CN116990568B - Waterproof ammeter convenient to detach - Google Patents

Waterproof ammeter convenient to detach Download PDF

Info

Publication number
CN116990568B
CN116990568B CN202311245710.6A CN202311245710A CN116990568B CN 116990568 B CN116990568 B CN 116990568B CN 202311245710 A CN202311245710 A CN 202311245710A CN 116990568 B CN116990568 B CN 116990568B
Authority
CN
China
Prior art keywords
ammeter
air outlet
box
side wall
waterproof
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202311245710.6A
Other languages
Chinese (zh)
Other versions
CN116990568A (en
Inventor
刘春华
张平
周材金
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Star Instrument Co ltd
Original Assignee
Shenzhen Star Instrument Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Star Instrument Co ltd filed Critical Shenzhen Star Instrument Co ltd
Priority to CN202311245710.6A priority Critical patent/CN116990568B/en
Publication of CN116990568A publication Critical patent/CN116990568A/en
Application granted granted Critical
Publication of CN116990568B publication Critical patent/CN116990568B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02Constructional details
    • G01R11/04Housings; Supporting racks; Arrangements of terminals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02Constructional details
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/20409Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
    • H05K7/20418Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing the radiating structures being additional and fastened onto the housing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention relates to the technical field of electric meters, in particular to a waterproof electric meter convenient to detach, which comprises an electric meter box and an electric meter body, wherein a box door for switching the electric meter box is arranged on the side wall of the electric meter box; two substrates are fixedly arranged on the back of the ammeter body, two hollow connecting columns are fixedly arranged on the side walls, far away from the ammeter body, of the two substrates, and sucking discs are arranged at the ends, far away from the substrates, of the two connecting columns; the two connecting columns are symmetrically arranged on the horizontal central axis of the substrate; two L-shaped air outlet passages are further arranged in the substrate, the end parts of the two air outlet passages are respectively communicated with the inside of the two connecting columns, and the end parts, far away from the connecting columns, of the air outlet passages close to the top of the substrate are communicated with the outside of the substrate. This waterproof ammeter only need press simultaneously and press depression bar and connecting rod one and make in the sucking disc be negative pressure state to realize fixing and dismantling the ammeter body, simple structure, convenient operation, and ammeter body back fretwork, make ammeter body back also can normally dispel the heat, improved the security.

Description

Waterproof ammeter convenient to detach
Technical Field
The invention relates to the technical field of electric meters, in particular to a waterproof electric meter convenient to detach.
Background
The ammeter is short for electric energy meter, is an instrument for measuring electric energy, also called an ammeter, a fire meter, an electric energy meter and a kilowatt hour meter, and refers to an instrument for measuring various electric quantities, and is usually matched with an ammeter box for use, especially for some rural buildings, the ammeter is usually arranged on the outer wall of the building, so that the ammeter box can play a role of waterproof protection; when the ammeter is matched with the ammeter box for use, the ammeter box is fixed on a wall, and the ammeter is arranged in the ammeter box; in order to facilitate the inspection of the electric meter, the electric meter and the electric meter box are often arranged to be detachably connected.
Chinese patent (CN 215375549U) discloses a waterproof ammeter and ammeter case that outdoor convenient to use dismantles, and this ammeter is through setting up four fixed orificess on the base plate, then inserts fixed inserted bar in the fixed orificess for rack lateral shifting, shielding the inserted bar, thereby realizing fixing to the ammeter, when the ammeter is taken out to overhaul, only need make the rack reverse movement for the inserted bar exposes, then take out the inserted bar and can tear down the ammeter.
Chinese patent (CN 112426183 a) also discloses a waterproof ammeter of convenient dismantlement, and this ammeter is fixed the ammeter through setting up L type and compresses tightly frame, L type mount and L type carriage jointly, and wherein L type mount and L type carriage are all portable to the realization is fixed the ammeter of equidimension not.
The common problem of the two structures is that the disassembly and assembly are complicated, the disassembly and assembly steps of the structure of CN215375549U are at least two steps, firstly, the inserting rods are required to be inserted one by one, and secondly, the gears are required to be rotated; CN112426183a also requires at least two steps, one is to place the waterproof meter on the fixing device, and then adjust the L-shaped sliding frame and the L-shaped pressing frame to fix the meter. Secondly, two kinds of ammeter are because the back is hugged closely ammeter case or fixed knot and is constructed, lead to ammeter case back heat dissipation relatively poor, and the ammeter incasement is easy to form high temperature environment, has certain potential safety hazard.
In this regard, the applicant has devised a waterproof electricity meter which can be disassembled with only one operation.
Disclosure of Invention
The invention aims to provide the waterproof ammeter convenient to detach, and the waterproof ammeter only needs to simultaneously press the pressing rod and the connecting rod to enable the inside of the sucker to be in a negative pressure state, so that the ammeter body is fixed and detached, the structure is simple, the operation is convenient, the back of the ammeter body is hollowed out, the back of the ammeter body can normally dissipate heat, and the safety is improved.
The waterproof ammeter convenient to detach is realized in such a way, and comprises an ammeter box and an ammeter body, wherein the side wall of the ammeter box is provided with a box door for switching the ammeter box; two substrates are fixedly arranged on the back of the ammeter body, two hollow connecting columns are fixedly arranged on the side walls, far away from the ammeter body, of the two substrates, and sucking discs are arranged at the ends, far away from the substrates, of the two connecting columns; the two connecting columns are symmetrically arranged on the horizontal central axis of the substrate; the substrate is internally provided with two L-shaped air outlet passages, the end parts of the two air outlet passages are respectively communicated with the interiors of the two connecting columns, and the end part, far away from the connecting columns, of the air outlet passage close to the top of the substrate is communicated with the exterior of the substrate; the end part of the air outlet passage close to the bottom of the substrate, which is far away from the connecting column, is a blind end;
two groups of side cavities are also arranged in the substrate, the number of each group of side cavities is multiple, the two groups of side cavities are circumferentially arranged around the vertical section of the air outlet passage and are communicated with the vertical section of the air outlet passage, and negative pressure mechanisms are arranged in the two air outlet passages and the two groups of side cavities; the negative pressure mechanism close to the top of the substrate is provided with a pushing piece for pushing the negative pressure mechanism to slide; a first connecting rod for connecting the pushing pieces corresponding to the two base plates is arranged between the pushing pieces;
the negative pressure mechanism comprises a piston, a plurality of reset blocks and a plurality of springs; the piston is arranged in the air outlet passage and slides along the vertical direction of the air outlet passage, and the piston is connected with the air outlet passage in a sliding manner; the reset blocks are fixedly arranged on the side wall of the piston, are respectively arranged in the side cavities and are in sealed sliding connection with the side cavities; one end of the spring is fixedly connected with the reset block, and the other end of the spring is fixedly connected with the end part of the side cavity; and a reverse transmission mechanism is arranged between the reset blocks corresponding to the two negative pressure mechanisms and is used for driving the negative pressure mechanism close to the bottom of the substrate.
Further, the reverse transmission mechanism comprises two connecting rods II, two racks, a gear, a rotating rod and two bearings; a rotary cavity is arranged between the two air outlet passages in the substrate, two ends of the rotary rod are fixedly connected with inner rings of two bearings respectively, and the bearings are arranged on the side wall of the rotary cavity; the gear is fixedly sleeved on the rotating rod, and the two racks are respectively positioned at two sides of the gear and meshed with the gear; the second connecting rods are fixedly connected with the end parts of the racks respectively, and the end parts of the second connecting rods, which are far away from the racks, are fixedly connected with reset blocks of the two negative pressure mechanisms respectively; the second connecting rod is in sealing sliding connection with the base plate, and the rack is positioned in the rotating cavity.
Further, the pushing member includes a push rod and a pressing rod; the bottom of push rod and the top fixed connection of piston, the top of push rod and the bottom fixed connection of pressing the pole, the lateral wall of pressing the pole and connecting rod one fixed connection.
Further, the ammeter case is kept away from the fixed four spacing barrels that are equipped with on the inside wall of chamber door, the internal diameter size of spacing barrel matches with the sucking disc size and makes the sucking disc can insert in the spacing barrel.
Further, a plurality of heat pipes are detachably arranged on the side wall of the electric meter box along the height direction, the heat pipes are horizontally arranged, the heat absorption end of each heat pipe is positioned inside the electric meter box, the heat dissipation end of each heat pipe is positioned outside the electric meter box, and a plurality of temperature sensors are fixedly arranged at the bottom of the inner side of the electric meter box.
Further, the outer side wall of the heat pipe is connected with the electric meter box in a threaded mode, a knob is arranged at the heat dissipation end of the heat pipe, and a radiating fin is arranged on the side wall of the heat dissipation end of the heat pipe.
Further, be equipped with the water collector on the inside wall of ammeter case, the water collector sets up in the hot pipe and absorbs the department under the end, the bottom of water collector is equipped with the drain pipe, the bottom and the ammeter outside intercommunication of case of drain pipe.
Further, the water pan is obliquely arranged along the length direction, and the liquid outlet pipe is arranged at the lowest position of the bottom of the water pan.
Further, the side wall of the box door, which is close to the electric meter box, is provided with an annular sealing strip, and the box door is connected with the electric meter box in a buckling manner.
Further, the electric meter box is further provided with a sealing plug, the sealing plug is the same as the heat pipe in size and is used for blocking a through hole at the plugging position of the electric meter box and the heat pipe.
Compared with the prior art, the invention has the following beneficial effects:
1. the air outlet channel in the substrate is communicated with the suction disc through the connecting column, meanwhile, the piston and the reset block are respectively arranged in the side cavity and the air outlet channel in a sliding manner, in addition, a reverse transmission mechanism is arranged between the reset blocks of the upper negative pressure mechanism and the lower negative pressure mechanism, the reset block is also connected with the spring, so that negative pressure is formed in all the suction discs under the action of the pulling force of the spring only by pressing the pressing rod and the first connecting rod, the waterproof ammeter can be fixed on the inner side wall of the ammeter box, the disassembly process is simple to operate, a certain space is reserved between the back surface of the ammeter body and the side wall of the ammeter box, and the radiating effect of the ammeter body is improved;
2. two racks are arranged on two sides of the gear and meshed with the gear, so that the two racks can move reversely, and the two groups of negative pressure mechanisms can move reversely;
3. the heat pipe is arranged on the side wall of the electric meter box, the heat absorbing end and the heat radiating end of the heat pipe are respectively arranged on the inner side and the outer side of the electric meter box, so that the heat pipe can absorb heat generated by the electric meter box body to cool the interior of the electric meter box, meanwhile, the water receiving disc is arranged right below the heat pipe, and condensed water generated by the heat absorbing end of the heat pipe drops on the water receiving disc and flows out of the electric meter box through the liquid outlet pipe, and meanwhile, the effect of reducing the humidity in the electric meter box is achieved; in addition, the heat pipe is adopted to refrigerate the ammeter box, no electric quantity is needed, and meanwhile, the interior of the ammeter box is in a sealed state, so that rainwater is prevented from entering the ammeter box in rainy days;
4. the heat pipes are connected with the electric meter box in a threaded mode, and the positions of the connecting holes can be rotationally connected with the sealing plugs, so that the number of the heat pipes can be adjusted according to the ambient temperature, the temperature inside the electric meter box is always kept at a proper working temperature, the connecting holes without the heat pipes are sealed through the sealing plugs, external rainwater is prevented from entering the electric meter box, and meanwhile, the cooling capacity in the electric meter box is prevented from being scattered from the positions of the connecting holes;
5. the knob is arranged on the radiating end of the heat pipe, meanwhile, the radiating fins are further arranged on the side wall, and workers can install and detach the heat pipe by twisting the knob, so that the radiating fins can be prevented from cutting fingers of the workers.
Drawings
Fig. 1 is a front cross-sectional view of a waterproof electricity meter that is convenient to disassemble according to an embodiment of the present invention;
FIG. 2 is a side cross-sectional view of a waterproof electricity meter that is convenient to disassemble provided by an embodiment of the present invention;
FIG. 3 is a cross-sectional view at A-A in FIG. 2;
fig. 4 is an enlarged view at B in fig. 2;
fig. 5 is an enlarged view at C in fig. 2;
FIG. 6 is an enlarged view at A in FIG. 3;
fig. 7 is a rear view of a base plate and an ammeter body provided in an embodiment of the present invention.
Reference numerals referred to in the above figures:
1. an ammeter box; 2. a heat pipe; 3. a heat sink; 4. a knob; 5. a water receiving tray; 6. a temperature sensor; 7. an ammeter body; 8. a sealing plug; 9. a substrate; 10. a first connecting rod; 11. pressing a pressing rod; 12. a limiting cylinder; 13. a connecting column; 14. a suction cup; 15. an air outlet passage; 16. a liquid outlet pipe; 17. a door; 18. a side cavity; 19. a rotating chamber; 20. a push rod; 21. a piston; 22. a rotating lever; 23. a reset block; 24. a spring; 25. a gear; 26. a bearing; 27. a second connecting rod; 28. a rack.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The implementation of the present invention will be described in detail below with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-7, a preferred embodiment of the present invention is provided.
The waterproof ammeter convenient to detach comprises an ammeter box 1 and an ammeter body 7, wherein the side wall of the ammeter box 1 is connected with a box door 17 for switching the ammeter box 1 in a hinge manner; in order to ensure the tightness of the position of the box door 17, in the embodiment, an annular sealing strip is arranged on the side wall of the box door 17 close to the electric meter box 1, and the box door 17 is connected with the electric meter box 1 in a buckling manner; the back of the ammeter body 7 is fixedly provided with two base plates 9, as shown in fig. 2, the side walls of the two base plates 9 far away from the ammeter body 7 are fixedly provided with two hollow connecting columns 13, the end parts of the two connecting columns 13 far away from the base plates 9 are fixedly provided with suckers 14, and the inside of each sucker 14 is communicated with the inside of each connecting column 13; the two connecting columns 13 are symmetrically arranged up and down along the horizontal central axis of the base plate 9; two L-shaped air outlet passages 15 are further formed in the substrate 9, the end parts of the two air outlet passages 15 are respectively communicated with the interiors of the two connecting columns 13, and as shown in fig. 4, the end parts, far away from the connecting columns 13, of the air outlet passages 15 close to the top of the substrate 9 are communicated with the exterior of the substrate 9; the end of the air outlet passage 15 close to the bottom of the base plate 9, which is far away from the connecting column 13, is a blind end;
as shown in fig. 4, two sets of side cavities 18 are further formed in the substrate 9, in this embodiment, the number of each set of side cavities 18 is two, the two side cavities 18 are respectively installed at two sides of the air outlet passage 15 and are communicated with the air outlet passage 15, and negative pressure mechanisms are installed in the two air outlet passages 15 and the two sets of side cavities 18; a pushing piece for pushing the negative pressure mechanism to slide is fixedly arranged near the top of the base plate 9; a first connecting rod 10 for connecting the pushing parts corresponding to the two base plates 9 is fixedly arranged between the pushing parts;
the negative pressure mechanism comprises a piston 21, two reset blocks 23 and two springs 24; the piston 21 is arranged in the air outlet passage 15 and slides along the vertical direction of the air outlet passage 15, and the piston 21 is connected with the air outlet passage 15 in a sealing sliding manner; the two reset blocks 23 are fixedly arranged on the side wall of the piston 21, the two reset blocks 23 are respectively arranged in the two side cavities 18, and the reset blocks 23 are in sealed sliding connection with the side cavities 18; one end of the spring 24 is fixedly connected with the reset block 23, the other end of the spring 24 is fixedly connected with the end part of the side cavity 18, and in an initial state, the spring 24 is in a normal state, and when the spring 24 is pushed downwards, the spring 24 always generates a pulling force; a reverse transmission mechanism is arranged between the reset blocks 23 corresponding to the two negative pressure mechanisms, and the reverse transmission mechanism is used for driving the negative pressure mechanism close to the bottom of the substrate 9.
The preferred reverse transmission mechanism of this embodiment comprises two connecting rods two 27, two racks 28, a gear 25, a rotating rod 22 and two bearings 26; as shown in fig. 5 and 6, a rotating chamber 19 is arranged between the two air outlet passages 15 in the substrate 9, and the rotating chamber 19 is the same as the two air outlet passages 15; two ends of the rotating rod 22 are fixedly connected with inner rings of two bearings 26 respectively, and the bearings 26 are fixedly arranged on the side wall of the rotating chamber 19; the gear 25 is fixedly sleeved on the rotating rod 22, and two racks 28 are respectively positioned at two sides of the gear 25 and meshed with the gear 25; the two second connecting rods 27 are fixedly connected with the end parts of the racks 28 respectively, and the end parts of the two second connecting rods 27, which are far away from the racks 28, are fixedly connected with the reset blocks 23 of the two negative pressure mechanisms respectively; the second connecting rod 27 is in sliding connection with the base plate 9 in a sealing manner, the rack 28 is positioned in the rotating chamber 19, and when the rack 28 on the left side moves downwards in fig. 6, the rack 28 on the right side moves upwards by the rotation of the gear 25, so that the piston 21 on the lower side moves upwards.
Preferably, the pushing member includes a push rod 20 and a pressing rod 11; as shown in fig. 3, the bottom of the push rod 20 is fixedly connected with the top of the piston 21, the top of the push rod 20 is fixedly connected with the bottom of the pressing rod 11, and the side wall of the pressing rod 11 is fixedly connected with the first connecting rod 10.
In this embodiment, preferably, four limiting barrels 12 are fixedly installed on the inner side wall of the electric meter box 1 far away from the box door 17, the specific distance between the four limiting barrels 12 corresponds to the distance between the four suckers 14, and the inner diameter size of the limiting barrels 12 is matched with the size of the suckers 14, so that the four suckers 14 can be respectively inserted into the four limiting barrels 12.
In this embodiment, preferably, a plurality of heat pipes 2 are detachably installed on the side wall of the electric meter box 1 along the height direction, the plurality of heat pipes 2 are all horizontally installed on the side wall of the electric meter box 1, the heat absorption end of the heat pipe 2 is located inside the electric meter box 1, the heat dissipation end of the heat pipe 2 is located outside the electric meter box 1, and a plurality of temperature sensors 6 are fixedly installed at the bottom of the inner side of the electric meter box 1; the heat pipe 2 can absorb heat generated by the ammeter body 7, meanwhile, the temperature in the ammeter box 1 can be maintained, the ammeter body 7 can work in an optimal temperature range, and the problems of inaccurate ammeter measurement and the like caused by high temperature are avoided.
In the preferred embodiment, the outer side wall of the heat pipe 2 is connected with the electricity meter box 1 in a threaded manner, the knob 4 is fixedly arranged at the heat dissipation end of the heat pipe 2, and the heat dissipation fin 3 is fixedly arranged on the side wall of the heat dissipation end of the heat pipe 2; the radiating fins 3 can strengthen the radiating capacity of the heat pipe 2, improve the heat absorption efficiency of the heat pipe 2, and the knob 4 is arranged to prevent the radiating fins 3 from cutting the staff when the staff dismounts the heat pipe 2.
In this embodiment, preferably, the inner side wall of the electric meter box 1 is fixedly provided with the water receiving disc 5, the water receiving disc 5 is arranged at the position right below the heat absorbing end of the heat pipe 2, the bottom of the water receiving disc 5 is provided with the liquid outlet pipe 16, and the bottom of the liquid outlet pipe 16 is communicated with the outside of the electric meter box 1.
In this embodiment, as shown in fig. 2, the water receiving tray 5 is preferably disposed obliquely along the length direction, and the liquid outlet pipe 16 is disposed at the lowest position of the bottom of the water receiving tray 5.
The preferred embodiment also comprises a sealing plug 8, wherein the size of the sealing plug 8 is the same as that of the heat pipe 2, and the sealing plug 8 is used for blocking a through hole at the plugging position of the ammeter box 1 and the heat pipe 2, so that when the ambient temperature is not high, the number of the heat pipes 2 can be reduced, the sealing plug 8 can be inserted into the through hole for inserting the heat pipe 2, and the internal cold is prevented from being dispersed from the through hole position; when Xia Tianshi, the ambient temperature is higher, the number of the heat pipes 2 can be increased, and the refrigerating effect is improved.
Working principle: when the ammeter body 7 is installed, the four suckers 14 are respectively inserted into the limiting cylinder 12, the first connecting rod 10 is pressed downwards, the first connecting rod 10 drives the two pressing rods 11 and the two pushing rods 20 to move downwards together, the pushing rods 20 drive the piston 21 and the reset block 23 to move downwards, at the moment, the upper reset block 23 drives the second connecting rod 27 and the rack 28 on the left side in fig. 6 to move downwards, the rack 28 moves to enable the gear 25 to rotate, the gear 25 drives the rack 28 on the right side to move upwards, the rack 28 on the right side also drives the reset block 23 and the piston 21 on the lower side to move upwards under the action of the second connecting rod 27, at the moment, part of gas in the gas outlet passage 15 is discharged from the positions of the suckers 14, then the suckers 14 are clung to the inner side wall of the ammeter box 1, and because the springs 24 are in a tensile state, the springs 24 have a trend of pulling the reset block 23 to move in the opposite direction, at the moment, negative pressure is formed, and the suckers 14 are tightly attached to the side wall of the ammeter box 1; when the ammeter body 7 needs to be disassembled, the ammeter body 7 can be taken down only by continuously pressing the pressing rod 11 downwards.
The staff can carry out the regulation of heat pipe 2 quantity according to the inside temperature of ammeter case 1 to adjust refrigeration effect, install or take off heat pipe 2, only need with rotatory knob 4 can, the heat pipe 2 of taking off leaves the through-hole, and the staff only need use sealing plug 8 to seal it.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (8)

1. The waterproof ammeter convenient to detach comprises an ammeter box (1) and an ammeter body (7), wherein a box door (17) for switching the ammeter box (1) is arranged on the side wall of the ammeter box (1); the electric meter is characterized in that two base plates (9) are fixedly arranged on the back of the electric meter body (7), two hollow connecting columns (13) are fixedly arranged on the side walls, far away from the electric meter body (7), of the two base plates (9), and sucking discs (14) are arranged at the end parts, far away from the base plates (9), of the two connecting columns (13); the two connecting columns (13) are symmetrically arranged on the horizontal central axis of the substrate (9); two L-shaped air outlet passages (15) are further arranged in the base plate (9), the end parts of the two air outlet passages (15) are respectively communicated with the interiors of the two connecting columns (13), and the end parts, far away from the connecting columns (13), of the air outlet passages (15) close to the top of the base plate (9) are communicated with the exterior of the base plate (9); the end part of the air outlet passage (15) close to the bottom of the base plate (9) far away from the connecting column (13) is a blind end;
two groups of side cavities (18) are further arranged in the base plate (9), the number of each group of side cavities (18) is multiple, the two groups of side cavities (18) are circumferentially arranged around the vertical section of the air outlet passage (15) and are communicated with the air outlet passage, and negative pressure mechanisms are arranged in the two air outlet passages (15) and the two groups of side cavities (18); a pushing piece for pushing the negative pressure mechanism to slide is arranged near the top of the base plate (9); a first connecting rod (10) for connecting the pushing pieces corresponding to the two base plates (9) is arranged between the pushing pieces;
the negative pressure mechanism comprises a piston (21), a plurality of reset blocks (23) and a plurality of springs (24); the piston (21) is arranged in the air outlet passage (15) and slides along the vertical direction of the air outlet passage, and the piston (21) is connected with the air outlet passage (15) in a sliding manner; the plurality of reset blocks (23) are fixedly arranged on the side wall of the piston (21), the plurality of reset blocks (23) are respectively arranged in the plurality of side cavities (18), and the reset blocks (23) are in sealing sliding connection with the side cavities (18); one end of the spring (24) is fixedly connected with the reset block (23), and the other end of the spring (24) is fixedly connected with the end part of the side cavity (18); a reverse transmission mechanism is arranged between the reset blocks (23) corresponding to the two negative pressure mechanisms, and the reverse transmission mechanism is used for driving the negative pressure mechanism close to the bottom of the substrate (9);
the reverse transmission mechanism comprises two connecting rods II (27), two racks (28), a gear (25), a rotating rod (22) and two bearings (26); a rotary cavity (19) is arranged between the two air outlet passages (15) in the base plate (9), two ends of the rotary rod (22) are fixedly connected with inner rings of two bearings (26) respectively, and the bearings (26) are arranged on the side wall of the rotary cavity (19); the gear (25) is fixedly sleeved on the rotating rod (22), and the two racks (28) are respectively positioned at two sides of the gear (25) and meshed with the gear (25); the two connecting rods II (27) are fixedly connected with the end parts of the racks (28) respectively, and the end parts, far away from the racks (28), of the two connecting rods II (27) are fixedly connected with the reset blocks (23) of the two negative pressure mechanisms respectively; the second connecting rod (27) is in sealing sliding connection with the base plate (9), and the rack (28) is positioned in the rotating chamber (19);
the pushing piece comprises a push rod (20) and a pressing rod (11); the bottom of push rod (20) is fixedly connected with the top of piston (21), the top of push rod (20) is fixedly connected with the bottom of push rod (11), the lateral wall of push rod (11) is fixedly connected with connecting rod one (10).
2. The waterproof ammeter convenient to detach according to claim 1, wherein four limiting barrels (12) are fixedly arranged on the inner side wall, far away from a refrigerator door (17), of the ammeter box (1), and the inner diameter size of each limiting barrel (12) is matched with the size of each sucker (14) so that each sucker (14) can be inserted into each limiting barrel (12).
3. The waterproof ammeter convenient to detach according to claim 1, wherein a plurality of heat pipes (2) are detachably arranged on the side wall of the ammeter box (1) along the height direction, a plurality of the heat pipes (2) are horizontally arranged, the heat absorbing end of each heat pipe (2) is positioned inside the ammeter box (1), the heat radiating end of each heat pipe (2) is positioned outside the ammeter box (1), and a plurality of temperature sensors (6) are fixedly arranged at the bottom of the inner side of the ammeter box (1).
4. The waterproof ammeter convenient to detach according to claim 3, wherein the outer side wall of the heat pipe (2) is connected with the ammeter box (1) in a threaded mode, a knob (4) is arranged at the heat dissipation end of the heat pipe (2), and a radiating fin (3) is arranged on the side wall of the heat dissipation end of the heat pipe (2).
5. The waterproof ammeter convenient to detach according to claim 3, wherein a water receiving disc (5) is arranged on the inner side wall of the ammeter box (1), the water receiving disc (5) is arranged at a position right below the heat absorbing end of the heat pipe (2), a liquid outlet pipe (16) is arranged at the bottom of the water receiving disc (5), and the bottom of the liquid outlet pipe (16) is communicated with the outside of the ammeter box (1).
6. The waterproof ammeter convenient to detach according to claim 5 is characterized in that the water receiving tray (5) is obliquely arranged along the length direction, and the liquid outlet pipe (16) is arranged at the lowest position of the bottom of the water receiving tray (5).
7. The waterproof ammeter convenient to detach according to claim 1, wherein an annular sealing strip is arranged on the side wall of the refrigerator door (17) close to the ammeter box (1), and the refrigerator door (17) is connected with the ammeter box (1) in a buckling manner.
8. The waterproof ammeter convenient to detach according to claim 1 is characterized in that the waterproof ammeter convenient to detach further comprises a sealing plug (8), wherein the sealing plug (8) is the same as the heat pipe (2) in size and is used for plugging a through hole of an ammeter box (1) and a plugging position of the heat pipe (2).
CN202311245710.6A 2023-09-26 2023-09-26 Waterproof ammeter convenient to detach Active CN116990568B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311245710.6A CN116990568B (en) 2023-09-26 2023-09-26 Waterproof ammeter convenient to detach

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311245710.6A CN116990568B (en) 2023-09-26 2023-09-26 Waterproof ammeter convenient to detach

Publications (2)

Publication Number Publication Date
CN116990568A CN116990568A (en) 2023-11-03
CN116990568B true CN116990568B (en) 2023-12-05

Family

ID=88534085

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311245710.6A Active CN116990568B (en) 2023-09-26 2023-09-26 Waterproof ammeter convenient to detach

Country Status (1)

Country Link
CN (1) CN116990568B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209963560U (en) * 2019-06-06 2020-01-17 国网福建省电力有限公司龙岩供电公司 Outdoor convenient to use dismantles waterproof ammeter and ammeter case
CN112630487A (en) * 2020-12-25 2021-04-09 国网河南省电力公司新野县供电公司 Fixing device for smart electric meter
CN215375549U (en) * 2021-03-13 2021-12-31 牛伶方 Outdoor convenient to use dismantles waterproof ammeter and ammeter case
CN116093751A (en) * 2023-04-11 2023-05-09 北京煜邦电力技术股份有限公司 Protective electric energy meter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209963560U (en) * 2019-06-06 2020-01-17 国网福建省电力有限公司龙岩供电公司 Outdoor convenient to use dismantles waterproof ammeter and ammeter case
CN112630487A (en) * 2020-12-25 2021-04-09 国网河南省电力公司新野县供电公司 Fixing device for smart electric meter
CN215375549U (en) * 2021-03-13 2021-12-31 牛伶方 Outdoor convenient to use dismantles waterproof ammeter and ammeter case
CN116093751A (en) * 2023-04-11 2023-05-09 北京煜邦电力技术股份有限公司 Protective electric energy meter

Also Published As

Publication number Publication date
CN116990568A (en) 2023-11-03

Similar Documents

Publication Publication Date Title
CN111817157B (en) Power switch cabinet
CN113660828B (en) Liquid crystal display screen with temperature control function mechanism
CN105491843A (en) Sealing machine cabinet with heat superconducting heat exchanger
CN116990568B (en) Waterproof ammeter convenient to detach
CN111246712A (en) Server rack and phase-change thermoelectric composite heat dissipation system thereof
CN106793705B (en) Closed outdoor communication cabinet with heat dissipation mechanism
CN104219904A (en) Integrated communication cabinet system
CN201509386U (en) Telecommunication cabinet with refrigerant circulating heat exchange function
CN203704175U (en) Ultra-thin cabinet air conditioner with integrated circulating system
CN211233195U (en) Air-cooled refrigerating plant
CN210718313U (en) Refrigerator evaporator fixing assembly
CN2189726Y (en) Hot-pipe semi-conductor refrigerating device
CN201621795U (en) Small-sized air conditioner with semiconductor refrigeration
CN202250144U (en) Cabinet type explosion-proof air regulator for coal mines
CN215187921U (en) Gas filling control cabinet
CN206755639U (en) Converter cabinet and refrigerant cooling system integrated device
CN219577187U (en) Outdoor micro-cabinet energy-saving temperature-control air conditioner
CN2603516Y (en) Heat-tube heat-sink for CPU of desk computer
CN217155866U (en) Heat and moisture exchange performance testing device
CN221862250U (en) Ammeter box for ammeter
CN116321927B (en) Waterproof high temperature resistant combination formula air conditioner switch board
CN219550889U (en) Dull and stereotyped forced air cooling condenser convenient to hoist and mount
CN217363644U (en) Flame-proof type superconductive heat exchange device
CN211151280U (en) Automatic heat dissipation function switch board
CN116085529B (en) Valve plate for hot air valve and hot air valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant