CN112230041B - 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
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- CN112230041B CN112230041B CN202011114805.0A CN202011114805A CN112230041B CN 112230041 B CN112230041 B CN 112230041B CN 202011114805 A CN202011114805 A CN 202011114805A CN 112230041 B CN112230041 B CN 112230041B
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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 33
- 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 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002146 bilateral effect Effects 0.000 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 the maintenance of the electrical equipment 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 the maintenance of the electrical equipment in the current market, so that the voltage detection device is easy to accumulate dust and damage in a long service life and is not convenient to carry, and the voltage detection device for the maintenance of the electrical equipment 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 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 on the right end of the front side of the box door, a knob, a second gear and a first gear are arranged on the lower right corner of the box door, the rotary knife is connected with the knob, a handle seat is arranged on the upper end of the base body through a first threaded rod and connected with an anti-slip handle, a bottom anti-slip pad is arranged on 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 connected with the rotary knife through a fourth threaded rod, a fixed guide plate is arranged on the inner side of the base body through a fourth threaded rod, a rotary guide plate support is arranged on the inner side of the base body through a fourth threaded rod, the rotary guide plate and connected with a plug device, a plug is connected with the lower end of the base body through a plug, and connected with a plug device through a second threaded rod, and a plug is connected with the fixed plate, the rotary knife is characterized in that a first range block and a second range block are respectively arranged at the left end and the right end of the rotary knife, the ammeter is arranged in the ammeter shell, the ammeter shell is fixed inside the base body through a second threaded rod, and the second test clamp is connected with the fixing plate through a lead and a needle head.
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 door of the box, 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 symmetrically arranged left and right relative to the center of the bottom of the base body, and the surface of the bottom anti-skid pad is rough.
Preferably, the number of the first measuring range pieces is 1, the first measuring range piece and the second measuring range piece are bilaterally symmetrical with respect to the rotary knife, and the rotary knife and the first measuring range piece and the second measuring range piece 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 are consistent with that of the wires of the second test clips.
Preferably, the number of the supporting rods is 2, the supporting rods are symmetrically arranged left and right relative to the center of the base body, and the supporting rods and the fixing blocks form the rotating mechanism.
Preferably, the number of the adjustable supports is 4, the adjustable supports are symmetrically arranged up and down and left and right about the center of the base body, and the height of each adjustable support is higher than that of the corresponding 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 of the base body 1, 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 23 through the fourth threaded rod 36, the inside of the base body 1 is provided with a rotary guide plate bracket 29 through the fourth threaded rod 36, the rotary guide plate bracket 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 inside the electromagnet 26, the electromagnet 26 is connected to an electromagnet base 27, the electromagnet base 27 is fixed inside the base body 1 through a fourth threaded rod 36, a connecting plug 33 is connected to the lower end of the rotary guide plate support 29, the connecting plug 33 is connected to the three-hole lead connecting device 30, the lower end of the three-hole lead connecting device 30 is connected to 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 into the inner hole of the fixed plate 34, the needle 31 is connected with a first test clamp 16 through a lead 17, a first range block 13 and a second range block 14 are respectively arranged at the left end and the right end of the rotary knife 15, the electric meter 10 is arranged in the electric meter case 11, the electric meter case 11 is fixed inside the base body 1 through a second threaded rod 12, and the second test clamp 35 is connected with the fixed plate 34 through a lead 17 and a 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 knife 15, and the rotary knife 15, the first range blocks 13 and the second range blocks 14 form a clamping mechanism, so that the rotary knife 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 a hand, 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 carried out 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 pointer of the electric meter 10 is observed through the glass window 4, if the reading of the pointer of the electric meter 10 is slightly smaller, the knob 18 is rotated to the first gear 39, the reading 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 tensile force of the spring 25, so that the electric meter 28 is normally closed, and the circuit of the device is normally operated; 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 art.
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 at 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 at the lower right corner of the door (3), the knob (18) is connected with a rotary 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 at the rear side of the base body (1), a fixed block (19) is arranged at the rear side of the base body (1), the fixed block (19) and a support rod (20) form a rotary mechanism, a fixed guide plate (22) is arranged inside the base body (1) through a fourth threaded rod (36), a spring seat (23) is arranged inside the base body (1), a guide plate (29) is arranged inside the guide plate (29) through a fourth threaded rod (36), and a rotary mechanism (29) and a rotary mechanism is arranged inside the rotary mechanism (29), and the rotating guide plate (28) is clamped with the fixed guide plate (22), a spring (25) is arranged between the rotating guide plate (28) and the spring seat (23), the front surface of the rotating 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 onto 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 rotating guide plate support (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 into 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 into the inner hole of the fixed plate (34), the needle (31) is connected with a first test clamp (16) through the lead (17), the left end and the right end of the rotating knife (15) are respectively provided with a second range block (14) and a meter shell (10) is arranged in the meter shell (11), the electric meter shell (11) is fixed inside the base body (1) through a second threaded rod (12), and the second test clamp (35) is connected with the fixing plate (34) through a lead (17) and a needle head (31).
2. The voltage detection device for repairing electrical equipment with 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 with 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 symmetrically arranged left and right 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 with 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 |
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| 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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| CN112230041B true CN112230041B (en) | 2023-01-13 |
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| US4297639A (en) * | 1978-12-13 | 1981-10-27 | Branham Tillman W | Battery testing apparatus with overload protective means |
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| CN112230041A (en) | 2021-01-15 |
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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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