CN211603507U - Leakage current testing device - Google Patents
Leakage current testing device Download PDFInfo
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- CN211603507U CN211603507U CN201922419968.9U CN201922419968U CN211603507U CN 211603507 U CN211603507 U CN 211603507U CN 201922419968 U CN201922419968 U CN 201922419968U CN 211603507 U CN211603507 U CN 211603507U
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Abstract
The utility model discloses a leakage current testing arrangement belongs to the testing arrangement field, the power distribution box comprises a box body, the equal fixed mounting in both ends has fixed block A about the box, fixed block A left side upper end outer wall fixed mounting has motor A, the motor A lower extreme runs through fixed block A and rotates and be connected with screw rod A, screw rod A outer wall rotates and has cup jointed screw rod cover A, fixed bearing housing A that has cup jointed of screw rod cover A outer wall, fixed block A right side middle part fixed mounting has the slide bar, the sliding sleeve has been cup jointed in the activity of slide bar outer wall. The dust-proof effect of the device is improved by arranging the rotating structure, the device is convenient to move at any time in use, and the practicability of the device is improved.
Description
Technical Field
The utility model relates to a testing arrangement technical field especially relates to a leakage current testing arrangement.
Background
Leakage current is the current that is formed between electrically charged metallic parts that are insulated from each other, or between a charged part and a grounded part, through their surrounding medium or insulating surface, in the absence of a fault-imposed voltage, and is the current that can be conducted from the accessible portion of the household appliance, including the capacitive coupling current, according to the us UL standard.
Patent CN201010010013.9 discloses a leakage current tester calibrating device, which is inaccurate for test data. The detection and calibration of leakage current tester by each domestic metering and detecting department mostly adopts a separate detection device, namely, each independent element of load resistance, isolation transformer, voltage regulating device, standard ammeter and standard voltmeter is connected with the tested leakage current tester to form a leakage current test loop, the voltage at two ends of the load resistance is regulated to a specified voltage value, a corresponding voltage value is read out on the standard voltmeter, the current value generated by the load resistance is read out on the standard ammeter, the standard ammeter or voltmeter has no maximum value data holding function and can not accurately record the current alarm value set by the leakage current tester, the high-speed A/D conversion chip is applied through the integrated circuit design, the conversion speed and accuracy are greatly improved, the AC/DC adopts a true effective value conversion chip, and the accuracy and linearity of AC signals are ensured, the intelligent polarity-judging circuit has a maximum leakage current data holding function and an intelligent polarity-judging function, is complete in protection function, and is real and reliable in data.
The testing device has the following defects: 1. the testing device is placed in the air when not in use, does not have a dust-proof device, can cause a large amount of dust to fall into the equipment from the equipment socket hole, causes the short circuit condition when in use, causes the equipment to be damaged, and reduces the practicability of the equipment. 2. The moving effect of the equipment is not good, when the equipment is used, if the equipment needs to be moved from one place to another place, the equipment needs to be lifted and moved by an operator, the equipment is troublesome, and the practicability of the testing device is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a leakage current testing device, which aims at adopting a rotating structure, when equipment is not used, a control button is pressed, the control button controls a motor A to rotate through a controller, the motor A rotates to drive a screw rod A to rotate, the screw rod A is matched with the screw thread on the inner wall of a screw rod sleeve A through the screw thread on the outer wall, the screw rod sleeve A is driven to rotate and move downwards on the outer wall of the screw rod A, the screw rod sleeve A moves downwards to drive a bearing sleeve A fixedly sleeved on the outer wall to move downwards, the bearing sleeve A moves downwards to drive a fixed plate A fixedly installed on the right end to move downwards, the fixed plate A moves downwards to drive a sliding sleeve to vertically slide downwards on the outer wall of the sliding rod, the fixed plate A moves downwards vertically to drive a fixed plate B fixedly installed on the upper end to move downwards, the fixed plate A shields the front side of a box body, the fixed plate B shields the upper side of, the practicability of the device is increased.
Through a rotating structure, when the device is required to be moved in use, a control button is pressed, the control button controls a motor B to rotate through a controller, the motor B rotates to drive a rotating rod to rotate, the rotating rod rotates to drive a screw block A fixedly arranged at the right end to rotate, the screw block A is matched with the outer wall thread of the screw block B through the outer wall thread to drive the screw block B to rotate, the screw block B rotates to drive a screw B to rotate, the screw B rotates to be matched with the inner wall thread of a screw rod sleeve B through the outer wall thread to drive the screw rod sleeve B to rotate downwards on the outer wall of the screw rod B, the screw rod sleeve B moves downwards to drive a bearing sleeve B to move downwards, the bearing sleeve B moves downwards to drive connecting rods fixedly arranged at two sides to move downwards, the connecting rods move downwards to drive universal wheels to move downwards through holes A, the universal wheels move downwards to contact the ground to jack up a box body, the practicability of the device is improved.
The utility model provides a specific technical scheme as follows:
a leakage current testing device comprises a box body, wherein fixed blocks A are fixedly mounted at the upper end and the lower end of the left side and the right side of the box body, a motor A is fixedly mounted on the outer wall of the upper end of the left side of the fixed block A, the lower end of the motor A penetrates through the fixed block A to be rotatably connected with a screw A, the outer wall of the screw A is rotatably sleeved with a screw sleeve A, the outer wall of the screw sleeve A is fixedly sleeved with a bearing sleeve A, a slide bar is fixedly mounted in the middle of the right side of the fixed block A, the outer wall of the slide bar is movably sleeved with a slide sleeve, the front ends of the slide sleeve and the bearing sleeve A are fixedly mounted with a fixed plate A, the upper end of the fixed plate A is fixedly mounted with a fixed plate B, through holes B are fixedly mounted on the outer walls of the rear ends of the left side and the right side of the, the utility model discloses a lead screw, including fixed block B, bull stick B, fixed block B lateral wall fixed mounting has motor B, motor B inboard runs through fixed block B and rotates and install the bull stick, the inboard fixed mounting of bull stick has spiral shell piece A, spiral shell piece A inboard below is rotated and is installed spiral shell piece B, spiral shell piece B lower extreme is rotated and is installed screw rod B, screw rod B outer wall rotates and has cup jointed screw rod cover B, screw rod cover B outer wall is fixed and has cup jointed bearing housing B, bearing housing B both sides outer wall fixed mounting has the connecting rod, fixed block B lower extreme lateral wall fixed mounting has through-hole A, the connecting rod runs through-hole A and rotates.
Optionally, the outer wall of the screw rod a is fixedly provided with threads, and the inner wall of the screw rod sleeve a is fixedly provided with threads matched with the threads on the outer wall of the screw rod a, so as to form a rotating structure.
Optionally, the outer wall of the screw B is fixedly provided with threads, and the inner wall of the screw sleeve B is fixedly provided with threads matched with the threads on the outer wall of the screw B to form a rotating structure.
Optionally, a screw block a is fixedly mounted at the inner end of the rotating rod, and a screw block B matched with the screw block a is fixedly mounted at the upper end of the screw rod B to form a rotating structure.
Optionally, the control button input constitutes the electricity with external power through the wire and is connected, the control button output constitutes the electricity through the wire with the input of controller and is connected, the output of controller constitutes the electricity through the wire with motor A and motor B's input and is connected, motor A's output is connected with screw rod A's rotation input.
The utility model has the advantages as follows:
the embodiment of the utility model provides a leakage current testing device, through rotating the structure, when not using equipment, press the control button, the control button controls motor A to operate through the controller, motor A operates and drives screw rod A to rotate, screw rod A cooperates with screw rod cover A inner wall screw thread through outer wall screw thread, drive screw rod cover A to rotate at screw rod A outer wall and move down, screw rod cover A moves down and drives bearing sleeve A that outer wall fixedly cup jointed to move down, bearing sleeve A moves down and drives fixed plate A that right end fixedly installed to move down, fixed plate A moves down and drives sliding sleeve to slide vertically downwards on the outer wall of sliding rod, fixed plate A moves down and drives fixed plate B that upper end fixedly installed to move down, fixed plate A shelters from the box body front, fixed plate B shelters from the box body upside, the invasion of dust is avoided, the dust proof effect of device is improved, the practicability of the device is increased.
Through a rotating structure, when the device is required to be moved in use, a control button is pressed, the control button controls a motor B to rotate through a controller, the motor B rotates to drive a rotating rod to rotate, the rotating rod rotates to drive a screw block A fixedly arranged at the right end to rotate, the screw block A is matched with the outer wall thread of the screw block B through the outer wall thread to drive the screw block B to rotate, the screw block B rotates to drive a screw B to rotate, the screw B rotates to be matched with the inner wall thread of a screw rod sleeve B through the outer wall thread to drive the screw rod sleeve B to rotate downwards on the outer wall of the screw rod B, the screw rod sleeve B moves downwards to drive a bearing sleeve B to move downwards, the bearing sleeve B moves downwards to drive connecting rods fixedly arranged at two sides to move downwards, the connecting rods move downwards to drive universal wheels to move downwards through holes A, the universal wheels move downwards to contact the ground to jack up a box body, the practicability of the device is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic front view of a cross-sectional structure of a leakage current testing apparatus according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a partially enlarged structure a in fig. 1 of a leakage current testing apparatus according to an embodiment of the present invention;
fig. 3 is a schematic side view of the leakage current testing apparatus according to an embodiment of the present invention.
In the figure: 1. a box body; 2. a fixed block A; 3. a motor A; 4. a screw A; 5. a screw rod sleeve A; 6. a bearing bush A; 7. fixing a plate A; 8. a sliding sleeve; 9. a slide bar; 10. a fixing plate B; 11. a fixed block B; 12. bottom bracing; 13. a motor B; 14. a rotating rod; 15. a screw block A; 16. a screw block B; 17. a screw B; 18. a screw rod sleeve B; 19. a bearing sleeve B; 20. a connecting rod; 21. a through hole A; 22. a universal wheel; 23. a control button; 24. and a through hole B.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A leakage current testing apparatus according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.
Referring to fig. 1, 2 and 3, a leakage current testing device provided by an embodiment of the present invention includes a box 1, a fixing block a2 is fixedly mounted at the upper and lower ends of the left and right sides of the box 1, a motor A3 is fixedly mounted on the outer wall of the upper left end of the fixing block a2, the lower end of the motor A3 penetrates through the fixing block a2 to be rotatably connected with a screw A4, a screw rod sleeve A5 is rotatably sleeved on the outer wall of the screw rod A4, a bearing sleeve A6 is fixedly sleeved on the outer wall of the screw rod sleeve A5, a sliding rod 9 is fixedly mounted in the middle of the right side of the fixing block a2, a sliding sleeve 8 is movably sleeved on the outer wall of the sliding rod 9, a fixing plate A7 is fixedly mounted at the front ends of the sliding sleeve 8 and the bearing sleeve A6, a fixing plate B10 is fixedly mounted at the upper end of the fixing plate A7, through holes B24 is fixedly mounted on the outer walls of, all fixed mounting has the end brace 12 in the inboard lower wall of fixed block B11, fixed block B11 lateral wall fixed mounting has motor B13, motor B13 inboard runs through fixed block B11 and rotates and installs bull stick 14, 14 inboard fixed mounting of bull stick has spiral block A15, spiral block B16 is installed in the inboard below rotation of spiral block A15, spiral block B16 lower extreme rotates and installs screw B17, screw B17 outer wall rotates and has cup jointed screw cover B18, screw cover B18 outer wall fixed cup joint has bearing housing B19, bearing housing B19 both sides outer wall fixed mounting has connecting rod 20, fixed block B11 lower extreme lateral wall fixed mounting has through-hole A21, connecting rod 20 runs through-hole A21 and rotates and installs universal wheel 22.
The outer wall of the screw A4 is fixedly provided with threads, the inner wall of the screw sleeve A5 is fixedly provided with threads matched with the threads on the outer wall of the screw A4 to form a rotating structure, when the device is not used, the control button 23 is pressed, the control button 23 controls the motor A3 to operate through the controller, the motor A3 operates to drive the screw A4 to rotate, the screw A4 is matched with the threads on the inner wall of the screw sleeve A5 through the threads on the outer wall, the screw sleeve A5 is driven to rotate and move downwards on the outer wall of the screw A4, the screw sleeve A5 moves downwards to drive the bearing sleeve A6 fixedly sleeved on the outer wall to move downwards, the bearing sleeve A6 moves downwards to drive the fixing plate A7 fixedly installed on the right end to move downwards, the fixing plate A7 moves downwards to drive the sliding sleeve 8 to vertically slide downwards on the outer wall of the sliding rod 9, the fixing plate A7 moves downwards to drive the fixing plate B10, the fixed plate B10 shields the upper side of the box body 1, so that the invasion of dust is avoided, the dust-proof effect of the device is improved, and the practicability of the device is improved.
The outer wall of the screw B17 is fixedly provided with threads, the inner wall of the screw sleeve B18 is fixedly provided with threads matched with the threads on the outer wall of the screw B17 to form a rotating structure, when the device needs to be moved in use, the control button 23 is pressed, the control button 23 controls the motor B13 to operate through the controller, the motor B13 operates to drive the rotating rod 14 to rotate, the rotating rod 14 rotates to drive the screw block A15 fixedly arranged at the right end to rotate, the screw block A15 is matched with the threads on the outer wall of the screw block B16 through the threads on the outer wall of the outer wall to drive the screw block B16 to rotate, the screw block B16 rotates to drive the screw B17 to rotate, the screw B17 rotates to match with the threads on the inner wall of the screw sleeve B18 through the threads on the outer wall of the screw B17 to drive the screw sleeve B18 to rotate downwards, the screw sleeve B18 moves downwards to drive the bearing sleeve B19 to move downwards, the bearing sleeve B19 moves downwards to drive the connecting rod 20 fixedly arranged at both sides to move, the universal wheel 22 moves downwards to contact the ground to jack up the box body 1, so that the bottom support 12 is suspended, the device can be easily moved by rotating the universal wheel 22 in use, and the practicability of the device is improved.
A screw block A15 is fixedly installed at the inner end of the rotating rod 14, a screw block B16 matched with the screw block A15 is fixedly installed at the upper end of the screw rod B17 to form a rotating structure, when the device needs to be moved in use, the control button 23 is pressed, the control button 23 controls the motor B13 to operate through the controller, the motor B13 operates to drive the rotating rod 14 to rotate, the rotating rod 14 rotates to drive the screw block A15 fixedly installed at the right end to rotate, the screw block A15 is matched with the outer wall thread of the screw block B16 through the outer wall thread to drive the screw block B16 to rotate, the screw block B16 rotates to drive the screw rod B17 to rotate, the screw rod B17 rotates to match with the inner wall thread of the screw rod sleeve B18 through the outer wall thread of the outer wall, the screw rod sleeve B18 is driven to rotate downwards on the outer wall of the screw rod B17, the screw rod sleeve B18 moves downwards to drive the bearing sleeve B19 to move downwards, the bearing sleeve B19 moves downwards to drive the connecting rod 20 fixedly installed at two sides to, the universal wheel 22 moves downwards to contact the ground to jack up the box body 1, so that the bottom support 12 is suspended, the device can be easily moved by rotating the universal wheel 22 in use, and the practicability of the device is improved.
The input end of the control button 23 is electrically connected with an external power supply through a lead, the output end of the control button 23 is electrically connected with the input end of the controller through a lead, the output end of the controller is electrically connected with the input ends of the motor A3 and the motor B13 through leads, and the output end of the motor A3 is connected with the rotating input end of the screw A4.
The motor A3, the motor B13 and the control button 23 are products in the prior art, the models of the motor A3 and the motor B13 are HD2401-24, the manufacturer is Anchuan, the model of the control button 23 is LA38-11DN, and the manufacturer is Mixi, and are not described again.
The embodiment of the utility model provides a leakage current testing arrangement, when not using equipment, press control button 23, control button 23 passes through controller control motor A3 operation, motor A3 operates and drives screw rod A4 and rotates, screw rod A4 cooperatees through outer wall screw thread and lead screw cover A5 inner wall screw thread, drive lead screw cover A5 and rotate the downstream at screw rod A4 outer wall, lead screw cover A5 moves down and drives bearing housing A6 that outer wall fixed cup joints to move down, bearing housing A6 moves down and drives fixed plate A7 of right end fixed mounting to move down, fixed plate A7 moves down and drives sliding sleeve 8 and slide bar 9 outer wall vertical slip down, fixed plate A7 moves down and drives fixed plate B10 of upper end fixed mounting to move down, fixed plate A7 openly shelters from box 1, fixed plate B10 shelters from box 1 upside, the invasion of dust has been avoided, when needs in use mobile device, the control button 23 is pressed, the control button 23 controls the motor B13 to operate through the controller, the motor B13 operates to drive the rotating rod 14 to rotate, the rotating rod 14 rotates to drive the screw block A15 fixedly installed at the right end to rotate, the screw block A15 is matched with the screw block B16 outer wall threads through outer wall threads to drive the screw block B16 to rotate, the screw block B16 rotates to drive the screw B17 to rotate, the screw B17 rotates to be matched with the screw block B18 inner wall threads through the outer wall threads to drive the screw sleeve B18 to rotate on the outer wall of the screw B17 downwards, the screw sleeve B18 downwards moves to drive the bearing sleeve B19 to downwards move, the bearing sleeve B19 downwards moves to drive the connecting rod 20 fixedly installed at two sides to downwards move, the connecting rod 20 downwards moves to drive the universal wheel 22 to downwards through the through hole A21, the universal wheel 22 downwards moves to contact with the ground to jack the box body 1, the bottom support 12 in the air, and the device can be easily moved through the rotation of.
It should be noted that, the present invention relates to a leakage current testing apparatus, including motor a3, motor B13 and control button 23, the parts are general standard parts or parts known to those skilled in the art, and the structure and principle of the leakage current testing apparatus can be known by technical manuals or by conventional experimental methods.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The utility model provides a leakage current testing arrangement, includes box (1), its characterized in that: the box body is characterized in that fixed blocks A (2) are fixedly mounted at the upper end and the lower end of the left side and the right side of the box body (1), a motor A (3) is fixedly mounted on the outer wall of the upper end of the left side of the fixed block A (2), the lower end of the motor A (3) penetrates through the fixed block A (2) and is rotatably connected with a screw rod A (4), a screw rod sleeve A (5) is rotatably sleeved on the outer wall of the screw rod A (4), a bearing sleeve A (6) is fixedly sleeved on the outer wall of the screw rod sleeve A (5), a slide rod (9) is fixedly mounted in the middle of the right side of the fixed block A (2), a slide sleeve (8) is movably sleeved on the outer wall of the slide rod (9), a fixed plate A (7) is fixedly mounted at the front ends of the slide sleeve A (8) and the bearing sleeve A (6), a fixed, the utility model discloses a screw rod box, including box (1), fixed block B (11), bottom support (12), fixed block B (11) lateral wall fixed mounting has motor B (13), motor B (13) inboard runs through fixed block B (11) and rotates and installs bull stick (14), bull stick (14) inboard fixed mounting has spiral shell piece A (15), spiral shell piece A (15) inboard below rotates and installs spiral shell piece B (16), spiral shell piece B (16) lower extreme rotates and installs screw rod B (17), screw rod B (17) outer wall rotates and has cup jointed screw rod cover B (18), screw rod cover B (18) outer wall fixed cup jointed bearing cover B (19), bearing cover B (19) both sides outer wall fixed mounting has connecting rod (20), fixed block B (11) lower extreme lateral wall fixed mounting has through-hole A (21), connecting rod (20) run through-hole A (21) and rotate and install universal wheel (22).
2. A leakage current testing device according to claim 1, characterized in that: the outer wall of the screw A (4) is fixedly provided with threads, and the inner wall of the screw rod sleeve A (5) is fixedly provided with threads matched with the threads of the outer wall of the screw A (4) to form a rotating structure.
3. A leakage current testing device according to claim 1, characterized in that: the outer wall of the screw B (17) is fixedly provided with threads, and the inner wall of the screw rod sleeve B (18) is fixedly provided with threads matched with the threads on the outer wall of the screw B (17) to form a rotating structure.
4. A leakage current testing device according to claim 1, characterized in that: the inner end of the rotating rod (14) is fixedly provided with a screw block A (15), and the upper end of the screw rod B (17) is fixedly provided with a screw block B (16) matched with the screw block A (15) to form a rotating structure.
5. A leakage current testing device according to claim 1, characterized in that: the utility model discloses a motor, including control button (23), controller, motor A (3) and motor B (13), the input of control button (23) and external power constitute the electricity through the wire and are connected, the input of control button (23) and the input of controller constitute the electricity through the wire and are connected, the output of motor A (3) is connected with the rotation input of screw rod A (4) through the wire constitution electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922419968.9U CN211603507U (en) | 2019-12-27 | 2019-12-27 | Leakage current testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922419968.9U CN211603507U (en) | 2019-12-27 | 2019-12-27 | Leakage current testing device |
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| Publication Number | Publication Date |
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| CN211603507U true CN211603507U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922419968.9U Active CN211603507U (en) | 2019-12-27 | 2019-12-27 | Leakage current testing device |
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| CN (1) | CN211603507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415428A (en) * | 2020-12-03 | 2021-02-26 | 刘虎 | Rolling type electric leakage detector for electric power equipment and detection method thereof |
-
2019
- 2019-12-27 CN CN201922419968.9U patent/CN211603507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415428A (en) * | 2020-12-03 | 2021-02-26 | 刘虎 | Rolling type electric leakage detector for electric power equipment and detection method thereof |
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