CN112230041A - Voltage detection device with overload protection mechanism for electrical equipment maintenance - Google Patents
Voltage detection device with overload protection mechanism for electrical equipment maintenance Download PDFInfo
- Publication number
- CN112230041A CN112230041A CN202011114805.0A CN202011114805A CN112230041A CN 112230041 A CN112230041 A CN 112230041A CN 202011114805 A CN202011114805 A CN 202011114805A CN 112230041 A CN112230041 A CN 112230041A
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- base body
- guide plate
- overload protection
- electrical equipment
- voltage detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000012423 maintenance Methods 0.000 title abstract description 10
- 239000011521 glass Substances 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Classifications
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- 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
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
Abstract
The invention discloses a voltage detection device with an overload protection mechanism for maintaining electrical equipment, which comprises a base body, an ammeter, a rotary knife and a second test clamp, wherein a swinging page is arranged on the left side of the base body and is connected with a box door, and a glass window is arranged on the front side of the box door. This voltage detection device is used in electrical equipment maintenance with overload protection mechanism is provided with fixed baffle, rotatory baffle, metal block, spring and electro-magnet, therefore the device can realize overload protection, and its theory of operation is: when the voltage does not exceed the rated value, the attraction force of the electromagnet to the rotating guide plate is smaller than the pulling force of the spring to the rotating guide plate, so that the circuit of the device is closed and the device operates normally; when voltage exceeds a rated value, attraction of the electromagnet to the rotating guide plate is larger than tension of the spring to the rotating guide plate, the electromagnet attracts the rotating guide plate, the rotating guide plate is separated from the fixed guide plate, a circuit of the device is disconnected, an overload protection effect is achieved, and practicability is improved.
Description
Technical Field
The invention relates to the technical field of voltage detection devices, in particular to a voltage detection device with an overload protection mechanism for maintaining electrical equipment.
Background
The voltage detection device is an instrument used for detecting working voltage between electrical equipment, is frequently needed when the electrical equipment is maintained, and is an essential instrument for electrical equipment maintenance, but the voltage detection device in the current market has many defects, such as:
1. the voltage detection device for maintaining the electrical equipment in the current market does not have an overload protection mechanism, and because the structure of the voltage detection device for maintaining the electrical equipment in the current market has defects, the voltage detection device lacks a mechanism capable of effectively protecting the voltage during overload, which causes the situation that short circuit and an ammeter are burnt out easily when the voltage detected exceeds the maximum allowable voltage, the voltage detection device for maintaining the electrical equipment in the current market is not practical;
2. the voltage detection device for electrical equipment maintenance in the current market is not convenient to maintain and carry, and is inconvenient to disassemble due to the defect of the structure of the voltage detection device for electrical equipment maintenance in the current market, so that dust is easily accumulated and damaged in the long-time internal part of the voltage detection device, and the voltage detection device is not convenient to carry, so that the voltage detection device for electrical equipment maintenance in the current market is not practical.
Therefore, we propose a voltage detection device for maintenance of electrical equipment having an overload protection mechanism so as to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide a voltage detection device with an overload protection mechanism for maintaining electrical equipment, which aims to solve the problems that the prior art does not have the overload protection mechanism, is inconvenient to maintain and carry in the market.
In order to achieve the purpose, the invention provides the following technical scheme: a voltage detection device with an overload protection mechanism for maintaining electrical equipment comprises a base body, an electric meter, a rotary knife and a second test clamp, wherein a swing page is arranged on the left side of the base body and connected with a box door, a glass window is arranged on the front side of the box door, a door lock handle is arranged at the right end of the front side of the box door, a knob, a second gear and a first gear are arranged at the lower right corner of the box door, the knob is connected with the rotary knife, a handle seat is arranged at the upper end of the base body through a first threaded rod and connected with an anti-skidding handle, a bottom anti-skidding pad is arranged at the lower end of the base body, an adjustable support is arranged on the rear side of the base body, a fixed block is arranged on the rear side of the base body and forms a rotating mechanism together with a supporting rod, a fixed guide plate is arranged inside the base body through a fourth threaded rod, the rotary guide plate bracket and the rotary guide plate form a rotary mechanism, the rotary guide plate is clamped with the fixed guide plate, a spring is arranged between the rotary guide plate and the spring seat, the front surface of the rotary guide plate is provided with a metal block, the right end of the metal block is provided with an electromagnet, an iron core is arranged inside the electromagnet, the electromagnet is connected on an electromagnet base, the electromagnet base is fixed inside the base body through a fourth threaded rod, the lower end of the rotary guide plate bracket is connected with a connecting plug, the connecting plug is connected with a three-hole lead connecting device, the lower end of the three-hole lead connecting device is connected in an inner hole of a fixed plate through a lead and the connecting plug, the fixed plate is fixed at the lower end of the base body through a third threaded rod, a needle head is inserted in the inner hole of the fixed plate, the needle head is connected, the ammeter sets up in the ammeter case, and the ammeter case passes through the second threaded rod to be fixed inside the base member, the second test clip passes through the wire and the syringe needle is connected with the fixed plate.
Preferably, the number of the pendulum pages is 2, the pendulum pages are arranged up and down symmetrically about the center of the base body, and the pendulum pages are overlapped on the same vertical line.
Preferably, the number of the box doors is 1, the length and the width of the box doors are consistent with those of the base body, and the box doors and the base body form a rotating mechanism through the swinging leaves.
Preferably, the number of the glass windows is 1, the size of the glass window is smaller than that of the box door, and the size of the glass window is equal to that of the electric meter.
Preferably, the number of the bottom anti-skid pads is 2, the bottom anti-skid pads are arranged in a left-right symmetrical mode relative to the center of the bottom of the base body, and the surface of each bottom anti-skid pad is rough.
Preferably, the number of the first measuring range blocks is 1, the first measuring range block and the second measuring range block are bilaterally symmetrical with respect to the rotary knife, and the rotary knife, the first measuring range block and the second measuring range block constitute an engaging mechanism.
Preferably, the number of the first test clips is 1, the size specification of the first test clips is consistent with that of the second test clips, and the lengths of the wires of the first test clips and the second test clips are consistent.
Preferably, there are 2 support rods, the support rods are arranged in bilateral symmetry with respect to the center of the base body, and the support rods and the fixed blocks form a rotating mechanism.
Preferably, the number of the adjustable supports is 4, the adjustable supports are arranged in an up-down and left-right symmetrical mode relative to the center of the base body, and the height of each adjustable support is higher than that of each fixing block.
Compared with the prior art, the invention has the beneficial effects that:
1. this voltage detection device is used in electrical equipment maintenance with overload protection mechanism is provided with fixed baffle, rotatory baffle, metal block, spring and electro-magnet, therefore the device can realize overload protection, and its theory of operation is: when the voltage does not exceed the rated value, the attraction force of the electromagnet to the rotating guide plate is smaller than the pulling force of the spring to the rotating guide plate, so that the circuit of the device is closed and the device operates normally; when the voltage exceeds a rated value, the attraction force of the electromagnet to the rotating guide plate is greater than the tension force of the spring to the rotating guide plate, the electromagnet attracts the rotating guide plate, the rotating guide plate is separated from the fixed guide plate, the circuit of the device is disconnected, the overload protection effect is achieved, and the practicability is improved;
2. this voltage detection device is used in electrical equipment maintenance with overload protection mechanism is provided with pendulum page or leaf, chamber door, anti-skidding handle and door lock handle, therefore the device is convenient for maintain and carry, and its theory of operation is: when the inside of the device is maintained, the door lock handle is only required to be opened, the box door is opened, the inside of the device can be maintained, the anti-skidding handle is held by a hand, the device can be lifted away, the purpose of being convenient to maintain and carry is achieved, and the practicability is increased.
Drawings
FIG. 1 is a schematic front view of a partially opened, partially sectioned structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 6 is an enlarged view of the structure at B in FIG. 1 according to the present invention.
In the figure: 1. a substrate; 2. page turning; 3. a box door; 4. a glass window; 5. a door lock handle; 6. a bottom non-slip mat; 7. a handle base; 8. a first threaded rod; 9. an anti-slip handle; 10. an electricity meter; 11. a meter case; 12. a second threaded rod; 13. a first range block; 14. a second range block; 15. a rotary knife; 16. a first test clip; 17. a wire; 18. a knob; 19. a fixed block; 20. a support bar; 21. an adjustable support; 22. fixing the guide plate; 23. a spring seat; 24. a metal block; 25. a spring; 26. an electromagnet; 27. an electromagnet base; 28. rotating the guide plate; 29. rotating the guide plate bracket; 30. a three-hole wire connecting device; 31. a needle head; 32. a third threaded rod; 33. a connecting plug; 34. a fixing plate; 35. a second test clip; 36. a fourth threaded rod; 37. an iron core; 38. a second gear; 39. a first gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a voltage detection device with an overload protection mechanism for maintaining electrical equipment comprises a base body 1, a swinging page 2, a box door 3, a glass window 4, a door lock handle 5, a bottom anti-skid pad 6, a handle seat 7, a first threaded rod 8, an anti-skid handle 9, an electricity meter 10, an electricity meter shell 11, a second threaded rod 12, a first measuring range block 13, a second measuring range block 14, a rotary knife 15, a first test clamp 16, a lead 17, a knob 18, a fixed block 19, a supporting rod 20, an adjustable support 21, a fixed guide plate 22, a spring seat 23, a metal block 24, a spring 25, an electromagnet 26, an electromagnet base 27, a rotary guide plate 28, a rotary guide plate support 29, a three-hole lead connecting device 30, a needle 31, a third threaded rod 32, a connecting plug 33, a fixed plate 34, a second test clamp 35, a fourth threaded rod 36, an iron core 37, a second gear 38 and a first gear 39, wherein the swinging page 2 is arranged on the left side, the swing leaf 2 is connected with the box door 3, the front of the box door 3 is provided with a glass window 4, the right end of the front of the box door 3 is provided with a door lock handle 5, the lower right corner of the box door 3 is provided with a knob 18, a second gear 38 and a first gear 39, the knob 18 is connected with a rotary knife 15, the upper end of the base body 1 is provided with a handle seat 7 through a first threaded rod 8, the handle seat 7 is connected with an anti-skid handle 9, the lower end of the base body 1 is provided with a bottom anti-skid pad 6, the rear side of the base body 1 is provided with an adjustable bracket 21, the rear side of the base body 1 is provided with a fixed block 19, the fixed block 19 and a support rod 20 form a rotary mechanism, the inside of the base body 1 is provided with a fixed guide plate 22 through a fourth threaded rod 36, the inside of the base body 1 is provided with a spring seat, the rotary guide plate 28 is clamped with the fixed guide plate 22, a spring 25 is arranged between the rotary guide plate 28 and the spring seat 23, the front surface of the rotary guide plate 28 is provided with a metal block 24, the right end of the metal block 24 is provided with an electromagnet 26, an iron core 37 is arranged inside the electromagnet 26, the electromagnet 26 is connected with an electromagnet base 27, the electromagnet base 27 is fixed inside the base body 1 through a fourth threaded rod 36, the lower end of the rotary guide plate bracket 29 is connected with a connecting plug 33, the connecting plug 33 is connected with a three-hole lead connecting device 30, the lower end of the three-hole lead connecting device 30 is connected in an inner hole of a fixed plate 34 through a lead 17 and the connecting plug 33, the fixed plate 34 is fixed at the lower end of the base body 1 through a third threaded rod 32, a needle 31 is inserted in the inner hole of the fixed plate 34, the needle 31 is connected with a first test clamp 16 through the, electric meter 10 is placed in meter case 11, meter case 11 is fixed inside base body 1 by second threaded rod 12, and second test clip 35 is connected to fixing plate 34 through lead 17 and needle 31.
The pendulum page or leaf 2 has 2, and the pendulum page or leaf 2 sets up about 1 central longitudinal symmetry of base member to the pendulum page or leaf 2 coincides on same vertical line, guarantees that chamber door 3 can normally open and close, makes the device rational in infrastructure stable, has increased the practicality.
The chamber door 3 has 1, and the length and width of chamber door 3 is unanimous with the length and width size of base member 1 to chamber door 3 constitutes rotary mechanism through pendulum page or leaf 2 and base member 1, guarantees that chamber door 3 can normally open and close, makes the device rational in infrastructure stable, has increased the practicality.
Glass window 4 has 1, and glass window 4's size is less than the size of chamber door 3 to glass window 4's size equals the size of ammeter 10, guarantees to observe the pointer reading of ammeter 10 from glass window 4, makes the device rational in infrastructure stable, has increased the practicality.
The number of the first range blocks 13 is 1, the first range blocks 13 and the second range blocks 14 are bilaterally symmetrical about the rotary cutter 15, and the rotary cutter 15, the first range blocks 13 and the second range blocks 14 form a clamping mechanism, so that the rotary cutter 15 can be clamped to the first range blocks 13 and the second range blocks 14 through rotation, the structure of the device is reasonable, and the practicability is improved.
The number of the support rods 20 is 2, the support rods 20 are arranged in bilateral symmetry about the center of the base body 1, and the support rods 20 and the fixing blocks 19 form a rotating mechanism, so that the support rods 20 can stably support the base body 1, the stress of the device is uniform, and the practicability is improved.
The working principle is as follows: when the voltage detection device with the overload protection mechanism for maintaining the electrical equipment is used, the device is driven to a working place, the anti-skidding handle 9 in the handle seat 7 at the upper end of the base body 1 is held by hands, the device is lifted to a destination, then the device is assembled, the needle head 31 at the tail end of the lead 17 connected with the first test clip 16 is inserted into the left side hole at the lower end of the base body 1, the needle head 31 at the tail end of the lead 17 connected with the second test clip 35 is inserted into the right side hole at the lower end of the base body 1, after the assembly is finished, the voltage detection is started on the electrical equipment, the voltage input end of the electrical equipment is clamped by the first test clip 16, the voltage output end of the electrical equipment is clamped by the second test clip 35, the knob 18 is rotated to the second gear position 38, the reading of the electric meter 10 is observed through the glass window 4, if the reading of the electric meter 10 is smaller, the knob 18 is rotated to the, at the moment, the reading of the pointer of the electric meter 10 is normally displayed, and when the voltage does not exceed the rated value, the attraction force of the electromagnet 26 to the rotating guide plate 28 is smaller than the pulling force of the spring 25 to the rotating guide plate 28, so that the circuit of the device is closed and the device operates normally; when the voltage exceeds the rated value, the attraction force of the electromagnet 26 to the rotating guide plate 28 is larger than the pulling force of the spring 25 to the rotating guide plate 28, the electromagnet 26 attracts the rotating guide plate 28, the rotating guide plate 28 is separated from the fixed guide plate 22, the circuit of the device is disconnected, no voltage and no current exist, the overload protection effect is achieved, after the device is used, the device is maintained, the door lock handle 5 on the outer side of the door 3 is opened, the device can be opened by rotating the door 3, the interior of the device is maintained, and therefore a series of work is completed, and the content which is not described in detail in the specification belongs to the prior art which is well known to a person skilled in the.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides an electrical equipment maintains uses voltage detection device with overload protection mechanism, includes base member (1), ammeter (10), rotary knife (15) and second test clip (35), its characterized in that: the glass door is characterized in that a swing leaf (2) is arranged on the left side of the base body (1), the swing leaf (2) is connected with the door (3), a glass window (4) is arranged on the front side of the door (3), a door lock handle (5) is arranged on the right end of the front side of the door (3), a knob (18), a second gear (38) and a first gear (39) are arranged on the lower right corner of the door (3), the knob (18) is connected with a rotating knife (15), a handle seat (7) is arranged at the upper end of the base body (1) through a first threaded rod (8), the handle seat (7) is connected with an anti-skidding handle (9), a bottom anti-skidding pad (6) is arranged at the lower end of the base body (1), an adjustable support (21) is arranged on the rear side of the base body (1), a fixing block (19) is arranged on the rear side of the base body (1), the fixing block (19) and a supporting rod, a spring seat (23) is arranged in the base body (1) through a fourth threaded rod (36), a rotary guide plate support (29) is arranged in the base body (1) through the fourth threaded rod (36), the rotary guide plate support (29) and the rotary guide plate (28) form a rotary mechanism, the rotary guide plate (28) is clamped with the fixed guide plate (22), a spring (25) is arranged between the rotary guide plate (28) and the spring seat (23), a metal block (24) is arranged on the front face of the rotary guide plate (28), an electromagnet (26) is arranged at the right end of the metal block (24), an iron core (37) is arranged in the electromagnet (26), the electromagnet (26) is connected to an electromagnet base (27), the electromagnet base (27) is fixed in the base body (1) through the fourth threaded rod (36), and a connecting plug (33) is connected to the lower end of the rotary guide plate support (29), and connecting plug (33) connects three hole wire connecting device (30) to three hole wire connecting device (30) lower extreme passes through wire (17) and connecting plug (33) and connects in the hole of fixed plate (34), fixed plate (34) are fixed at base member (1) lower extreme through third threaded rod (32), and the hole of fixed plate (34) is interior to have inserted syringe needle (31), and syringe needle (31) pass through wire (17) and connect first test clip (16), both ends are provided with first range piece (13) and second range piece (14) respectively about rotary knife (15), ammeter (10) set up in ammeter case (11), and ammeter case (11) pass through second threaded rod (12) and fix inside base member (1), second test clip (35) are connected with fixed plate (34) through wire (17) and syringe needle (31).
2. The voltage detection device for repairing electrical equipment having an overload protection mechanism according to claim 1, wherein: the number of the pendulum pages (2) is 2, the pendulum pages (2) are arranged in an up-down symmetrical mode relative to the center of the base body (1), and the pendulum pages (2) are overlapped on the same vertical line.
3. The voltage detection device for repairing electrical equipment having an overload protection mechanism according to claim 1, wherein: the number of the box doors (3) is 1, the length and the width of the box doors (3) are consistent with those of the base body (1), and the box doors (3) and the base body (1) form a rotating mechanism through the swinging page (2).
4. The voltage detection device for repairing electrical equipment having an overload protection mechanism according to claim 1, wherein: the number of the glass windows (4) is 1, the size of each glass window (4) is smaller than that of the box door (3), and the size of each glass window (4) is equal to that of the electric meter (10).
5. The voltage detection device for repairing electrical equipment having an overload protection mechanism according to claim 1, wherein: the number of the bottom anti-skid pads (6) is 2, the bottom anti-skid pads (6) are arranged in a bilateral symmetry mode relative to the center of the bottom of the base body (1), and the surfaces of the bottom anti-skid pads (6) are rough.
6. The voltage detection device for repairing electrical equipment having an overload protection mechanism according to claim 1, wherein: the number of the first range blocks (13) is 1, the first range blocks (13) and the second range blocks (14) are bilaterally symmetrical about the rotary knife (15), and the rotary knife (15) and the first range blocks (13) and the second range blocks (14) form an engagement mechanism.
7. The voltage detection device for repairing electrical equipment having an overload protection mechanism according to claim 1, wherein: the number of the first test clips (16) is 1, the size specification of the first test clips (16) is consistent with that of the second test clips (35), and the lengths of the leads (17) of the first test clips (16) are consistent with that of the second test clips (35).
8. The voltage detection device for repairing electrical equipment having an overload protection mechanism according to claim 1, wherein: the number of the support rods (20) is 2, the support rods (20) are arranged in a left-right symmetrical mode relative to the center of the base body (1), and the support rods (20) and the fixing blocks (19) form a rotating mechanism.
9. The voltage detection device for repairing electrical equipment having an overload protection mechanism according to claim 1, wherein: the number of the adjustable supports (21) is 4, the adjustable supports (21) are arranged in an up-down left-right symmetrical mode relative to the center of the base body (1), and the height of each adjustable support (21) is higher than that of the fixing block (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011114805.0A CN112230041B (en) | 2020-10-19 | 2020-10-19 | Voltage detection device with overload protection mechanism for electrical equipment maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011114805.0A CN112230041B (en) | 2020-10-19 | 2020-10-19 | Voltage detection device with overload protection mechanism for electrical equipment maintenance |
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| Publication Number | Publication Date |
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| CN112230041A true CN112230041A (en) | 2021-01-15 |
| CN112230041B CN112230041B (en) | 2023-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011114805.0A Active CN112230041B (en) | 2020-10-19 | 2020-10-19 | Voltage detection device with overload protection mechanism for electrical equipment maintenance |
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| CN111009448A (en) * | 2019-12-31 | 2020-04-14 | 缙云叶普电子科技有限公司 | Automatic circuit cutting device for surge phenomenon |
| CN111697398A (en) * | 2020-08-01 | 2020-09-22 | 沈一群 | Intelligent patch board |
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| CN112230041B (en) | 2023-01-13 |
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Effective date of registration: 20231213 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Address before: 524088 No. 1 Haida Road, Mazhang District, Zhanjiang City, Guangdong Province Patentee before: Guangdong Ocean University |
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