs and comprise a positive direct current detection needle base 6 and a negative direct current detection needle base 6, a direct current voltmeter 5 is connected between the pair of direct current detection needle bases 6, and the output of the direct current detection needle bases 6 is connected with the power end of the PLC alarm module;
the PLC alarm module comprises a light emitting diode 2, wherein the anode of the light emitting diode is connected with an output pin of the PLC alarm module, and the cathode of the light emitting diode is connected with an input pin of the PLC alarm module.
Specifically, the power supply principle of the device of this example: when an alternating current circuit to be detected is detected, firstly, the voltage range of the circuit is judged manually, and the selection switch 1 is operated to be connected with a corresponding voltage converter; at this time, alternating current is introduced through the alternating current detection needle seat 4, and voltage indication is displayed through the alternating current voltmeter 3; when a breakpoint exists in the line, the voltages at two sides of the breakpoint are input into the PLC alarm module, the PLC alarm module generates output, and the light emitting diode emits light;
when detecting a direct current circuit to be detected, introducing direct current through a direct current detection needle seat 6, and displaying voltage indication through a direct current voltmeter 5; when a breakpoint exists in the line, the voltages at two sides of the breakpoint are input into the PLC alarm module, the PLC alarm module generates output, and the light emitting diode emits light.
In fig. 1, the l+ and N ends of the PLC alarm module are power supply ends, X0 is an input end, Y0 is an output end, and COM is a common end. The power end (L+ and N end) of the PLC alarm module is connected with the output of the alternating current detection module and the output of the direct current detection module; the output Y0 of the PLC alarm module is connected with the positive electrode of the light emitting diode, the negative electrode of the light emitting diode is connected with the input X0 of the PLC alarm module, and meanwhile the input X0 of the PLC alarm module is connected with a zero line. When a breakpoint exists in the line to be tested, the voltage difference between two sides is introduced into the power end of the PLC alarm module, and the output Y0 of the PLC alarm module outputs a signal to enable the light-emitting diode 2 to emit light for alarm.
Referring to fig. 2, fig. 2 is a schematic structural view of the housing. The operation parts of the selector switch 1, the alternating current detection needle seat 4 and the direct current detection needle seat 6 and the display parts of the alternating current voltmeter 3 and the direct current voltmeter 5 penetrate through the surface of the shell; the light emitting part of the light emitting diode 2 penetrates out of the surface of the housing. The voltage range of the introduced alternating current can be selected through the selection switch 1, so that the PLC alarm module is prevented from being damaged by excessive voltage; the voltage value of the line to be tested can be displayed in real time through the alternating-current voltmeter 3 and the direct-current voltmeter 5; the LED 2 can be used for rapidly judging whether the circuit to be tested has a breakpoint condition.
Preferably, the common ac amplitude ranges for the electrical lines in operation are: 100-240V and 15-40V; the input range of the conventional PLC alarm module is 12-30V. Therefore, to meet the requirements of practical use and production and manufacture, the first voltage converter is used for converting the 100-240V alternating voltage into 12V direct voltage; the second voltage converter is used for converting the 15-40V alternating voltage into 12V direct voltage; the direct current detection needle seat 6 is used for being connected with direct current voltage of 12V-30V.
Further, the PLC alarm module is a relay type output.
Preferably, the detection probe is detachably connected with the ac detection needle seat 4 and the dc detection needle seat 6, and the outer surface of the detection probe is wrapped with an insulating rubber member, as shown in fig. 3, when in use, the insulating rubber member wrapped on the outer surface of the detection probe can be peeled off to expose the needle, and the measurable voltage sampling input device is used for detection; the used insulating rubber piece wraps the needle head of the detection probe, so that a user is prevented from being scratched.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. An electrical line fault detection device, comprising:
a housing;
the circuit module is fixed in the shell and comprises an alternating current detection module, a direct current detection module and a PLC alarm module, wherein the outputs of the alternating current detection module and the direct current detection module are connected with the power end of the PLC alarm module, and the PLC alarm module is used for alarming when detecting faults;
and the detection probe is detachably fixed on the surface of the shell, and the needle head of the detection probe is in a hook shape and is used for clamping a circuit to be detected.
2. The electrical line fault detection device of claim 1, wherein the ac detection module comprises: the alternating current detection needle seat, the alternating current voltmeter, the selection switch, the first voltage converter and the second voltage converter;
the alternating current detection needle bases are arranged in pairs, a pair of alternating current detection needle bases are connected with an alternating current voltmeter and then are connected with a selection switch, the selection switch is selectively connected with a first voltage converter and a second voltage converter, and the outputs of the first voltage converter and the second voltage converter are connected with the power end of the PLC alarm module.
3. An electrical line fault detection device according to claim 2, wherein the dc detection module comprises: a direct current detection needle seat and a direct current voltage source;
the direct current detection needle bases are arranged in pairs, a pair of direct current voltmeters are connected between the direct current detection needle bases, and the output of the direct current detection needle bases is connected with the power end of the PLC alarm module.
4. The electrical line fault detection device according to claim 3, wherein the PLC alarm module comprises a light emitting diode, the positive electrode of the light emitting diode is connected to an output pin of the PLC alarm module, and the negative electrode of the light emitting diode is connected to an input pin of the PLC alarm module.
5. The electrical line fault detection device of claim 4, wherein the selector switch, the ac detection hub and the operating portion of the dc detection hub, and the display portions of the ac voltmeter and the dc voltmeter protrude from the housing surface.
6. An electrical circuit fault detection device as claimed in claim 5, wherein the light emitting portion of the light emitting diode extends out of the housing surface.
7. An electrical line fault detection device as claimed in claim 3, wherein the first voltage converter is adapted to convert an ac voltage of 100-240V to a dc voltage of 12V;
the second voltage converter is used for converting 15-40V alternating current voltage into 12V direct current voltage.
8. The electrical line fault detection device of claim 7, wherein the dc detection hub is configured to receive a dc voltage of 12V-30V.
9. The electrical line fault detection device of claim 8, wherein the PLC alarm module is a relay type output.
10. An electrical line fault detection device as claimed in claim 3 wherein the detection probe is detachably connected to the ac detection hub and the dc detection hub, and the outer surface of the detection probe is wrapped with an insulating rubber member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321032794.0U CN219891339U (en) | 2023-05-04 | 2023-05-04 | Electrical circuit fault detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321032794.0U CN219891339U (en) | 2023-05-04 | 2023-05-04 | Electrical circuit fault detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219891339U true CN219891339U (en) | 2023-10-24 |
Family
ID=88400197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321032794.0U Active CN219891339U (en) | 2023-05-04 | 2023-05-04 | Electrical circuit fault detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219891339U (en) |
-
2023
- 2023-05-04 CN CN202321032794.0U patent/CN219891339U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219891339U (en) | Electrical circuit fault detection device | |
| CN208255339U (en) | A kind of automobile ABS wiring harness detection table | |
| CN211696907U (en) | DMU function test device | |
| CN206710567U (en) | Portable multi-function lithium battery group detection case | |
| CN210015172U (en) | Novel three-phase nuclear phase instrument | |
| CN201289497Y (en) | Non-contact probe | |
| CN2289249Y (en) | Communication cable failure detector | |
| CN212483830U (en) | Current sensor calibrating device based on parallel line strip | |
| CN211236003U (en) | Full-loop direct current electroscope | |
| CN220137333U (en) | Voltage measurement system of button cell | |
| CN215728478U (en) | Power failure detection device | |
| CN105842578A (en) | Indicator capable of rapidly determining coaxial cable BNC radio frequency head fault types | |
| CN214041711U (en) | Multifunctional signal calibrator | |
| CN210376509U (en) | Intelligent gas meter power consumption and voltage detection tool | |
| CN213544680U (en) | Hand-held insulation resistance tester | |
| CN208888354U (en) | A kind of electric automobile power battery insulation detection device | |
| CN218412597U (en) | Acousto-optic electricity testing current clamping device for 10kV live working | |
| CN217332609U (en) | Test pencil with storage battery insufficient voltage detects function | |
| CN216747825U (en) | Plain type real-time testing arrangement | |
| CN213122076U (en) | Portable universal meter | |
| CN212060030U (en) | Paper surface pH detector | |
| CN218481065U (en) | Plug copper sheet exposes high measuring apparatu | |
| CN215894890U (en) | Sensor line detector and dynamic measuring device | |
| CN219736440U (en) | Handheld equipment inspection instrument | |
| CN211148882U (en) | High-efficiency coaxial cable detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |