CN112739092A - Portable program-controlled current source voltage source - Google Patents
Portable program-controlled current source voltage source Download PDFInfo
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- CN112739092A CN112739092A CN202011525450.4A CN202011525450A CN112739092A CN 112739092 A CN112739092 A CN 112739092A CN 202011525450 A CN202011525450 A CN 202011525450A CN 112739092 A CN112739092 A CN 112739092A
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- 238000006243 chemical reaction Methods 0.000 claims description 6
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 7
- 238000004088 simulation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M3/00—Portable or wheeled frames or beds, e.g. for emergency power-supply aggregates, compressor sets
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
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Abstract
The invention provides a portable program control current source voltage source, which belongs to the technical field of mobile power supply equipment and comprises a shell, a handle, a first universal wheel, a supporting leg storage assembly and a conveying line storage assembly; the current source voltage source adopts STC5410AD single chip circuit and program design; according to the invention, the conveying wire with the jack at the end part is arranged in the conveying wire containing cavity, so that power can be supplied to an electric appliance far away from a power supply, and a power strip does not need to be additionally carried, so that the function is more comprehensive; the supporting legs can be accommodated by arranging the accommodating grooves on the two sides of the lower end face, so that the power supply can be conveniently placed when the power supply is idle; the power supply device can be pushed by fixedly connecting the supporting leg of the first universal wheel with the foot brake at the bottom end of the shell, so that the mobile power supply can move conveniently; the conveying electric wire accommodating cavity is formed in the shell, so that the conveying electric wires can be accommodated without being scattered.
Description
Technical Field
The invention belongs to the technical field of mobile power supply equipment, and particularly relates to a portable program control current source voltage source.
Background
With the development of society and technology, especially battery technology, a variety of mobile electronic devices have been introduced, which in turn enable a variety of life and work styles. Such as camping, field work, etc. The mobile power supply has very important function for camping and field operation. The mobile power supply has the mobile and portable performance, so that the field camping and field operation sites have very flexible selectivity. The existing mobile power supply technology is developed in the aspects of capacity and the like of a power supply, but the following technical problems still exist in the field use process of the existing mobile power supply and are to be solved.
The debugging of the current automatic system is also based on the actual connection of actual equipment, the simulation cannot be carried out, particularly, the sensor transmitters are more and more dispersed, and the simulation can be completed by matching a plurality of people, so that a simulation substitute capable of simulating the characteristics of the sensor in a full-range mode is particularly needed based on the current situation. The debugging of the automation system in foreign countries uses large-scale simulation equipment, which is expensive, and no practical portable product is available. Secondly, current portable power source does not possess the supplementary removal function, and the transport mode is mainly through portable or back of the body formula, because portable power source weight generally all is heavier, so adopt portable or back of the body formula to use not very convenient. Thirdly, current portable power source does not possess the electric wire and accomodates the function, and open-air use is inconvenient.
Disclosure of Invention
The present invention provides a portable program-controlled current source voltage source to solve the above technical problems.
A portable program control current source voltage source comprises a shell and a handle, wherein the current source voltage source comprises a first universal wheel, a supporting leg storage assembly and a conveying line storage assembly; a row of jacks are fixedly formed at the top end of the shell; a lifting handle is fixedly connected to the central position of the upper end face of the shell, supporting legs are respectively and fixedly connected to four corners of the bottom end of the shell, and the bottom ends of the supporting legs are fixedly connected with a first universal wheel with a foot brake; the left side and the right side of the lower surface of the shell are respectively provided with an accommodating groove which penetrates through the front side and the rear side of the shell, the rear side of the shell is provided with a conveying wire accommodating cavity, the shell is provided with a first through hole, the first through hole is connected with the conveying wire accommodating cavity, a pair of supporting seat plates are arranged inside the conveying wire accommodating cavity, the shell is also provided with a conveying wire in a matched manner, the free end of the conveying wire penetrates through the first through hole from the conveying wire accommodating cavity and is positioned outside the shell, and the free end of the conveying wire is provided with a jack; the current source and voltage source adopts STC5410AD single chip circuit and program design, and specifically comprises a microcontroller module, a direct current stabilized power supply module, a backup power supply, a liquid crystal display module, a digital-to-analog conversion module, an analog-to-digital conversion module, a keyboard module, current output and voltage output which interact with each other.
As a preferred technical scheme of the invention, the supporting leg storage assembly comprises a horizontal fixed shaft, a connecting plate and a limiting device; the fixed shaft is fixedly connected to one side of the accommodating groove, and the connecting plate is hinged to the other side of the accommodating groove; the limiting device comprises a limiting sleeve part and a movable sleeve part which are fixedly connected with each other, the movable sleeve part is movably sleeved on the fixed shaft, and the limiting sleeve part faces the connecting plate; one end of the fixed shaft facing the connecting plate is fixedly connected with a baffle plate for preventing the movable sleeve part from slipping off from the fixed shaft; the movable sleeve part is also fixedly connected with an adjusting handle exposed out of the accommodating groove.
As a preferred technical scheme of the present invention, the movable sleeve portion is fixedly connected with a clamping block, the highest position of the fixed shaft is provided with a clamping groove extending along the length direction of the fixed shaft, and the movable sleeve portion is clamped inside the clamping groove through the clamping block to realize the radial fixed connection with the fixed shaft.
As a preferable technical scheme of the invention, a spring is further sleeved on a region of the fixed shaft between the movable sleeve part and the shell, and when the spring is in a natural state, the limit sleeve part is sleeved on the connecting plate.
As a preferred technical scheme of the invention, an end face fixing seat of the connecting plate, which is positioned outside the accommodating groove, is connected with a second universal wheel with a foot brake, when the supporting leg is horizontally accommodated in the accommodating groove, one end of the connecting plate, which is fixedly connected with the second universal wheel, is vertical to the shell and faces downwards, and the second universal wheel is contacted with the ground; when the supporting legs are perpendicular to the shell, the second universal wheel horizontally leaks out of the accommodating groove.
As a preferred technical scheme of the invention, the conveyor line storage assembly comprises a winding shaft, a first gear, a first toothed plate and an electric telescopic rod, wherein two ends of the winding shaft respectively penetrate through a pair of support base plates in a rotating manner, an area of the winding shaft between the pair of support base plates is a conveying wire storage area, and one end of the winding shaft is fixedly sleeved with the first gear; the bottom end of the electric telescopic rod is fixedly connected to the bottom end of the conveying electric wire containing cavity, the top end of the electric telescopic rod is fixedly connected with a first toothed plate which is perpendicular to the bottom of the conveying electric wire containing cavity, and the first toothed plate is mutually meshed with the first gear.
As a preferred technical scheme of the invention, the support base plate is also rotatably supported with a screw, a movable sleeve is further sleeved on the region of the screw between the pair of support base plates, the top end of the movable sleeve is also fixedly connected with a limiting block, and a second through hole for passing a conveying wire is formed in the limiting block; one end of the screw is fixedly sleeved with a second gear; the top end of the electric telescopic rod is fixedly connected with a second toothed plate perpendicular to the bottom end of the electric wire conveying containing cavity, and the second gear is meshed with the second toothed plate; the lateral wall of the movable sleeve is fixedly connected with a sliding block, the shell is located in the area inside the conveying wire containing cavity, a horizontal sliding groove is formed in the area, and the sliding block is clamped inside the horizontal sliding groove.
As a preferable technical solution of the present invention, the screw and the spool are located at the same level, and the first through hole and the second through hole are located at the same level.
Compared with the prior art, the invention has the advantages that:
1. the product is widely applicable to the fields of automatic production, automatic control and automatic monitoring. The characteristics of various transmitters with standard signal output (4-20 MA) are completely simulated, and the working efficiency and the control precision of engineering technicians are greatly improved.
2. According to the invention, the conveying wire with the jack at the end part is arranged in the conveying wire containing cavity, so that power can be supplied to an electric appliance far away from a power supply, and a power strip does not need to be additionally carried, so that the function is more comprehensive; the supporting legs can be accommodated by arranging the accommodating grooves on the two sides of the lower end face, so that the power supply can be conveniently placed when the power supply is idle; the power supply device can be pushed by fixedly connecting the supporting leg of the first universal wheel with the foot brake at the bottom end of the shell, so that the mobile power supply can move conveniently; the conveying electric wire accommodating cavity is formed in the shell, so that the conveying electric wires can be accommodated without being scattered.
3. The invention mainly improves and embodies the addition of the connecting plate hinged with the shell, and can realize the random switching of the supporting legs in two states of storage and working; when the supporting legs are in a storage state, the second universal wheel fixedly connected to the connecting plate is in contact with the supporting surface and is clamped on the connecting plate through the limiting sleeve part to ensure that the connecting plate is always in a state of being perpendicular to the bottom end of the shell, and the power supply device is moved on a table top and the like; when the supporting leg is in a supporting state, the first universal wheel is in contact with the ground and is clamped on the connecting plate through the limiting sleeve part, so that the power supply device can stably move on the ground when the supporting leg is always in the supporting state; the clamping groove is additionally arranged on the fixed shaft, and the clamping block is additionally arranged on the movable sleeve part, so that the limiting sleeve part can be ensured to be always directly clamped on the phase of the connecting plate; the spring is arranged on the fixed shaft, so that the limiting sleeve part can be automatically clamped to the connecting plate and can be kept in a clamped state without loosening; the position of the movable sleeve part can be conveniently adjusted by arranging the adjusting handle.
4. The main improvement of the invention is that the winding shaft is rotatably connected on the pair of support seat plates, so that the conveying electric wire stored in the conveying electric wire storage cavity can be wound on the winding shaft, and the storage of the conveying electric wire is realized; the first toothed plate, the first gear and the electric telescopic rod are arranged, so that the automatic rotation and winding of the winding shaft can be realized, and the use is convenient; the second toothed plate and the second gear can drive the screw to automatically rotate; the movable sleeve is sleeved on the screw rod and clamped on the shell through the sliding block, the movable sleeve can horizontally move at a constant speed along with the rotating screw rod, the movable sleeve drives the movable sleeve to horizontally move, and then the conveying electric wires are uniformly distributed on the winding shaft.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic structural view of the support leg of the present invention in an operating state;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 3;
FIG. 5 is a schematic structural view (a sectional view is shown in a partial region in the figure) of the support leg of the present invention in a stowed state;
FIG. 6 is an enlarged view of the structure at C in FIG. 5;
FIG. 7 is an enlarged view of the structure at D in FIG. 5;
FIG. 8 is an enlarged view of the structure at E in FIG. 5;
fig. 9 is an enlarged view of the structure at F in fig. 6.
Wherein, 1-shell, 2-handle, 3-universal wheel I, 4-supporting leg, 5-supporting leg containing component, 501-fixed shaft, 502-connecting plate, 503-limiting device, 503A-limiting sleeve part, 503B-movable sleeve part, 504-baffle, 505-adjusting handle, 506-clamping block, 507-clamping groove, 508-spring, 509-universal wheel II, 6-conveying line containing component, 601-winding shaft, 602-gear I, 603-toothed plate I, 604-electric telescopic rod, 605-screw, 606-movable sleeve, 607-limiting block, 608-through hole II, 609-gear II, 610-toothed plate II, 611-slide block, 612-horizontal sliding groove, 7-jack, 8-containing groove, 9-one through hole, 10-support seat plate, 11-transmission wire.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1 to 9, in conjunction with the embodiments.
Example 1
A portable program-controlled current source voltage source is designed by adopting an STC5410AD single-chip microcomputer circuit and a program, and specifically comprises a microcontroller module, a direct-current stabilized power supply module, a backup power supply, a liquid crystal display module, a digital-to-analog conversion module, an analog-to-digital conversion module, a keyboard module, current output and voltage output which interact with each other, as shown in figure 1.
Example 2
a portable program control current source voltage source is shown in figure 1, and a sampling device comprises a shell 1 and a handle 2 and is characterized in that the current source voltage source comprises a universal wheel I3, a supporting leg 4, a supporting leg containing assembly 5 and a conveying line containing assembly 6; a row of jacks 7 are fixedly formed at the top end of the shell 1; a lifting handle 2 is fixedly connected to the central position of the upper end face of the shell 1, four corners of the bottom end of the shell 1 are respectively and fixedly connected with a supporting leg 4, and the bottom end of each supporting leg 4 is fixedly connected with a universal wheel I3 with a foot brake; the left side and the right side of the lower surface of the shell 1 are respectively provided with an accommodating groove 8 penetrating through the front side and the rear side of the shell 1, the rear side of the shell 1 is provided with a conveying wire accommodating cavity, the shell 1 is provided with a first through hole 9, the first through hole 9 is connected with the conveying wire accommodating cavity, a pair of supporting seat plates 10 are arranged inside the conveying wire accommodating cavity, the shell 1 is also provided with a conveying wire 11 in a matching way, the free end of the conveying wire 11 penetrates through the first through hole 9 from the conveying wire accommodating cavity to be located outside the shell 1, and the free end of the conveying wire 11 is provided;
according to the invention, the conveying wire 11 with the jack 7 arranged at the end part is arranged on the shell 1, so that power can be supplied to an electric appliance far away from a power supply, and the power strip does not need to be carried additionally; the conveying electric wire 11 is directly accommodated in the conveying electric wire accommodating cavity when not in use; the lifting handle 2 is pushed, and the shell 1 moves on the ground under the combined action of the supporting legs 4 and the first universal wheels 3.
Example 3
a portable program-controlled current source voltage source is disclosed, as shown in figures 2-4 and 7-8, a sampling device comprises a shell 1 and a handle 2, and is characterized in that the current source voltage source comprises a universal wheel I3, a supporting leg 4, a supporting leg storage assembly 5 and a conveying line storage assembly 6; a row of jacks 7 are fixedly formed at the top end of the shell 1; a lifting handle 2 is fixedly connected to the central position of the upper end face of the shell 1, four corners of the bottom end of the shell 1 are respectively and fixedly connected with a supporting leg 4, and the bottom end of each supporting leg 4 is fixedly connected with a universal wheel I3 with a foot brake; the left side and the right side of the lower surface of the shell 1 are respectively provided with an accommodating groove 8 penetrating through the front side and the rear side of the shell 1, the rear side of the shell 1 is provided with a conveying wire accommodating cavity, the shell 1 is provided with a first through hole 9, the first through hole 9 is connected with the conveying wire accommodating cavity, a pair of supporting seat plates 10 are arranged inside the conveying wire accommodating cavity, the shell 1 is also provided with a conveying wire 11 in a matching way, the free end of the conveying wire 11 penetrates through the first through hole 9 from the conveying wire accommodating cavity to be located outside the shell 1, and the free end of the conveying wire 11 is provided;
the supporting leg accommodating assembly 5 comprises a horizontal fixed shaft 501, a connecting plate 502 and a limiting device 503; the fixed shaft 501 is fixedly connected to one side of the accommodating groove 8, and the connecting plate 502 is hinged to the other side of the accommodating groove 8; the limiting device 503 comprises a limiting sleeve part (503A) and a movable sleeve part 503B which are fixedly connected with each other, the movable sleeve part 503B is provided on the fixed shaft 501, the limiting sleeve part (503A) faces the connecting plate 502, and the movable sleeve part 503B is also fixedly connected with an adjusting and adjusting handle (505)505 which is exposed out of the accommodating groove 8; a horizontal sliding groove 612 extending along the axial direction is formed in the fixed shaft 501, a clamping block 506 is fixedly connected to the movable sleeve part 503B, and the movable sleeve part 503B is clamped inside the clamping groove 507 through the clamping block 506 to be fixedly connected with the fixed shaft 501 along the radial direction; a baffle plate 504 for preventing the movable sleeve part 503B from slipping off the fixed shaft 501 is fixedly connected to one end of the fixed shaft 501 facing the connecting plate 502; the fixed shaft 501 is also sleeved with a spring 508 in the area between the movable sleeve part 503B and the shell 1, and when the spring 508 is in a natural state, the limiting sleeve part (503A) is sleeved on the connecting plate 502. The end face fixing seat of the connecting plate 502, which is positioned outside the accommodating groove 8, is connected with a second universal wheel 509 with a foot brake, when the supporting leg 4 is horizontally accommodated in the accommodating groove 8, one end of the connecting plate 502, which is fixedly connected with the second universal wheel 509, is vertical to the shell 1 and faces downwards, and the second universal wheel 509 is in contact with the ground; when the supporting leg 4 is perpendicular to the housing 1, the second universal wheel 509 horizontally leaks out of the accommodating groove 8.
The connecting plate 502 is hinged to the shell 1, the supporting leg 4 can be rotated to be in a horizontal or vertical state, when the supporting leg 4 is in the vertical state, the first universal wheel 3 at the bottom end of the supporting leg 4 is in contact with the ground, and the limiting sleeve part (503A) is clamped on the connecting plate 502 under the action of the spring 508 to ensure that the supporting leg 4 is always in the vertical state; the power supply device can move on the ground by pushing the handle 2; when the supporting leg 4 is in a horizontal state, the second universal wheel 509 lands, the limiting sleeve part (503A) is clamped on the connecting plate 502 under the action force of the spring 508 to ensure that the connecting plate 502 is always in a vertical state, and the lifting handle 2 is pushed to move at a higher position such as a desktop.
Example 4
A portable program-controlled current source voltage source is shown in figures 2-9, and a sampling device comprises a shell 1 and a handle 2, and is characterized in that the current source voltage source comprises a universal wheel I3, a supporting leg 4, a supporting leg storage assembly 5 and a conveying line storage assembly 6; a row of jacks 7 are fixedly formed at the top end of the shell 1; a lifting handle 2 is fixedly connected to the central position of the upper end face of the shell 1, four corners of the bottom end of the shell 1 are respectively and fixedly connected with a supporting leg 4, and the bottom end of each supporting leg 4 is fixedly connected with a universal wheel I3 with a foot brake; the left side and the right side of the lower surface of the shell 1 are respectively provided with an accommodating groove 8 penetrating through the front side and the rear side of the shell 1, the rear side of the shell 1 is provided with a conveying wire accommodating cavity, the shell 1 is provided with a first through hole 9, the first through hole 9 is connected with the conveying wire accommodating cavity, a pair of supporting seat plates 10 are arranged inside the conveying wire accommodating cavity, the shell 1 is also provided with a conveying wire 11 in a matching way, the free end of the conveying wire 11 penetrates through the first through hole 9 from the conveying wire accommodating cavity to be located outside the shell 1, and the free end of the conveying wire 11 is provided;
the supporting leg accommodating assembly 5 comprises a horizontal fixed shaft 501, a connecting plate 502 and a limiting device 503; the fixed shaft 501 is fixedly connected to one side of the accommodating groove 8, and the connecting plate 502 is hinged to the other side of the accommodating groove 8; the limiting device 503 comprises a limiting sleeve part (503A) and a movable sleeve part 503B which are fixedly connected with each other, the movable sleeve part 503B is provided on the fixed shaft 501, the limiting sleeve part (503A) faces the connecting plate 502, and the movable sleeve part 503B is also fixedly connected with an adjusting and adjusting handle (505)505 which is exposed out of the accommodating groove 8; a horizontal sliding groove 612 extending along the axial direction is formed in the fixed shaft 501, a clamping block 506 is fixedly connected to the movable sleeve part 503B, and the movable sleeve part 503B is clamped inside the clamping groove 507 through the clamping block 506 to be fixedly connected with the fixed shaft 501 along the radial direction; a baffle plate 504 for preventing the movable sleeve part 503B from slipping off the fixed shaft 501 is fixedly connected to one end of the fixed shaft 501 facing the connecting plate 502; the fixed shaft 501 is also sleeved with a spring 508 in the area between the movable sleeve part 503B and the shell 1, and when the spring 508 is in a natural state, the limiting sleeve part (503A) is sleeved on the connecting plate 502. The end face fixing seat of the connecting plate 502, which is positioned outside the accommodating groove 8, is connected with a second universal wheel 509 with a foot brake, when the supporting leg 4 is horizontally accommodated in the accommodating groove 8, one end of the connecting plate 502, which is fixedly connected with the second universal wheel 509, is vertical to the shell 1 and faces downwards, and the second universal wheel 509 is in contact with the ground; when the supporting leg 4 is perpendicular to the housing 1, the second universal wheel 509 horizontally leaks out of the accommodating groove 8.
The conveying line containing assembly 6 comprises a winding shaft 601, a first gear 602, a first toothed plate 603 and an electric telescopic rod 604, two ends of the winding shaft 601 respectively penetrate through the pair of support seat plates 10 in a rotating mode, the area, located between the pair of support seat plates 10, of the winding shaft 601 is a containing area for conveying the electric wire 11, and the first gear 602 is fixedly sleeved at one end of the winding shaft 601; the bottom end of the electric telescopic rod 604 is fixedly connected to the bottom end of the conveying wire containing cavity, the top end of the electric telescopic rod 604 is fixedly connected with a first toothed plate 603 perpendicular to the bottom of the conveying wire containing cavity, and the first toothed plate 603 is meshed with the first gear 602; the pair of support base plates 10 are also rotatably supported with screw rods 605 which have the same height as the winding shaft 601, the movable sleeve 606 is further sleeved on the region of the screw rods 605 between the pair of support base plates 10, the top end of the movable sleeve 606 is also fixedly connected with a limiting block 607, and a through hole II 608 which has the same height as the through hole I9 and is used for allowing the conveying electric wire 11 to pass through is formed in the limiting block 607; one end of the screw 605 is fixedly sleeved with a second gear 609; the top end of the electric telescopic rod 604 is fixedly connected with a second toothed plate 610 vertical to the bottom end of the electric wire conveying containing cavity, and the second gear 609 is meshed with the second toothed plate 610; the side wall of the movable sleeve 606 is fixedly connected with a sliding block 611, a horizontal sliding groove 612 is formed in the area, located inside the conveying wire containing cavity, of the shell 1, and the sliding block 611 is clamped inside the horizontal sliding groove 612.
The electric telescopic rod 604 moves up and down in a direction perpendicular to the bottom end direction of the wire conveying storage cavity to drive the first toothed plate 603 and the second toothed plate 610 to move upwards, and the first toothed plate 603 and the second toothed plate 610 realize synchronous rotation of the screw 605 and the winding shaft 601 through the first meshing gear 602 and the second meshing gear 609 respectively; the movable sleeve 606 is sleeved on the screw 605 and clamped inside the clamping groove 507 through the sliding block 611 to horizontally slide along the rotating screw 605; the limiting block 607 fixedly connected to the top of the movable sleeve 606 horizontally slides along with the movable sleeve 606, and the conveying electric wire 11 passes through the second through hole 608 and then passes through the first through hole 9, so that the conveying electric wire 11 is uniformly wound on the winding shaft 601 along with the horizontal movement of the limiting block 607.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A portable program-controlled current source voltage source comprises a shell (1) and a handle (2), and is characterized in that the current source voltage source comprises a first universal wheel (3), a supporting leg (4), a supporting leg accommodating assembly (5) and a conveying line accommodating assembly (6); a row of jacks (7) are fixedly formed at the top end of the shell (1); a handle (2) is fixedly connected to the center of the upper end face of the shell (1), four corners of the bottom end of the shell (1) are respectively and fixedly connected with a supporting leg (4), and the bottom end of each supporting leg (4) is fixedly connected with a first universal wheel (3) with a foot brake; the left side and the right side of the lower surface of the shell (1) are respectively provided with a containing groove (8) penetrating through the front side and the rear side of the shell (1), the rear side of the shell (1) is provided with a conveying wire containing cavity, the shell (1) is provided with a first through hole (9), the first through hole (9) is connected with the conveying wire containing cavity, a pair of support base plates (10) are arranged in the conveying wire containing cavity, the shell (1) is also provided with a conveying wire (11) in a matched manner, the free end of the conveying wire (11) penetrates through the first through hole (9) from the conveying wire containing cavity and is positioned outside the shell (1), and the free end of the conveying wire (11) is provided with a jack (7); the current source and voltage source adopts STC5410AD single chip circuit and program design, and specifically comprises a microcontroller module, a direct current stabilized power supply module, a backup power supply, a liquid crystal display module, a digital-to-analog conversion module, an analog-to-digital conversion module, a keyboard module, current output and voltage output which interact with each other.
2. A portable program controlled current source voltage source according to claim 1, characterized in that the support leg receiving assembly (5) comprises a horizontal fixed shaft (501), a connection plate (502) and a stop means (503); the fixed shaft (501) is fixedly connected to one side of the accommodating groove (8), and the connecting plate (502) is hinged to the other side of the accommodating groove (8); the limiting device (503) comprises a limiting sleeve part (503A) and a movable sleeve part (503B) which are fixedly connected with each other, the movable sleeve (606) of the movable sleeve part (503B) is arranged on the fixed shaft (501), and the limiting sleeve part (503A) faces the connecting plate (502); one end of the fixed shaft (501) facing the connecting plate (502) is fixedly connected with a baffle plate (504) for preventing the movable sleeve part (503B) from slipping off from the fixed shaft (501); the movable sleeve part (503B) is also fixedly connected with an adjusting handle (505) exposed out of the accommodating groove (8).
3. The portable program-controlled current and voltage source according to claim 1, wherein a clamping block (506) is fixedly connected to the movable sleeve portion (503B), a clamping groove (507) extending along the length direction of the fixed shaft (501) is formed at the highest position of the fixed shaft (501), and the movable sleeve portion (503B) is clamped inside the clamping groove (507) through the clamping block (506) to be fixedly connected with the fixed shaft (501) in the radial direction.
4. The portable program-controlled current source voltage source according to claim 1, wherein the fixed shaft (501) is further sleeved with a spring (508) in a region between the movable sleeve portion (503B) and the housing (1), and when the spring (508) is in a natural state, the limiting sleeve portion (503A) is sleeved on the connecting plate (502).
5. The portable program-controlled current source voltage source according to claim 1, wherein the end face fixing seat of the connecting plate (502) located outside the receiving groove (8) is connected with a second universal wheel (509) with a foot brake, when the supporting leg (4) is horizontally received in the receiving groove (8), one end of the connecting plate (502) fixedly connected with the second universal wheel (509) is perpendicular to the housing (1) and faces downwards, and the second universal wheel (509) is in contact with the ground; when the supporting legs (4) are perpendicular to the shell (1), the second universal wheel (509) horizontally leaks out of the accommodating groove (8).
6. The portable program-controlled current source voltage source according to claim 1, wherein the conveying line receiving assembly (6) comprises a winding shaft (601), a first gear (602), a first toothed plate (603) and an electric telescopic rod (604), two ends of the winding shaft (601) respectively penetrate through a pair of support base plates (10) in a rotating manner, an area of the winding shaft (601) between the pair of support base plates (10) is a conveying line (11) receiving area, and one end of the winding shaft (601) is fixedly sleeved with the first gear (602); the bottom end of the electric telescopic rod (604) is fixedly connected to the bottom end of the conveying wire containing cavity, the top end of the electric telescopic rod (604) is fixedly connected with a first toothed plate (603) perpendicular to the bottom of the conveying wire containing cavity, and the first toothed plate (603) is mutually meshed with the first gear (602).
7. The portable program-controlled current and voltage source according to claim 3, wherein a screw (605) is rotatably supported on the pair of support base plates (10), a movable sleeve (606) is further sleeved on a region of the screw (605) between the pair of support base plates (10), a limit block (607) is further fixedly connected to the top end of the movable sleeve (606), and a second through hole (608) for passing the transmission wire (11) is formed in the limit block (607); one end of the screw rod (605) is fixedly sleeved with a second gear (609); the top end of the electric telescopic rod (604) is fixedly connected with a second toothed plate (610) perpendicular to the bottom end of the electric wire conveying containing cavity, and the second gear (609) is meshed with the second toothed plate (610); the side wall of the movable sleeve (606) is fixedly connected with a sliding block (611), a horizontal sliding groove (612) is formed in the area, located inside the conveying wire containing cavity, of the shell (1), and the sliding block (611) is clamped inside the horizontal sliding groove (612).
8. A portable program controlled current source voltage source according to claim 3, characterized in that the screw (605) is at the same level as the bobbin (601), and the first (9) and second (608) holes are at the same level.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011525450.4A CN112739092B (en) | 2020-12-22 | 2020-12-22 | Portable program-controlled current source voltage power supply |
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| CN202011525450.4A CN112739092B (en) | 2020-12-22 | 2020-12-22 | Portable program-controlled current source voltage power supply |
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| CN112739092B (en) | 2022-03-18 |
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