CN210199285U - Electric leakage detection device for checking and accepting electric power construction - Google Patents
Electric leakage detection device for checking and accepting electric power construction Download PDFInfo
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- CN210199285U CN210199285U CN201920222184.4U CN201920222184U CN210199285U CN 210199285 U CN210199285 U CN 210199285U CN 201920222184 U CN201920222184 U CN 201920222184U CN 210199285 U CN210199285 U CN 210199285U
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Abstract
The utility model discloses an electric leakage detection device for acceptance inspection in electric power construction, which comprises a grab handle, a detection head, an opening and closing handle, a detection circuit board, a battery, a display screen and a button; the detection head comprises a first detection head, a second detection head and a fixed shaft, the lower end of the first detection head is fixedly connected with the fixed shaft, and the lower end of the second detection head is movably connected with the fixed shaft; the opening and closing handle is movably arranged at the upper end of the left side wall of the grab handle through a rotating shaft, and the right side surface of the opening and closing handle is connected with the left side wall of the grab handle through a spring component; the detection circuit board is arranged inside the grab handle; the battery is arranged in the grab handle below the detection circuit board; the display screen is arranged on the front surface of the grab handle, and the keys are arranged on the front surface of the grab handle below the display screen. In a word, the utility model has the advantages of novel structure, safe high efficiency, detectivity height.
Description
Technical Field
The utility model belongs to the technical field of the electric power construction, specifically relate to an electric power construction is checked and is accepted and is used electric leakage detection device.
Background
Leakage is current leakage due to insulation damage or other causes. The electric leakage can be generated when a certain potential difference exists between the electric appliance shell and a live wire of a mains supply after the electric appliance shell and the live wire of the mains supply are communicated for some reason and the ground.
The leakage detector is a device for detecting leakage. The device can detect the action current of the current type electric shock protector, detect the unbalanced leakage current smaller than the action of the current type electric shock protector, and can distinguish the leakage voltage harmful to the human body and the induction voltage harmless to the human body; the leakage phenomenon of the electric appliance can be effectively detected.
However, the leakage detection device in the prior art has low sensitivity and is inconvenient to use, and the magnitude of the leakage current can be determined only by various instruments, so that it is necessary to design a leakage detection device for electric power construction acceptance check.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned exists, the utility model provides an electric power construction is checked and is accepted and is used electric leakage detection device.
The utility model provides a technical scheme is: an electric leakage detection device for electric power construction acceptance inspection mainly comprises a grab handle, a detection head, an opening and closing handle, a detection circuit board, a battery, a display screen and keys;
the detection head is arranged at the upper end of the grab handle and comprises a first detection head, a second detection head and a fixed shaft, the fixed shaft is fixedly arranged inside the upper end of the grab handle, the first detection head and the second detection head are semi-arc-shaped, openings of the first detection head and the second detection head are opposite, the lower end of the first detection head is fixedly connected with the fixed shaft, and the lower end of the second detection head is movably connected with the fixed shaft;
the opening and closing handle is movably arranged at the upper end of the left side wall of the grab handle through a rotating shaft, the upper end of the opening and closing handle is fixedly connected with the outer side surface of the second detection head, and the right side surface of the opening and closing handle is connected with the left side wall of the grab handle through a spring assembly;
the detection circuit board is arranged in the grab handle and comprises a positive end, a first resistor, a second resistor, a detection processing circuit, a third resistor, a fourth resistor, a negative end and a rectification module, wherein the first resistor is connected with the positive end, the second resistor is connected with the first resistor, the fourth resistor is connected with the negative end, the third resistor is connected with the fourth resistor, the detection processing circuit is respectively connected with the second resistor and the third resistor, and the rectification module is connected between the connection of the first resistor, the second resistor and the third resistor and between the connection of the third resistor and the fourth resistor;
the battery is arranged in the grab handle below the detection circuit board, the positive pole and the negative pole of the battery are respectively connected with the positive pole end and the negative pole end of the detection circuit board, and the lower ends of the first detection head and the second detection head are respectively connected with the positive pole end and the negative pole end of the detection circuit board; the display screen is arranged on the front surface of the grab handle, and the keys are arranged on the front surface of the grab handle below the display screen.
Furthermore, the upper ends of the first detection head and the second detection head are respectively provided with an insulating buckle, and the two insulating buckles are meshed in a staggered mode, so that no obvious gap exists when the two insulating buckles are closed, and the two insulating buckles are prevented from being opened during detection.
Furthermore, the lower end of the first detection head and the lower end of the second detection head are mutually insulated, so that short circuit is avoided.
Furthermore, the grab handle and the opening and closing handle are made of insulating anti-slip rubber, so that the operating personnel is protected, and electric shock is avoided.
Furthermore, the display screen and the keys are respectively electrically connected with the detection circuit board and used for controlling and displaying the detection parameters.
Furthermore, an alarm indicator lamp is arranged on the surface of the right side of the grab handle, and the alarm indicator lamp flashes to alarm when electric leakage is detected.
The working method of the utility model is as follows: the detection device is opened through keys and detection parameters are adjusted, the battery supplies power for the detection circuit board, the lower ends of the first detection head and the second detection head are respectively connected with the positive end and the negative end of the detection circuit board, then the grab handle is held and the opening and closing handle is pressed, the second detection head is opened, a line needing to be detected is placed in the detection head, when the line has no current leakage, the current value flowing through the first resistor is the same as the current value flowing through the fourth resistor, if the current leakage occurs in the line, the alternating current is rectified into the direct current to be input into the detection circuit board by the rectifying module, the current value flowing through the first resistor is equal to the value flowing through the second resistor plus the third resistor, the leakage current value is detected through the detection processing circuit, the detection result is displayed on the display screen, and the alarm indicator.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of electric power construction is checked and accepted and is used electric leakage detection device, the detection head that can open and shut through the setting, can open the detection head through the handle that opens and shuts when detecting the circuit electric leakage with the circuit as for detecting in the head, the all-round electric leakage condition that detects, set up detection circuitry board in the handle, through the detection and treatment circuit detection circuitry electric leakage condition, high sensitivity, set up rectifier module simultaneously on detection circuitry board, the electric current integration that will leak is direct current input detection circuitry board, set up button and display screen simultaneously at the grab handle front surface, can control and show the detection parameter, and set up alarm indicator, can the scintillation when detecting current leakage and report to the police. In a word, the utility model has the advantages of novel structure, safe high efficiency, detectivity height.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the structure of the detection circuit board of the present invention.
The device comprises a handle 1, a detection head 2, a detection head 21, a detection head I, a detection head II, a detection shaft 23, an insulation buckle 24, an opening and closing handle 3, a rotating shaft 31, a spring assembly 32, a detection circuit board 4, a positive terminal 41, a first resistor 42, a second resistor 43, a detection processing circuit 44, a third resistor 45, a fourth resistor 46, a negative terminal 47, a rectification module 48, a battery 5, a display screen 6, a key 7 and an alarm indicator light 8.
Detailed Description
In order to facilitate understanding of the technical solution of the present invention, the present invention is further explained with reference to the accompanying fig. 1-2 and the specific embodiments, which do not limit the protection scope of the present invention.
As shown in fig. 1, an electric leakage detection device for electric power construction acceptance inspection mainly comprises a grab handle 1, a detection head 2, an opening and closing handle 3, a detection circuit board 4, a battery 5, a display screen 6 and a key 7;
the detection head 2 is arranged at the upper end of the grab handle 1, the detection head 2 comprises a first detection head 21, a second detection head 22 and a fixed shaft 23, the fixed shaft 23 is fixedly arranged inside the upper end of the grab handle 1, the first detection head 21 and the second detection head 22 are semi-arc-shaped, openings of the first detection head 21 and the second detection head 22 are opposite, the lower end of the first detection head 21 is fixedly connected with the fixed shaft 23, the lower end of the second detection head 22 is movably connected with the fixed shaft 23, the lower end of the first detection head 21 and the lower end of the second detection head 22 are mutually insulated, insulating buckles 24 are arranged at the upper ends of the first detection head 21 and the second detection head 22, and;
the opening and closing handle 3 is movably arranged at the upper end of the left side wall of the grab handle 1 through a rotating shaft 31, the upper end of the opening and closing handle 3 is fixedly connected with the outer side surface of the detection head II 22, the right side surface of the opening and closing handle 3 is connected with the left side wall of the grab handle 1 through a spring assembly 32, and the grab handle 1 and the opening and closing handle 3 are made of insulating anti-skid rubber;
the detection circuit board 4 is arranged inside the handle 1, as shown in fig. 2, the detection circuit board 4 includes a positive terminal 41, a first resistor 42, a second resistor 43, a detection processing circuit 44, a third resistor 45, a fourth resistor 46, a negative terminal 47 and a rectification module 48, the first resistor 42 is connected with the positive terminal 41, the second resistor 43 is connected with the first resistor 42, the fourth resistor 46 is connected with the negative terminal 47, the third resistor 45 is connected with the fourth resistor 46, the detection processing circuit 44 is respectively connected with the second resistor 43 and the third resistor 45, and the rectification module 48 is connected between the connection of the first resistor 42 and the second resistor 43 and the connection of the third resistor 45 and the fourth resistor 46;
the battery 5 is arranged in the grab handle 1 below the detection circuit board 4, the positive pole and the negative pole of the battery 5 are respectively connected with the positive pole end 41 and the negative pole end 47 of the detection circuit board 4, and the lower ends of the first detection head 21 and the second detection head 22 are respectively connected with the positive pole end 41 and the negative pole end 47 of the detection circuit board 4; display screen 6 sets up on the front surface of grab handle 1, and button 7 sets up on the grab handle 1 front surface of display screen 6 below, display screen 6 and button 7 respectively with detection circuitry board 4 electric connection, grab handle 1 right side surface is equipped with alarm indicator 8.
The working method of the embodiment comprises the following steps: the detection device is opened through the key 7 and the detection parameters are adjusted, the battery 5 supplies power for the detection circuit board 4, and the lower ends of the first detection head 21 and the second detection head 22 are respectively connected with the positive terminal 41 and the negative terminal 47 of the detection circuit board 4, then holding the grab handle 1 and pressing the opening and closing handle 3 to open the second detection head 22, placing the circuit to be detected in the detection head 2, when there is no current leakage from the line, the value of the current flowing through the first resistor 42 and the fourth resistor 46 is the same, if current leakage occurs in the line, the rectifying module 48 rectifies the alternating current into direct current, which is input into the detection circuit board 4, the value of the current flowing through the first resistor 42 is equal to the value flowing through the second resistor 43 plus the third resistor 45, the leak current value is detected by the detection processing circuit 44, the detection result is displayed on the display screen 6, and the alarm lamp 8 starts to flash to alarm.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (6)
1. An electric leakage detection device for electric power construction acceptance inspection is characterized by mainly comprising a grab handle (1), a detection head (2), an opening and closing handle (3), a detection circuit board (4), a battery (5), a display screen (6) and a key (7);
the detection head (2) is arranged at the upper end of the grab handle (1), the detection head (2) comprises a first detection head (21), a second detection head (22) and a fixed shaft (23), the fixed shaft (23) is fixedly arranged inside the upper end of the grab handle (1), the first detection head (21) and the second detection head (22) are semi-arc-shaped, openings of the first detection head (21) and the second detection head (22) are opposite, the lower end of the first detection head (21) is fixedly connected with the fixed shaft (23), and the lower end of the second detection head (22) is movably connected with the fixed shaft (23);
the opening and closing handle (3) is movably arranged at the upper end of the left side wall of the grab handle (1) through a rotating shaft (31), the upper end of the opening and closing handle (3) is fixedly connected with the outer side surface of the detection head II (22), and the right side surface of the opening and closing handle (3) is connected with the left side wall of the grab handle (1) through a spring assembly (32);
the detection circuit board (4) is arranged inside the grab handle (1), the detection circuit board (4) comprises a positive terminal (41), a first resistor (42), a second resistor (43), a detection processing circuit (44), a third resistor (45), a fourth resistor (46), a negative terminal (47) and a rectification module (48), the first resistor (42) is connected to the positive terminal (41), the second resistor (43) is connected to the first resistor (42), the fourth resistor (46) is connected to the negative terminal (47), the third resistor (45) is connected to the fourth resistor (46), the detection processing circuit (44) is respectively connected with a second resistor (43) and a third resistor (45), the rectifying module (48) is connected between the joint of the first resistor (42) and the second resistor (43) and the joint of the third resistor (45) and the fourth resistor (46);
the battery (5) is arranged in the grab handle (1) below the detection circuit board (4), the positive pole and the negative pole of the battery (5) are respectively connected with the positive pole end (41) and the negative pole end (47) of the detection circuit board (4), and the lower ends of the first detection head (21) and the second detection head (22) are respectively connected with the positive pole end (41) and the negative pole end (47) of the detection circuit board (4); the display screen (6) is arranged on the front surface of the grab handle (1), and the key (7) is arranged on the front surface of the grab handle (1) below the display screen (6).
2. The electric leakage detection device for electric power construction acceptance according to claim 1, wherein the upper ends of the first detection head (21) and the second detection head (22) are respectively provided with an insulating buckle (24), and the two insulating buckles (24) are meshed in a staggered manner.
3. The electrical leakage detection device for electric power construction acceptance according to claim 1, wherein the lower end of the first detection head (21) and the lower end of the second detection head (22) are insulated from each other.
4. The electric leakage detection device for electric power construction acceptance according to claim 1, wherein the grab handle (1) and the opening and closing handle (3) are made of insulating anti-slip rubber.
5. The leakage detection device for electric power construction acceptance according to claim 1, wherein the display screen (6) and the keys (7) are respectively electrically connected with the detection circuit board (4).
6. The electric leakage detection device for electric power construction acceptance according to claim 1, wherein the right side surface of the handle (1) is provided with an alarm indicator lamp (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920222184.4U CN210199285U (en) | 2019-02-22 | 2019-02-22 | Electric leakage detection device for checking and accepting electric power construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920222184.4U CN210199285U (en) | 2019-02-22 | 2019-02-22 | Electric leakage detection device for checking and accepting electric power construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210199285U true CN210199285U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920222184.4U Active CN210199285U (en) | 2019-02-22 | 2019-02-22 | Electric leakage detection device for checking and accepting electric power construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210199285U (en) |
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2019
- 2019-02-22 CN CN201920222184.4U patent/CN210199285U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210419 Address after: No.16 Lihe Road, Yixing Ceramic Industrial Park, Dingshu Town, Yixing City, Wuxi City, Jiangsu Province 214200 Patentee after: JIANGSU KAIZHENG CONSTRUCTION Co.,Ltd. Address before: 214224 South of Damuqiao, Dingshu Town, Yixing City, Wuxi City, Jiangsu Province Patentee before: RENCHENG CONSTRUCTION Co.,Ltd. |
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| TR01 | Transfer of patent right |