CN117250415A - Protection device and protection system with nuclear phase function - Google Patents
Protection device and protection system with nuclear phase function Download PDFInfo
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- CN117250415A CN117250415A CN202311205766.9A CN202311205766A CN117250415A CN 117250415 A CN117250415 A CN 117250415A CN 202311205766 A CN202311205766 A CN 202311205766A CN 117250415 A CN117250415 A CN 117250415A
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- 238000001514 detection method Methods 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 210000001503 joint Anatomy 0.000 abstract description 6
- 206010014357 Electric shock Diseases 0.000 description 10
- 238000000819 phase cycle Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/18—Indicating phase sequence; Indicating synchronism
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a protection device with a nuclear phase function, which belongs to the technical field of protection of power systems and comprises a shell, a conductive block, an automatic nuclear phase instrument, a first transmission line, a conductive plate, a detection part and a pressing unit, wherein the pressing unit is used for conducting power on and power off by matching with the conductive plate and the conductive block, and comprises a pressing piece and a shielding piece; the invention discloses a pressing piece formed by connecting a rod, a connecting block, a spring and the like, which is used for conducting power on and off by matching a conductive plate and a conductive block, so that a detection part can be directly in butt joint with a low-voltage bus-bar cabinet during power off, the electric shock problem is avoided, the safety of nuclear phase detection is improved, meanwhile, the pressing piece is further prevented from being accidentally touched when the pressing piece is not used, the potential safety hazard is avoided, and the pressing piece can be tightly limited on the connecting plate when the pressing piece is matched with the conductive plate and the conductive block to conduct power on, and the inconvenience that continuous force is required to be applied is avoided.
Description
Technical Field
The invention relates to the technical field of protection of power systems, in particular to a protection device and a protection system with a nuclear phase function.
Background
After the new construction, reconstruction or expansion of the power system, especially the installation of the bus-bar cabinet, the nuclear phase test is an important link.
The phase checking test is mainly carried out on the wiring ports of the low-voltage bus-tie cabinet to check whether the phases and the phase sequences of the two power supplies are the same or not, if the phases or the phase sequences of the two alternating current power supplies are different, very large current can be generated when the two alternating current power supplies are used in parallel or in a loop closing mode, the potential safety hazard of short circuit damage or even fire is caused to the circuit, therefore, before the wiring of the low-voltage bus-tie cabinet, a user needs to use a phase detecting device to carry out phase checking on the wiring ports of the low-voltage bus-tie cabinet so as to ensure that the phases and the phase sequences of the two power supplies are identical, and thus the low-voltage bus-tie cabinet can work safely.
When the nuclear phase test is carried out, the power supply of the low-voltage bus-tie cabinet needs to be firstly connected for measurement, however, the direct contact with the low-voltage bus-tie cabinet can cause electric shock hazard, because the bus-tie cabinet is connected with the power supply, usually an alternating current power supply, the voltage is higher, if a person directly contacts with a lead wire, a power contact or other electrodes of the low-voltage bus-tie cabinet, electric shock accidents can be caused by the fact that current passes through a human body, and secondly, the power supply connected with the low-voltage bus-tie cabinet can provide current supply, which means that when a certain part or wiring is problematic, large current can pass, the risk of electric shock is increased, and electric shock injury can be caused. Therefore, in order to solve the problem, the invention provides a protection device and a protection system with a nuclear phase function.
Disclosure of Invention
The invention aims to solve the problems of electric shock hazard and electric shock injury in the nuclear phase test process in the prior art, and provides a protection device and a protection system with a nuclear phase function.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a protection device with nuclear looks function, includes the casing, install the conducting block on the roof in the casing, automatic nuclear looks appearance is installed to the inside wall of casing, automatic nuclear looks appearance is last to be connected with transmission line one, transmission line one's the other end electricity is connected with and is corresponding to the conducting plate of conducting block one side, detection portion set up on the casing and with the conducting block electricity is connected for carry out nuclear looks detection to the wiring mouth of low voltage female alliance cabinet, pressing unit, be used for the cooperation the conducting plate with the conducting block is circular telegram and outage, wherein, pressing unit includes press piece and shielding piece, shielding piece is including fixing the connecting plate of casing one side, the opposite side of connecting plate is fixed with the concave frame that forms an organic whole, works as pressing piece be 180 degrees with when concave frame is spacing confliction, the conducting plate with the conducting block outage for the cooperation detection portion safe butt joint is in the wiring mouth of low voltage female allies oneself with the cabinet, works as pressing piece be 90 degrees with the connecting plate with the spacing confliction time, the conducting plate is circular telegram with the detection portion is used for carrying out the low voltage female allies oneself with the cabinet.
Preferably, the detection part comprises a detection rod connected to the shell, at least one voltage transformer is installed at the front end of the detection rod, a wiring cavity is arranged in the detection rod, and a transmission line II positioned in the wiring cavity is electrically connected between the voltage transformer and the conductive block.
Preferably, the pressing piece comprises a connecting rod which is connected between the inner side wall and the outer side of the shell in a sliding mode, one end of the connecting rod is fixed on one side of the conducting plate, a connecting block is fixed at the other end of the connecting rod, a first spring sleeved on the connecting rod is fixed between the connecting block and the shell, a rotating groove is formed in the connecting block, and a rotating part is arranged in the rotating groove.
Preferably, when the rotating part and the connecting block are 180 degrees, the rotating part is in limited interference with the concave frame, and when the rotating part and the connecting block are 90 degrees, the rotating part is in limited interference with the connecting plate.
Preferably, the rotating part comprises a connecting shaft which is rotatably arranged on the rotating groove, a rotating plate is fixed on the connecting shaft, a telescopic groove is formed in the other side of the rotating plate, and elastic parts which can respectively and limitedly abut against the connecting plate and the concave frame are arranged in the telescopic groove.
Preferably, the elastic part comprises a telescopic rod fixed on the inner wall of the telescopic slot, an arc iron block is fixed at the other end of the telescopic rod, a second spring sleeved on the telescopic rod is fixed between the arc iron block and the inner wall corresponding to the telescopic slot, a first arc slot jointed with the arc iron block is formed in the inner wall of the concave frame, a second arc slot is further formed in the concave frame, and an arc pull ring jointed with the second arc slot inner wall is fixed on the rotating plate.
Preferably, an arc-shaped groove III which is jointed and clamped with the arc-shaped iron block is formed in the connecting plate, and a magnetic sheet which is in magnetic attraction fit with the arc-shaped iron block is fixed on the inner wall of the arc-shaped groove III.
Preferably, a handle is fixed on the shell, and both sides of the handle are gradually bent inwards.
The invention also provides a protection system with the nuclear phase function, which is applied to the protection device with the nuclear phase function, and comprises a power supply and a display screen, wherein the power supply and the display screen are respectively electrically connected with the automatic nuclear phase instrument, a pair of L-shaped supporting rods are connected to the display screen, and a panel which is detachably connected with the shell is fixed at the other end of the L-shaped supporting rods.
Compared with the prior art, the invention provides a protection device with a nuclear phase function, which has the following beneficial effects:
1. this protection device with nuclear phase function constitutes through structures such as connecting rod, connecting block and spring press the piece, is for being used for cooperating conducting plate and conducting block to carry out the circular telegram outage, makes the conducting block when the outage, can guarantee that detection portion directly dock before the female cabinet that allies oneself with of low pressure, can avoid taking place the electric shock problem, has further guaranteed the security that the device detected at nuclear phase.
2. This protection device with nuclear phase function through offer the rotation groove on the connecting block, be the rotation portion that constitutes for cooperation connecting axle and rotor plate isotructure, can rotate at the rotation groove, when the rotor plate rotates and the connecting block is 180 degrees, can spacing conflict on concave type frame, can avoid the pressing piece unexpected touch to appear the potential safety hazard problem when not using like this, when rotor plate and connecting block are 90 degrees cooperation pressing piece realization current-carrying on of current conducting plate and conducting block, can closely spacing on the connecting plate, can avoid current conducting plate and conducting block like this when the switch-on state, need not always exert the inconvenient problem of force lead to the fact to the pressing piece.
Drawings
FIG. 1 is a cross-sectional view of a protection device with nuclear phase function according to the present invention;
fig. 2 is an exploded view showing the connection between a pressing unit and a housing of a protection device with a nuclear phase function according to the present invention;
fig. 3 is a schematic diagram of a pressing unit of a protection device with a nuclear phase function according to the present invention;
FIG. 4 is an exploded view showing the connection of a pressing member and a shielding member of a protection device with nuclear phase function according to the present invention;
FIG. 5 is a cross-sectional view showing the connection of a pressing member and a shielding member of a protection device with nuclear phase function according to the present invention;
fig. 6 is a schematic diagram of the overall structure of a protection device with a nuclear phase function according to the present invention;
FIG. 7 is an exploded view showing the connection of a housing and a panel of a protection device with a nuclear phase function according to the present invention;
fig. 8 is a front view of a protection device with nuclear phase function according to the present invention.
In the figure: 1. a housing; 2. a conductive block; 3. an automatic phase checking instrument; 4. a first transmission line; 5. a conductive plate; 6. a detection unit; 61. a detection rod; 62. a voltage transformer; 63. a wiring cavity; 64. a transmission line II; 7. a pressing unit; 71. a pressing member; 711. a connecting rod; 712. a connecting block; 713. a first spring; 714. a rotating groove; 715. a rotating part; 7151. a connecting shaft; 7152. a rotating plate; 7153. a telescopic slot; 7154. an elastic part; 71541. a telescopic rod; 71542. an arc iron block; 71543. a second spring; 7155. an arc pull ring; 72. a shield; 721. a connecting plate; 722. a concave frame; 723. an arc-shaped groove I; 724. an arc-shaped groove II; 725. an arc-shaped groove III; 726. a magnetic sheet; 8. a handle; 9. a power supply; 10. a display screen; 11. an L-shaped supporting rod; 12. a panel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The following describes in detail the technical solutions provided by the embodiments of the present invention with reference to fig. 1 to 8.
Referring to fig. 1-8, a protection device with nuclear phase function comprises a housing 1, a handle 8 is fixed on the housing 1, both sides of the handle 8 are gradually bent inwards, a conductive block 2 is installed on the inner top wall of the housing 1, an automatic nuclear phase meter 3 is installed on the inner side wall of the housing 1, a transmission line 4 is electrically connected to the automatic nuclear phase meter 3, the other end of the transmission line 4 is electrically connected with a conductive plate 5 corresponding to one side of the conductive block 2, a detection part 6 is arranged on the housing 1 and electrically connected with the conductive block 2, and is used for carrying out nuclear phase detection on a wiring port of a low-voltage bus-bar cabinet, a pressing unit 7 is used for carrying out power on and power off with the conductive block 2 in cooperation with the conductive plate 5, wherein the pressing unit 7 comprises a pressing piece 71 and a shielding piece 72, the shielding piece 72 comprises a connecting plate 721 fixed on one side of the housing 1, a concave frame 722 is fixed on the other side of the connecting plate 721, when the pressing piece 71 is in 180 degrees and is in limit conflict with the concave frame 722, the conductive plate 5 is powered off with the conductive block 2, the wiring port of the low-voltage bus-bar cabinet is used for carrying out nuclear phase detection on the wiring port of the low-voltage bus-bar cabinet in safety butt-joint, and the pressing detection part 6 is used for carrying out power on the wiring port of the conductive plate 721 when the pressing piece is in the detection part is in 90 degrees and the connection with the conductive plate 5 is in cooperation with the connection with the wiring port of the conductive plate 2.
By adopting the technical scheme, the detection part 6 is electrically connected with the conductive block 2 in consideration of the fact that the detection part 6 may generate electric shock when being in direct contact with the low-voltage bus-bar in the electrified state, and the detection part 6 can be in the power-off state when the conductive plate 5 is not in contact with the conductive block 2, so that the design is beneficial to ensuring that the detection part 6 is in butt joint before being detected in the wiring port of the low-voltage bus-bar, the electric shock problem can be avoided from directly generating, and the safety of the detection part 6 in use is further improved.
Specifically, since the conductive plate 5 is correspondingly located before one side of the conductive block 2 in the housing 1, that is, the conductive plate 5 and the conductive block 2 are not in contact at the moment and are in a power-off state, when the detection part 6 is directly in butt joint with the low-voltage bus-bar wiring port, the electric shock problem can be avoided, when the detection part 6 is in butt joint with the low-voltage bus-bar and nuclear phase detection is needed, the conductive plate 5 and the conductive block 2 can be electrified only by pushing the pressing piece 71 to drive the conductive plate 5 to be in contact with the conductive block 2, and the electrified conductive block 2 can be matched with the detection part 6 to carry out nuclear phase detection on the low-voltage bus-bar wiring port.
The pressing piece 71 drives the conductive plate 5 to contact with the conductive block 2, specifically, the arc pull ring 7155 on the rotating plate 7152 is pulled, so that the rotating plate 7152 rotates in the rotating groove 714 through the connecting shaft 7151 until the rotating plate 7152 is abutted against the connecting block 712 by 90 degrees on the inner wall of the rotating groove 714, and the rotating plate 7152 can be pushed to drive the connecting rod 711 fixed on the connecting block 712 to contact with the conductive plate 5 to electrify the conductive block 2, so that the current on the detecting part 6 finally reaches the automatic nuclear phase meter 3 from the conductive block 2 through the conductive plate 5 and the first 4 of the transmission line to be measured, and compared with the traditional direct electrified detecting part 6, the butt joint of the detecting part is safer before the detection of the wiring port of the low-voltage bus-bar.
In a preferred embodiment, referring to fig. 1, the detecting unit 6 includes a detecting rod 61 connected to the housing 1, at least one voltage transformer 62 is mounted at a front end of the detecting rod 61, a junction cavity 63 is disposed in the detecting rod 61, and a second transmission line 64 located in the junction cavity 63 is electrically connected between the voltage transformer 62 and the conductive block 2.
The number of the voltage transformers 62 installed on the detecting rod 61 is two in the technical scheme, each voltage transformer 62 can independently collect voltage signals once, the collected signals are transmitted to the automatic phase checking instrument 3 through the transmission line two 64, the conductive block 2, the conductive plate 5 and the transmission line one 4, the automatic phase checking instrument 3 determines phase sequences through parameters such as waveform characteristics and phase differences of detected voltage signals, and transmits detected results to the display screen 10 for being checked and judged by operators, interference from the outside can be counteracted and restrained through comparing the signals collected by the two voltage transformers 62, and therefore stability and anti-interference capability of phase sequence judgment can be improved, accurate phase sequence judgment can be guaranteed under a complex electric power environment, compared with a traditional method for carrying out phase sequence judgment by adopting a single voltage transformer 62, reliability and accuracy of signals can be improved, sampling results of the two voltage transformers 62 can be compared and verified, phase sequence judgment can be guaranteed, and meanwhile, when one voltage transformer 62 has the fault or the other voltage transformer 62 has the fault tolerance, the fault tolerance of the system can be further improved, and the fault tolerance of the system can be further improved.
In a preferred embodiment, referring to fig. 1-5, the pressing member 71 includes a connecting rod 711 slidably connected between the inner side wall and the outer side of the housing 1, one end of the connecting rod 711 is fixed on one side of the conductive plate 5, the other end of the connecting rod 711 is fixed with a connecting block 712, a first spring 713 sleeved on the connecting rod 711 is fixed between the connecting block 712 and the housing 1, a rotating groove 714 is provided on the connecting block 712, a rotating portion 715 is provided in the rotating groove 714, when the rotating portion 715 is 180 degrees with the connecting block 712, the rotating portion 715 is in limited interference with the concave frame 722, when the rotating portion 715 is 90 degrees with the connecting block 712, the rotating portion 715 is in limited interference with the connecting plate 721, the rotating portion 715 includes a connecting shaft 7151 which is rotatably arranged on the rotating groove 714, a rotating plate 7152 is fixed on the connecting shaft 7151, an elastic portion 7154 which is respectively in limited interference with the connecting plate 721 and the concave frame 722 is provided on the other side of the connecting rod 7152, the elastic portion 7154 includes a telescopic rod 71541 which is fixed on the inner wall of the telescopic groove 7153, the other end of the rotating portion 715 is in limited interference with the connecting plate 721, the other end of the rotating portion 715 is fixed with the concave frame 722, the other end of the rotating portion is provided with a clamping plate 7123 which is in the arc-shaped groove 724, the arc-shaped groove 7153 is correspondingly arranged between the inner wall of the arc-shaped groove 724 and the arc-shaped groove 7155, and the arc-shaped groove 7175 is fixedly connected with the arc-shaped groove 7155, and the arc-shaped groove 7155 is fixedly arranged on the inner wall of the arc-shaped groove 724, and the arc-shaped groove 7155 is correspondingly positioned on the arc-shaped, and the arc-shaped,.
By adopting the technical scheme, the pressing piece 71 is considered to be of an elastic design, and the pressing piece 71 can be pressed down to be matched with the conductive plate 5 to be in contact with the conductive block 2 for electrifying, but the potential safety hazard problem is easily caused by the fact that the pressing piece 71 is touched by accident to drive the conductive plate 5 to be electrified with the conductive block 2, so that the pressing piece 71 can be further ensured to be prevented from being touched when the pressing piece 71 is not used through the design of the shielding piece 72, and the use safety of the pressing piece 71 can be further increased.
Specifically, when the conductive plate 5 and the conductive block 2 need to be powered off, only the rotating plate 7152 needs to be rotated until the rotating plate 7152 is 180 degrees with the connecting block 712, then the rotating plate 7152 is reset by the elastic force of the first spring 713, the rotating plate 7152 drives the conductive plate 5 connected with the connecting rod 711 to separate from the conductive block 2, the power off of the detection part 6 is realized, and the rotating plate 7152 also horizontally leans against the inner side wall of the concave frame 722 under the reset by the elastic force of the first spring 713, so that the arc-shaped iron block 71542 on one side of the rotating plate 7152 can be tightly abutted against the arc-shaped groove one 723 under the cooperation of the telescopic rod 71541 and the second spring 71543, and meanwhile, the arc-shaped pull ring 7155 on the rotating plate 7152 is abutted against the arc-shaped groove one 723 on the inner wall of the concave frame 722, so that the pressing member 71 can be tightly abutted against the corresponding inner wall of the concave frame 722, and the hidden danger of the pressing member 71 can be effectively avoided under the shielding of the shielding member 72.
In a preferred embodiment, referring to fig. 2-8, the pressing member 71 includes a connecting rod 711 slidably connected between the inner side wall and the outer side of the housing 1, one end of the connecting rod 711 is fixed on one side of the conductive plate 5, the other end of the connecting rod 711 is fixed with a connecting block 712, a first spring 713 sleeved on the connecting rod 711 is fixed between the connecting block 712 and the housing 1, a rotating groove 714 is provided on the connecting block 712, a rotating portion 715 is provided in the rotating groove 714, when the rotating portion 715 is 180 degrees with the connecting block 712, the rotating portion 715 is in limited contact with the concave frame 722, when the rotating portion 715 is 90 degrees with the connecting block 712, the rotating portion 715 is in limited contact with the connecting plate 721, the rotating portion 715 includes a connecting shaft 7151 rotatably arranged on the rotating groove 714, a rotating plate 7152 is fixed on the connecting shaft 7151, a telescopic groove 7153 is provided on the other side of the rotating plate 7152, an arc groove three which is in clamping connection with an arc iron block 71542 is provided on the connecting plate 7153, and an inner wall 725 of the three arc blocks 725 is fixed with an arc magnetic sheet 71542 in a matched manner.
By adopting the technical scheme, when the pressing piece 71 is in contact conduction with the conductive plate 5 and the conductive block 2 through press fit, the hand is required to continuously apply force to the rotary plate 7152, so that the use is complicated, when the rotary plate 7152 rotates 90 degrees with the connecting block 712, the rotary plate 7152 moves along the surface of the connecting plate 721 in the process of being in contact with the conductive block 2 through the movement of the conductive plate 5, the arc-shaped iron block 71542 designed at the end part of the rotary plate 7152 moves along the surface of the connecting plate 721 until the conductive plate 5 is in contact conduction with the conductive block 2, at the moment, the arc-shaped iron block 71542 is just abutted against the inner wall of the arc-shaped groove three 725 under the cooperation of the telescopic rod 71541 and the spring two 71543, and meanwhile, the magnetic sheet 726 designed on the inner wall of the arc-shaped groove three 725 can be further adsorbed with the arc-shaped iron block 71542, so that the limiting effect between the rotary plate 7152 and the connecting plate 721 is improved, and the pressing piece 71 does not need to apply force to the hand all the time when the conductive plate 5 is matched with the conductive plate 2 to conduct conduction, so that the pressing piece 71 is more convenient when the conductive plate 5 is matched with the conductive block 2.
To sum up, the pressing unit 7 designed in the technical scheme does not need to apply force all the time when the matching conductive plate 5 and the conductive block 2 are electrified, so that the use is more convenient, meanwhile, when the matching conductive plate 5 and the conductive block 2 are powered off, the pressing piece 71 in the pressing unit 7 can be limited to abut against the concave frame 722 in the shielding piece 72, so that the overall safety of the pressing unit 7 matching the conductive plate 5 and the conductive block 2 is higher when the power is electrified and powered off.
The invention also provides a protection system with the nuclear phase function, which is applied to the protection device with the nuclear phase function, and comprises a power supply 9 and a display screen 10, wherein the power supply 9 and the display screen 10 are respectively and electrically connected with the automatic nuclear phase instrument 3, a pair of L-shaped supporting rods 11 are connected to the display screen 10, and a panel 12 which is detachably connected with the shell 1 is fixed at the other end of the L-shaped supporting rods 11.
The protection system consists of a power supply 9, a display screen 10 and a protection device with a nuclear phase function, wherein the power supply 9 supplies electric energy to the whole system, the display screen 10 is used for displaying detection results and other relevant information of the nuclear phase, the power supply 9 supplies required electric power for the automatic nuclear phase instrument 3 when the system works, the automatic nuclear phase instrument 3 judges the phase sequence condition of a wiring port by processing a voltage signal detected by the protection device, the result is transmitted to the display screen 10 for display, and an operator can know the detection results of the nuclear phase through the display screen 10 and perform corresponding operation and judgment according to requirements.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. A protection device having a nuclear phase function, comprising:
the automatic phase checking device comprises a shell (1), wherein a conductive block (2) is arranged on the inner top wall of the shell (1), an automatic phase checking instrument (3) is arranged on the inner side wall of the shell (1), a first transmission line (4) is electrically connected to the automatic phase checking instrument (3), and a conductive plate (5) corresponding to one side of the conductive block (2) is electrically connected to the other end of the first transmission line (4);
the detection part (6) is arranged on the shell (1) and is electrically connected with the conductive block (2) and is used for carrying out nuclear phase detection on a wiring port of the low-voltage bus-bar cabinet;
a pressing unit (7) for conducting power on and off by matching the conductive plate (5) and the conductive block (2);
wherein the pressing unit (7) comprises a pressing piece (71) and a shielding piece (72), the shielding piece (72) comprises a connecting plate (721) fixed on one side of the shell (1), and a concave frame (722) formed into a whole is fixed on the other side of the connecting plate (721);
when the pressing piece (71) is in 180-degree limit collision with the concave frame (722), the conducting plate (5) and the conducting block (2) are powered off and are used for being matched with the detection part (6) to be safely docked in a wiring port of the low-voltage bus-bar cabinet;
when the pressing piece (71) is in 90-degree limit interference with the connecting plate (721), the conducting plate (5) is electrified with the conducting block (2) and is used for matching with the detecting part (6) to detect the nuclear phase of the wiring port of the low-voltage bus-bar cabinet.
2. The protection device with the nuclear phase function according to claim 1, wherein the detection part (6) comprises a detection rod (61) connected to the shell (1), at least one voltage transformer (62) is installed at the front end of the detection rod (61), a wiring cavity (63) is arranged in the detection rod (61), and a transmission line II (64) positioned in the wiring cavity (63) is electrically connected between the voltage transformer (62) and the conductive block (2).
3. The protection device with the nuclear phase function according to claim 1, wherein the pressing piece (71) comprises a connecting rod (711) which is connected between the inner side wall and the outer side of the shell (1) in a sliding mode, one end of the connecting rod (711) is fixed on one side of the conducting plate (5), a connecting block (712) is fixed at the other end of the connecting rod (711), a first spring (713) sleeved on the connecting rod (711) is fixed between the connecting block (712) and the shell (1), a rotating groove (714) is formed in the connecting block (712), and a rotating part (715) is arranged in the rotating groove (714).
4. A protection device with a nuclear phase function according to claim 3, wherein when the rotation part (715) is 180 degrees with the connection block (712), the rotation part (715) is in limited contact with the concave frame (722), and when the rotation part (715) is 90 degrees with the connection block (712), the rotation part (715) is in limited contact with the connection block (721).
5. A protection device with a nuclear phase function according to claim 3, wherein the rotating part (715) comprises a connecting shaft (7151) rotatably arranged on the rotating groove (714), a rotating plate (7152) is fixed on the connecting shaft (7151), a telescopic groove (7153) is formed in the other side of the rotating plate (7152), and an elastic part (7154) which can respectively perform limit interference with the connecting plate (721) and the concave frame (722) is arranged in the telescopic groove (7153).
6. The protection device with the nuclear phase function according to claim 5, wherein the elastic portion (7154) comprises a telescopic rod (71541) fixed on the inner wall of the telescopic groove (7153), an arc-shaped iron block (71542) is fixed at the other end of the telescopic rod (71541), a second spring (71543) sleeved on the telescopic rod (71541) is fixed between the arc-shaped iron block (71542) and the inner wall corresponding to the telescopic groove (7153), an arc-shaped groove I (723) clamped with the arc-shaped iron block (71542) is formed in the inner wall of the concave frame (722), an arc-shaped groove II (724) is further formed in the concave frame (722), and an arc-shaped pull ring (7155) attached to the inner wall of the arc-shaped groove II (724) is fixed on the rotating plate (7152).
7. The protection device with the nuclear phase function according to claim 6, wherein the connecting plate (721) is provided with an arc-shaped groove III (725) which is in fit and clamping connection with the arc-shaped iron block (71542), and a magnetic sheet (726) which is in magnetic attraction fit with the arc-shaped iron block (71542) is fixed on the inner wall of the arc-shaped groove III (725).
8. A protection device with nuclear phase function according to claim 1, characterized in that the housing (1) is fixed with a handle (8), both sides of the handle (8) being bent gradually inwards.
9. A protection system with nuclear phase function, applied to a protection device with nuclear phase function as claimed in any one of claims 1-9, characterized by comprising a power supply (9) and a display screen (10), wherein the power supply (9) and the display screen (10) are respectively electrically connected with the automatic nuclear phase instrument (3).
10. The protection system with nuclear phase function according to claim 9, wherein a pair of L-shaped struts (11) are connected to the display screen (10), and a panel (12) detachably connected to the housing (1) is fixed to the other end of the L-shaped struts (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311205766.9A CN117250415B (en) | 2023-09-19 | 2023-09-19 | Protection device and protection system with nuclear phase function |
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| CN202311205766.9A CN117250415B (en) | 2023-09-19 | 2023-09-19 | Protection device and protection system with nuclear phase function |
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| CN117250415B CN117250415B (en) | 2024-03-08 |
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| CN215375605U (en) * | 2021-07-28 | 2021-12-31 | 莱芜万通电器有限公司 | Automatic nuclear phase of female cabinet of alliing oneself with of low pressure is with wiring protector |
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| CN115372669A (en) * | 2022-08-24 | 2022-11-22 | 贵州电网有限责任公司 | Binding post structure and wireless nuclear phase device of relay protection |
| CN218412814U (en) * | 2022-10-24 | 2023-01-31 | 合肥瀚清信息技术有限公司 | Integrated circuit board detection tool |
| CN219370443U (en) * | 2022-12-26 | 2023-07-18 | 山东国顺智慧科技有限公司 | Intelligent detection alarm device for electric power safety operation |
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| US20160006235A1 (en) * | 2014-07-07 | 2016-01-07 | Yi-Hsiang Wang | Anti-lightning stroke overcurrent protection switch |
| CN207232198U (en) * | 2017-09-29 | 2018-04-13 | 广东信德电力建设有限公司 | A kind of Intelligent nuclear phase pen |
| CN208690915U (en) * | 2018-08-01 | 2019-04-02 | 深圳市德亿兴科技有限公司 | A kind of charging current overload and short-circuit protector |
| CN209927939U (en) * | 2019-04-10 | 2020-01-10 | 青海盐湖工业股份有限公司 | Safety tool for high-voltage nuclear phase |
| CN210347789U (en) * | 2019-07-29 | 2020-04-17 | 广东电网有限责任公司 | Intelligent wireless remote measuring nuclear phase equipment |
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| CN215375605U (en) * | 2021-07-28 | 2021-12-31 | 莱芜万通电器有限公司 | Automatic nuclear phase of female cabinet of alliing oneself with of low pressure is with wiring protector |
| CN216597461U (en) * | 2021-12-12 | 2022-05-24 | 津源利峰(天津)工业控制系统有限公司 | Low-pressure air switch device with trip protection alarm function |
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| CN218412814U (en) * | 2022-10-24 | 2023-01-31 | 合肥瀚清信息技术有限公司 | Integrated circuit board detection tool |
| CN219370443U (en) * | 2022-12-26 | 2023-07-18 | 山东国顺智慧科技有限公司 | Intelligent detection alarm device for electric power safety operation |
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|---|---|
| CN117250415B (en) | 2024-03-08 |
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