CN113358970A - Self-recovery type detection device for overvoltage and undervoltage protector - Google Patents
Self-recovery type detection device for overvoltage and undervoltage protector Download PDFInfo
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- CN113358970A CN113358970A CN202110768737.8A CN202110768737A CN113358970A CN 113358970 A CN113358970 A CN 113358970A CN 202110768737 A CN202110768737 A CN 202110768737A CN 113358970 A CN113358970 A CN 113358970A
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- 238000001514 detection method Methods 0.000 title claims abstract description 141
- 230000001012 protector Effects 0.000 title claims abstract description 86
- 238000011084 recovery Methods 0.000 title abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 abstract description 35
- 230000008859 change Effects 0.000 abstract description 10
- 150000001875 compounds Chemical class 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 5
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/01—Subjecting similar articles in turn to test, e.g. "go/no-go" tests in mass production; Testing objects at points as they pass through a testing station
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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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
Abstract
The invention discloses a detection device for a self-recovery overvoltage and undervoltage protector, relates to the technical field of protectors, and aims to realize that the same detection device can test self-recovery overvoltage and undervoltage protectors of different models. Its technical scheme main points include the sideslip mechanism, the sideslip mechanism is connected with the detecting element, and the detecting element is connected with the binding post on crossing under-voltage protector from the compound, and the detecting element includes that first detection head and second detect the head, and first detection head and second detect the head and be connected with first drag link and second drag link respectively, can change the distance between the adjacent test unit through the sideslip mechanism, can change the distance between first detection head and the second detection head through first drag link and second drag link. The device can adjust the positions of the first detection head and the second detection head according to the self-recovery type overvoltage and undervoltage protectors of different models, so that the device can detect the self-recovery type overvoltage and undervoltage protectors of different models.
Description
Technical Field
The invention relates to the technical field of protectors, in particular to a self-recovery overvoltage and undervoltage protector detection device.
Background
The self-recovery overvoltage and undervoltage protector has the functions of line overvoltage and undervoltage protection and time delay reset after the line voltage is normal. The protection device is mainly used for the incoming line of a residential household box or the protection of a distribution line of single-phase electric equipment.
At present, the self-resetting overvoltage and undervoltage protectors are usually tested one by one, the method is low in efficiency, the detection error is high, and the quality of products is influenced.
The invention discloses a Chinese invention with the publication number of CN205440034U, and the name thereof is 'a clamp for a self-resetting over-voltage and under-voltage protector', which comprises a bottom plate, two side fixed supporting plates respectively arranged at two ends of the bottom plate, a slide block base arranged on the bottom plate, a lifting platform is arranged between the two side fixed supporting plates, a pin bush fixing plate is arranged on the lifting platform, the pin bush fixing plate is provided with a plurality of pin holes for pins to pass through, the pins are arranged by passing through the pin holes, the side wall of the lifting platform is provided with a connecting plate, the connecting plate is provided with a fixed pin, the slide block base is provided with a slide block sliding on the slide block base, the slider on be equipped with the spout that transversely runs through the slider lateral wall, the spout include the low level end of one end, the high level end of the other end, communicate the strip cell body that the slope of low level end and high level end set up, the fixed pin pass the spout setting.
Although the invention can detect a plurality of self-recovery overvoltage and undervoltage protectors simultaneously, the invention can only detect the self-recovery overvoltage and undervoltage protector of one model, and when detecting the self-recovery overvoltage and undervoltage of other models, the clamps of other models can only be replaced.
Disclosure of Invention
The invention mainly aims to provide a self-resetting overvoltage and undervoltage protector detection device, and aims to solve the problem that self-resetting overvoltage and undervoltage protectors of different models cannot be detected by adapting to self-resetting overvoltage and undervoltage protector adjustment devices of different models.
In order to achieve the above object, the present invention provides a self-resetting overvoltage/undervoltage protector detection device, which comprises:
the base is the basis of the detection device of the self-resetting overvoltage and undervoltage protector;
the detection mechanism comprises a plurality of detection units, and the detection units are used for detecting the self-resetting overvoltage and undervoltage protector;
the lifting mechanism is used for controlling the lifting of the detection mechanism so as to enable the detection mechanism to be separated from and combined with the self-resetting overvoltage and undervoltage protector;
the transverse moving mechanism is used for adjusting the distance between the adjacent detection units and comprises an operation panel and an expansion bracket, and the expansion bracket is formed by connecting a plurality of expansion units; the telescopic unit comprises two connecting rods, a locking hole is formed in the middle of each connecting rod, connecting holes are formed in two ends of each connecting rod, the two connecting rods are connected through the locking holes in a shaft connection mode to form a telescopic unit, the telescopic units are connected into a telescopic frame through the connecting holes, and a sliding groove is formed in the operating plate;
the sliding block is connected to the locking hole, one end, far away from the locking hole, of the sliding block is used for being connected with the detection unit, and the sliding block moves in the sliding groove so as to drive the detection unit to move.
A wiring terminal is arranged on the self-recovery type overvoltage and undervoltage protector, and the testing mechanism is connected with the wiring terminal and conducts testing voltage into the self-recovery type overvoltage and undervoltage protector for testing. The lifting mechanism can control the lifting of the detection mechanism so as to control the connection and the separation of the detection mechanism and the wiring terminal. When the self-recovery type overvoltage and undervoltage protector with different models is detected, the telescopic frame has a telescopic function, the distance between the locking holes can be changed by stretching the telescopic frame to change the shape of the telescopic frame, and the locking holes are connected with the detection units, so that the distance between the adjacent detection units is changed; when detecting different models from compound undervoltage protection ware that crosses of restoring to the throne, can adjust according to the width of different models from compound undervoltage protection ware that crosses, adjust the distance between the detecting element to the realization is to different models from compound undervoltage protection ware's detection, need not to change other test fixture, and easy operation is convenient.
Furthermore, push-pull rods are arranged at two ends of the sliding groove and connected with the sliding block.
The push-pull rod is connected with a sliding block in a sliding groove in the operating plate, and the state of the telescopic frame can be changed by pushing and pulling, so that the distance between adjacent locking holes is changed, and the distance between the detection units is changed.
Further, the push-pull rod is locked to the operation plate by a screw.
After the push-pull rod is operated to adjust a proper position, the push-pull rod is locked on the operating plate through the screw, so that the position change of the transverse moving mechanism is avoided.
Furthermore, the detection unit comprises a first detection head and a second detection head, a sliding rod is arranged on the first detection head, a sliding sleeve is arranged on the second detection head, and the sliding sleeve is sleeved on the sliding rod;
wherein, the slide bar is connected with the slider.
The first detection head is connected with a detection voltage and a voltage input end of the self-resetting overvoltage and undervoltage protector, and the detection voltage is transmitted into the channel self-resetting overvoltage and undervoltage protector; the second detection head is connected with the voltage output end of the self-recovery overvoltage and undervoltage protector and is connected with a display lamp, and the display lamp can visually display the conduction state of a circuit in the self-recovery overvoltage and undervoltage protector; the sliding rod is matched with the sliding sleeve, so that the distance between the first detection head and the second detection head can be adjusted, and the distance between the first detection head and the second detection head can be adjusted according to detection of self-resetting overvoltage and undervoltage protectors of different models.
Further, a first sliding head and a second sliding head are respectively arranged on the first detection head and the second detection head;
a first transverse pull rod is arranged on one side of the first detection head, a first guide groove is formed in the first transverse pull rod, and the first sliding head is arranged in the first guide groove of the first transverse pull rod;
and a second transverse pull rod is arranged on one side of the second detection head, a second guide groove is formed in the second transverse pull rod, and the second sliding head is arranged in the second guide groove of the second transverse pull rod.
All the first detection heads are connected with the first transverse pull rod, so that all the first detection heads can be conveniently and simultaneously adjusted, and the first guide groove is formed, so that when the distance between the detection units is adjusted through the transverse moving mechanism, the first sliding head can also slide in the guide groove. Similarly, the second transverse pull rod can also conveniently and simultaneously adjust the second detection head; so that the distance between the first and second detection heads can be conveniently adjusted.
Furthermore, at least one end of the first guide groove in the length direction of the first transverse pull rod penetrates out, and at least one end of the second guide groove in the length direction of the second transverse pull rod penetrates out.
In the present invention, the number of the detecting units can be adjusted and changed accordingly, and the detecting units are fixed to the first and second tie rods 12 in addition to the slider. The arrangement of the first guide groove and the second guide groove facilitates the increase and decrease of the detecting units.
Furthermore, the lifting mechanism comprises four supporting columns, two supporting columns form a group of supporting columns which are respectively arranged at two ends of the operating plate, and the operating plate penetrates through the supporting columns and can slide on the supporting columns; the two opposite surfaces of the strut group are provided with racks, a connecting plate is arranged between the two racks of the strut group, and the lower side of the connecting plate is fixedly connected with the operating plate.
The operating panel can slide from top to bottom at the pillar for the operating panel drives accredited testing organization and crosses under-voltage protector from the recovery and contact or separate.
Furthermore, a through hole in the same direction as the connecting line of the inner support of the support column group is formed in the connecting plate, a vertical hole is formed in the connecting plate in the vertical direction, and the vertical hole is connected with the through hole; a limiting column is arranged in the vertical hole, the through hole is divided into two spaces by the limiting column, and a positioning pin, a spring and a limiting block are sequentially and symmetrically arranged in the two spaces; the locating pin contacts with the spacing post, be provided with a pinhole on the spacing post.
The positioning pin, the spring and the limiting block are matched to form a self-locking structure, and the force of the spring is larger at the moment, so that the limiting block is tightly matched with the rack on the strut, and the relative sliding of the connecting plate and the strut is limited; the limiting column is provided with a pin hole, when the limiting column is pressed downwards, the pin hole is contacted with the positioning pin, the positioning pin enters the pin hole, the elasticity of a spring in a self-locking mechanism consisting of the positioning pin, the spring and the limiting block is reduced, the pressure between the limiting block and the rack is reduced, and the connecting plate is pushed to enable the connecting plate and the support to slide, so that the height of the measuring mechanism is adjusted.
Furthermore, the telescopic unit also comprises a plurality of first bolt assemblies, and the first bolt assemblies penetrate through the locking holes to axially connect the two connecting rods to form the telescopic unit.
The structure has the advantages of convenience, reliability and convenience in disassembly and assembly.
Furthermore, the telescopic unit further comprises a plurality of second bolt assemblies, and two adjacent telescopic units are connected through the second bolt assemblies.
The structure has the advantages of convenience, reliability and convenience in disassembly and assembly.
In summary, the transverse moving mechanism is connected with the testing mechanism, and the distance between the adjacent testing units is changed by the extension and contraction of the telescopic frame on the transverse moving mechanism, so that the distance between the testing units can be adjusted and changed according to the models of different self-recovery overvoltage and undervoltage protectors when the self-recovery overvoltage and undervoltage protectors are tested; and the first detection head is connected with the test voltage in the self-recovery overvoltage and undervoltage protector, the second detection head is connected with the display lamp, so that the test is very convenient, and the voltage condition of the output end of the self-recovery overvoltage and undervoltage protector can be judged by observing the brightness degree of the display lamp during the test.
Drawings
FIG. 1 is a perspective view of one embodiment of the present invention;
FIG. 2 is a structural view of a traversing structure of the invention;
FIG. 3 is an exploded view of the traversing mechanism of the present invention;
FIG. 4 is a block diagram of one embodiment of the present invention;
FIG. 5 is a block diagram of a test cell of the present invention;
FIG. 6 is a cross-sectional view of the lift mechanism of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6;
FIG. 8 is a block diagram of a first bolt assembly of the present invention;
FIG. 9 is a block diagram of a first test head of the present invention;
FIG. 10 is a cross-sectional view of a first test head of the present invention;
FIG. 11 is an enlarged view of a portion of FIG. 10;
FIG. 12 is a diagram of the first head of the present invention in operation;
in the figure: 100-detection mechanism, 110-first detection head, 111-sliding rod, 112-first sliding head, 113-first transverse pull rod, 114-binding post, 115-elastic piece, 116-mounting plate, 117-conducting plate, 118-annular wire, 119-binding head, 120-second detection head, 121-sliding sleeve, 122-second sliding head, 123-second transverse pull rod; 130-detection unit, 140-partition board, 150-column, 160-shell;
200. the lifting mechanism comprises a lifting mechanism, 210-supporting columns, 220-connecting plates, 221-limiting blocks, 222-springs, 223-positioning pins, 230-limiting columns, 231-pin holes and 240-supporting column groups;
300. the device comprises a transverse moving mechanism, 310-an operating plate, 320-a telescopic frame, 321-a connecting rod, 322-a sliding block, 323-a connecting block, 324-a telescopic unit, 325-a screw, 326-a locking hole, 330-a push-pull rod, 340-a first bolt component, 341-a connecting screw rod, 342-a gasket, 343-a connecting nut and 350-a second bolt component;
400-a base;
500-self-recovery overvoltage and undervoltage protector, 510-terminal.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As used herein, the singular forms "a", "an", "the" and "the" include plural referents unless the content clearly dictates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, units, modules, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, units, modules, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Referring to fig. 1 and 2, in an embodiment of the present invention, a self-resetting overvoltage/undervoltage protector detection device includes:
the base 400 is the basis of the detection device of the self-resetting overvoltage and undervoltage protector;
the detection mechanism 100 comprises a plurality of detection units, and the detection unit 160 is used for detecting the self-resetting overvoltage and undervoltage protector 500;
the lifting mechanism 200 is used for controlling the lifting of the detection mechanism 100 so as to enable the detection mechanism 100 to be separated from and combined with the self-resetting overvoltage and undervoltage protector 500;
the transverse moving mechanism 300 is used for adjusting the distance between adjacent detection units 110, and comprises an operation panel 310 and an expansion bracket 320, wherein the expansion bracket 320 is formed by connecting a plurality of expansion units 324; the telescopic unit 324 comprises two connecting rods 321, a locking hole 326 is arranged in the middle of each connecting rod 321, connecting holes are arranged at two ends of each connecting rod 321, the two connecting rods 321 are connected through the locking holes 326 in a shaft coupling mode to form the telescopic unit 324, the telescopic units 324 are connected through the connecting holes to form the telescopic frame 320, and a sliding groove is formed in the operation panel 310;
the sliding block 322 is connected to the locking hole 326, one end of the sliding block 322, which is far away from the locking hole 326, is used for connecting the detecting unit 110, and the sliding block 322 moves in the sliding slot, so as to drive the detecting unit 110 to move.
Both ends that are provided with on the undervoltage protection ware 500 are crossed from double entry all are provided with binding post 510, and the test mechanism is connected with voltage input's binding post 510 and will test voltage leading-in crosses undervoltage protection ware 500 from double entry and test. The lifting mechanism 200 can control the lifting of the detection mechanism 100 so as to control the connection and the separation of the detection mechanism 100 and the wiring terminal 510, and the self-resetting overvoltage and undervoltage protector 500 is powered on and powered off. The detecting units 130 are connected linearly, and each detecting unit 130 can detect one self-resetting overvoltage-undervoltage protector 500, so that the purpose of batch detection of the self-resetting overvoltage-undervoltage protectors 500 is achieved. When the self-restoring overvoltage and undervoltage protector 500 with different models needs to be detected, the telescopic frame 320 has a telescopic function, the shape of the telescopic frame 320 is changed by stretching the telescopic frame 320, the distance between the locking holes 326 on the telescopic frame 320 can be changed, and the locking holes 326 are connected with the detection units 130 through the connecting blocks 323, so that the distance between the adjacent detection units 130 is changed; when detecting different models from compound undervoltage protection ware 500 of crossing, can adjust the distance between the detecting element 130 according to different models from compound undervoltage protection ware 500's width of crossing of compound to realize crossing undervoltage protection ware 500's detection from compound to different models, need not to change other test fixture, easy operation is convenient.
Referring to fig. 3, the sliding chute is provided with push-pull rods 330 at both ends thereof, and the push-pull rods 330 are connected with the sliding blocks 322.
The push-pull rod 330 is connected to the slider 322 in the sliding slot of the operating panel 310, and the state of the telescopic frame 320 can be changed by pushing or pulling the push-pull rod 330, so as to change the distance between the adjacent locking holes 326 and thus change the distance between the detecting units 130. Making it more convenient to adjust the distance between adjacent detection units 130.
The push-pull rod 330 is locked to the operating plate 310 by the screw 325, and after the push-pull rod 330 is adjusted to a proper position by operating the push-pull rod 330, the push-pull rod 330 is locked to the operating plate 310 by rotating the screw 325, so that the position change of the traversing mechanism 300 is avoided, and the test is more stable.
Referring to fig. 4 and 5, the detecting unit 130 includes a first detecting head 110 and a second detecting head 120, the first detecting head 110 is provided with a sliding rod 111, the second detecting head 120 is provided with a sliding sleeve 121, and the sliding sleeve 121 is sleeved on the sliding rod; the sliding rod 111 is connected with the sliding block 322.
The first detection head 110 is connected with a detection voltage, is connected with a connection terminal 510 of a voltage input end d of the self-resetting overvoltage and undervoltage protector 500, and is used for transmitting the detection voltage into the channel self-resetting overvoltage and undervoltage protector 500; the second detection head 120 is connected to the voltage output terminal of the self-resetting overvoltage/undervoltage protector 500, and is connected to a display lamp (not shown), which can visually display the conduction state of the circuit in the self-resetting overvoltage/undervoltage protector; the matching of the sliding rod 111 and the sliding sleeve 121 enables the distance between the first detection head 110 and the second detection head 120 to be adjusted, so as to adjust the distance between the first detection head 110 and the second detection head 120 according to the detection of different types of self-resetting overvoltage and undervoltage protectors 500; the rubber pad is arranged in the sliding sleeve 121, so that a certain friction force exists between the sliding sleeve 121 and the sliding rod 111, and a certain force is needed to change the distance between the first detection head 110 and the second detection head 120 when the distance between the first detection head 110 and the second detection head 120 is changed, so that the distance between the first detection head 110 and the second detection head 120 is kept stable when the device tests the self-resetting under-voltage protector 500.
The first detection head 110 and the second detection head 120 are respectively provided with a first sliding head 112 and a second sliding head 122;
a first tie rod 113 is arranged on one side of the first detection head 110, a first guide groove is formed in the first tie rod 113, and the first sliding head 112 is arranged in the first guide groove of the first tie rod 113;
a second tie rod 123 is arranged on one side of the second detection head 120, a second guide groove is arranged on the second tie rod 123, and the second sliding head 122 is arranged in the second guide groove of the second tie rod 123.
All the first detecting heads 110 are connected to the first tie rods 113, so that all the first detecting heads 110 can be conveniently adjusted at the same time, and a first guide groove is provided so that the first slider 112 can also slide in the guide groove when the distance between the detecting units 130 is adjusted by the traversing mechanism 300. Similarly, the second tie rod 123 can also conveniently adjust the second detection head 120 at the same time; therefore, the distance between the first detection head 110 and the second detection head 120 can be conveniently adjusted, and the distance between the connection terminals 510 at the two ends of different self-resetting overvoltage-undervoltage protectors 500 is different, so that the self-resetting overvoltage-undervoltage protectors 500 can be more suitable for detection of different models.
At least one end of the first guide slot in the length direction of the first track rod 113 extends out, and at least one end of the second guide slot in the length direction of the second track rod 123 extends out.
The number of the detecting units 130 can be adjusted and changed accordingly, and the detecting units 130 are fixed to the first tie rod 113 and the second tie rod 123 in addition to the slider 322. The provision of the first and second guide grooves facilitates the addition and subtraction of the detecting unit 160. When the measured volume of the self-resetting overvoltage and undervoltage protector 500 is large, the distance between other adjacent test units 160 is increased by reducing the number of the test units 160.
The lifting mechanism 200 includes four support columns 210, two support columns 210 form a group of support column groups 240, which are respectively disposed at two ends of the operation plate 310, and the operation plate 310 passes through the support columns 210 and can slide on the support columns 210; two opposite surfaces of the strut group 240 are provided with racks, a connecting plate 220 is arranged between the two racks of the strut group 240, and the lower side of the connecting plate 220 is fixedly connected with the operating plate 310.
The operation panel 310 can slide up and down along the support column 210, so that the operation panel 310 brings the testing mechanism 100 into contact with or separate from the self-resetting overvoltage/undervoltage protector 500.
A through hole in the same direction as the connecting line of the inner strut 210 of the strut group 240 is formed in the connecting plate 220, and a vertical hole is formed in the connecting plate 220 in the vertical direction and is connected with the through hole; a limit column 230 is arranged in the vertical hole, the through hole is divided into two spaces by the limit column, and a positioning pin 223, a spring 222 and a limit block 221 are sequentially and symmetrically arranged in the two spaces; the positioning pin 223 contacts with the position-limiting post 230, and a pin hole 231 is disposed on the position-limiting post 230.
The positioning pin 223, the spring 222 and the limit block 221 are matched to form a self-locking structure, and the force of the spring is larger at the moment, so that the limit block 221 is tightly matched with the rack on the support column 240, and the relative sliding of the connecting plate 220 and the support column 210 is limited; be provided with a pinhole 231 on the spacing post 230, when spacing post 230 pushes down, make pinhole 231 and locating pin 223 contact, locating pin 223 gets into pinhole 231, make locating pin 223, the elasticity of spring 222 in the self-locking mechanism that spring 222 and spacing piece 221 constitute reduces, make the pressure between spacing piece 221 and the rack reduce, thereby promote connecting plate 220 and can make connecting plate 220 and pillar 210 produce the slip, and then adjust the height of connecting plate 220, and then drive the operation panel 310 below connecting plate 220 and reciprocate, operation panel 310 drives the expansion bracket 320 and reciprocates, expansion bracket 320 drives detecting element 130 and reciprocates, realize first detecting head 110 and the second detecting head 120 on detecting element 130 and cross the contact and the separation of binding post 510 on the under-voltage protector 500 from the recovery type.
The two connecting rods 321 are connected through a first bolt assembly 340 to form a telescopic unit 324; a plurality of telescopic units 324 are connected by a second bolt assembly 350 to form a telescopic frame 320. The first bolt assembly 170 and the second bolt assembly 180 have the same structure, and only the structure of the first bolt assembly 170 will be described.
Referring to fig. 8, the first bolt assembly 340 includes a connection screw 341 and a connection nut 343, the connection nut 343 and the connection screw 341 cooperate to connect two locking holes 326326 of two connection rods 321, a gasket 342 is disposed between the two locking holes 326, and balls are embedded in the gasket 342, so that resistance is reduced when the connection plate 321 rotates, and rotation is facilitated. When the number of the detecting units 130 needs to be adjusted, the above structure has the advantages of convenience, reliability and convenience in disassembly and assembly.
Referring to fig. 9 to 12, in one embodiment, the first detecting head 110 and the second detecting head 120 have the same structure, the first detecting head 120 includes a housing 160, a vertical column 150 that is vertically movable and insulated is disposed on the housing 160, two sides of the lower portion of the vertical column 150 are respectively connected with a mounting plate 116 at equal heights, two sides of the lower portion of the vertical column 150 are respectively connected with a conductive plate 117 at equal heights, wherein the mounting plate 116 is lower than the conductive plate 117;
a plurality of through holes are arranged in an array on the mounting plate 116, the binding post 114 is arranged in the through holes, the binding post 114 comprises a chuck part, a necking part and a columnar part which are sequentially connected, the chuck part is positioned above the mounting plate 116, the necking part penetrates through the mounting plate 116, the columnar part is positioned below the mounting plate 116, an elastic part 115 is further arranged in the circumferential direction of the necking part, the elastic part 115 is positioned between the columnar part and the mounting plate 116, and the chuck part is separated from the conductive plate 117 when the elastic part 115 is in a natural state;
the housing 160 is provided with terminal blocks 119 at both sides of the column 150, the terminal blocks 119 being connected to the conductive plate 117 by a ring wire 118;
a partition plate 140 is fixedly arranged on the inner wall of the shell 160 below the upright post 150, and the plurality of binding posts 114 on the mounting plate 116 are divided into two parts by the partition plate 140; the lower end of the pillar 150 has a through hole, and a return spring is provided at the through hole, and the upper end and the lower end of the return spring are in contact with the pillar 150 and the partition plate 140, respectively.
When the operating plate 310 moves downwards, the operating plate drives the upright post 150 to press downwards, and the mounting plate 116, the conducting plate 117 and the binding post 114 also descend together until the lower end face of the binding post 114 contacts the shell of the self-resetting overvoltage and undervoltage protector 500; the column 150 continues to descend, and only the terminal 114 corresponding to the terminal 610 continues to descend, the rest of the terminals 114 are supported by the self-healing overvoltage/undervoltage protector 500, and the voltage of the contact 119 is applied to the terminal 114 after the supported terminal 114 contacts with the continuously descending conductive plate 117. As can be understood from the above process, the terminal 114 is energized only when the operation panel 310 is lowered to a certain extent, thereby securing the safety of the operator.
In one embodiment, the lower end of the post 114 is flush with the bottom of the housing 160 when the return spring is in the free state.
Through the size design, the stand column 150 only needs to be lowered by a small distance, the wiring terminal 114 can be electrified, and the testing speed is improved.
In one embodiment, a method for using a self-healing overvoltage and undervoltage protector detection device comprises the following steps:
s01, pressing the limiting column 230 to make the connecting plate 220 and the operating plate 310 move upwards, so that the operating plate 310 drives the measuring mechanism 100 to move upwards and rise to a proper position to release hands;
s02, placing the tested self-recovery overvoltage and undervoltage protector 500 on the base 400, and adjusting the distance between adjacent detection units 130 by adjusting the distance between the lock holes 326 on the telescopic frame 320 through the push-pull rod 330 according to the model of the tested self-recovery overvoltage and undervoltage protector 500; adjusting a distance between the first detection head 110 and the second detection head 120 through the first tie rod 113 and the second tie rod 123; enabling the first detection head 110 and the second detection head 120 to match the position of the connection terminal 510 on the self-healing overvoltage and undervoltage protector 500 to be tested;
s03, pressing the limiting column 230 to make the connecting plate 220 and the operating plate 310 move downwards, so that the operating plate 310 drives the measuring structure to move downwards, and when the first detecting head 110 and the second detecting head 120 are connected with the wiring terminal 510 on the self-resetting over-under-voltage protector 500, releasing the hand from the limiting column 230;
s04: the first detection head 110 is connected with a test voltage to test the detected self-healing overvoltage and undervoltage protector 500;
s05, after the test is finished, the limiting column 230 is pressed, the connecting plate 220 and the operating plate 310 move upwards, the operating plate 310 drives the measuring structure to move upwards, the operating plate rises to a proper position to release hands, and the self-restoring overvoltage and undervoltage protector 500 after the detection is finished is taken out from the base; and (5) finishing the test.
The specific embodiment of the invention is as follows: firstly, the operating board 310 is grasped by a hand and the limit column 230 is pressed by a thumb to enable the pin hole to coincide with the positioning pin 233, so that the limit block 221 is separated from the tooth on the support column 210, the connecting board 220 can slide upwards to drive the operating board 310 below the connecting board 220 to separate upwards, the operating board 310 drives the expansion bracket 320 to move upwards, the testing unit 130 on the testing mechanism 100 is driven by the expansion bracket 320 to move upwards, and then the self-resetting under-voltage protector 500 to be detected is placed on the base 400 side by side. Secondly, adjusting the position between adjacent detection units 130 according to the type of the detected self-resetting overvoltage and undervoltage protector 500, adjusting the distance between the detection units 130 through the push-pull rod 330 after the screw 325 is loosened by rotation, enabling the distance between the adjacent detection units 130 to correspond to the wiring terminal 510 on the detected self-resetting overvoltage and undervoltage protector 500, and then rotating the screw 325 tightly to enable the position of the push-pull rod 330 to be fixed; then, the distance between the first detection head 110 and the second detection head 120 is adjusted through the first tie rod 113 and the second tie rod 123, so that the distance between the first detection head 110 and the second detection head 120 is matched with the wiring terminals at the two ends of the detected self-resetting overvoltage and undervoltage protector 500; if the volume of the detected self-resetting overvoltage and undervoltage protector 500 is large, the telescopic unit 324 can be detached by detaching the first bolt assembly 340 and the second bolt assembly 350, so that the distance between adjacent detection units 130 can be increased again, and the detected self-resetting overvoltage and undervoltage protector 500 can be better adapted. Finally, the operating panel 310 drives the testing unit 130 to move downwards by pressing the limiting column 230, so that the first detecting head 110 and the second detecting head 120 are respectively connected with the connecting terminal 510 of the voltage input end and the connecting terminal 510 of the voltage output end of the self-resetting overvoltage and undervoltage protector 500, and further subsequent testing is performed; the binding post 510 of the input of the self-resetting overvoltage protector 500 leads in the test voltage through the first detection head 110, and the binding post 510 of the output of the self-resetting overvoltage protector 500 is connected with the display lamp, so that during detection, whether the voltage output end on the self-resetting overvoltage protector 500 outputs voltage or not can be judged by observing the brightness degree of the display lamp.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides an under-voltage protector detection device is crossed from double entry which characterized in that includes:
the base is the basis of the detection device of the self-resetting overvoltage and undervoltage protector;
the detection mechanism comprises a plurality of detection units, and the detection units are used for detecting the self-resetting overvoltage and undervoltage protector;
the lifting mechanism is used for controlling the lifting of the detection mechanism so as to enable the detection mechanism to be separated from and combined with the self-resetting overvoltage and undervoltage protector;
the transverse moving mechanism is used for adjusting the distance between the adjacent detection units and comprises an operation panel and an expansion bracket, and the expansion bracket is formed by connecting a plurality of expansion units; the telescopic unit comprises two connecting rods, a locking hole is formed in the middle of each connecting rod, connecting holes are formed in two ends of each connecting rod, the two connecting rods are connected through the locking holes in a shaft connection mode to form a telescopic unit, the telescopic units are connected into a telescopic frame through the connecting holes, and a sliding groove is formed in the operating plate;
the sliding block is connected to the locking hole, one end, far away from the locking hole, of the sliding block is used for being connected with the detection unit, and the sliding block moves in the sliding groove so as to drive the detection unit to move.
2. The self-restoring overvoltage and undervoltage protector detection device according to claim 1, wherein push-pull rods are arranged at two ends of the sliding groove, and the push-pull rods are connected with sliding blocks.
3. The self-healing under-voltage protector detection device according to claim 2, wherein the push-pull rod is locked to the operation plate by a screw.
4. The self-restoring overvoltage and undervoltage protector detection device according to claim 1, wherein the detection unit comprises a first detection head and a second detection head, the first detection head is provided with a sliding rod, the second detection head is provided with a sliding sleeve, and the sliding sleeve is sleeved on the sliding rod;
wherein, the slide bar is connected with the slider.
5. The self-healing overvoltage and undervoltage protector detection device according to claim 4, wherein the first detection head and the second detection head are respectively provided with a first sliding head and a second sliding head;
a first transverse pull rod is arranged on one side of the first detection head, a first guide groove is formed in the first transverse pull rod, and the first sliding head is arranged in the first guide groove of the first transverse pull rod;
and a second transverse pull rod is arranged on one side of the second detection head, a second guide groove is formed in the second transverse pull rod, and the second sliding head is arranged in the second guide groove of the second transverse pull rod.
6. The self-healing overvoltage and undervoltage protector detection device according to claim 5, wherein the first guide groove penetrates at least one end of the first cross pull rod in the length direction, and the second guide groove penetrates at least one end of the second cross pull rod in the length direction.
7. The self-healing overvoltage and undervoltage protector detection device according to claim 5, wherein the lifting mechanism comprises four pillars, two pillars form a group of pillars, the group of pillars is respectively arranged at two ends of the operation plate, and the operation plate passes through the pillars and can slide on the pillars; the two opposite surfaces of the strut group are provided with racks, a connecting plate is arranged between the two racks of the strut group, and the lower end of the connecting plate is fixedly connected with the operating plate.
8. The self-restoring overvoltage and undervoltage protector detection device according to claim 7, wherein the connecting plate is provided with a through hole in the same direction as the connecting line of the internal support of the support group, and a vertical hole is arranged in the vertical direction of the connecting plate and connected with the through hole; a limiting column is arranged in the vertical hole, the through hole is divided into two spaces by the limiting column, and a positioning pin, a spring and a limiting block are sequentially and symmetrically arranged in the two spaces; the locating pin contacts with the spacing post, be provided with a pinhole on the spacing post.
9. The self-healing overvoltage and undervoltage protector detection device according to any one of claims 1 to 8, further comprising a plurality of first bolt assemblies and a plurality of second bolt assemblies, wherein the first bolt assemblies penetrate through the locking holes to axially connect two connecting rods to form the telescopic unit; and two adjacent telescopic units are connected through the second bolt assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110768737.8A CN113358970A (en) | 2021-07-07 | 2021-07-07 | Self-recovery type detection device for overvoltage and undervoltage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110768737.8A CN113358970A (en) | 2021-07-07 | 2021-07-07 | Self-recovery type detection device for overvoltage and undervoltage protector |
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| Publication Number | Publication Date |
|---|---|
| CN113358970A true CN113358970A (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110768737.8A Pending CN113358970A (en) | 2021-07-07 | 2021-07-07 | Self-recovery type detection device for overvoltage and undervoltage protector |
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| CN (1) | CN113358970A (en) |
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