CN208459445U - A kind of moisture-proof three-phase volt-ampere PH phasemeter shell of zero moisture - Google Patents
A kind of moisture-proof three-phase volt-ampere PH phasemeter shell of zero moisture Download PDFInfo
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- CN208459445U CN208459445U CN201821264308.7U CN201821264308U CN208459445U CN 208459445 U CN208459445 U CN 208459445U CN 201821264308 U CN201821264308 U CN 201821264308U CN 208459445 U CN208459445 U CN 208459445U
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- lower case
- moisture
- upper housing
- opening
- drying box
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Abstract
The utility model discloses a kind of moisture-proof three-phase volt-ampere PH phasemeter shell of zero moisture, including upper housing, lower case and jacket.Upper housing is hollow box-like construction, and Open Side Down；Lower case is hollow box-like construction, opening upwards；Upper housing and lower case opening side end face are bonded to each other.Jacket is around upper housing and lower casing body sidewall one week flexible rubber ring body.Drying box is provided in lower case.The moisture-proof three-phase volt-ampere PH phasemeter shell structure of zero moisture is simple, and dampproof effect is outstanding, and well dried working environment can be provided to shell in-vivo device.
Description
Technical field
The utility model belongs to inspection technical field of measuring equipment, specifically a kind of moisture-proof three-phase volt-ampere PH phasemeter of zero moisture
Shell.
Background technique
Three-phase volt-ampere PH phasemeter is a kind of for carrying out the measuring device of electric mutually verification, can measure and show voltage, electricity
The electricity such as stream, active power, reactive power, apparent energy, power factor, phase, frequency.Three-phase volt-ampere PH phasemeter is with high-performance
Single-chip microcontroller is core, and using 3 independent voltage channels, 3 independent current channels, 3 current clamp, large screen graphic dot matrix
Formula liquid crystal display, long-acting nickel-metal hydride battery, battery management circuit, non-volatile data memory, high precision clock, serial data
The hardware design of interface etc. has reached the new high degree of portable phase measurement and multifunction instrument, is traditional double phase clamping volt
Pacify the ideal renewal product of table.
It is more demanding to the protection of shell since instrument internal circuit structure is complicated, especially humidity resistance, if
Humidity will seriously affect circuit in shell, will cause circuit damage when serious, and instrument is scrapped.Existing shell is in screen and key
The sealing of junction causes annular slice rubber ring shape working region longer since shell rim junction molded line is longer, due to
Only opening surface contacts upper-lower casing with rubber ring end face, easily occurs partially sealed not tight situation in use.
Summary of the invention
Goal of the invention: the purpose of this utility model is to provide a kind of zero moisture moisture-proof three for the deficiency in current technology
Phase volt-ampere PH phasemeter shell guarantees that enclosure interior is dry, and enclosure interior can be effectively treated and pass through a small amount of steam accidentally entered, protect
Demonstrate,prove the working environment that zero moisture is in shell.
Technical solution: to achieve the above object, the utility model provides a kind of zero moisture moisture-proof three-phase volt-ampere PH phasemeter shell
Body, including upper housing, lower case and jacket；The upper housing is hollow box-like construction, and Open Side Down；The lower case is hollow
Case type structures, opening upwards；Upper housing and lower case opening side end face are bonded to each other；The upper housing inner edge portion is uniformly set
It is equipped with positioning seat, positioning seat is provided centrally with tapped blind hole；Positioning seat, which is corresponded to, in the lower case is provided with installation pedestal；It is described
Opening is provided in installation pedestal in the blind hole of lower case lower surface, blind via bottom is provided with through-hole；It is set at the top of the upper housing
It is equipped with wiring notch, the wiring notch is v notch v of the opening in upper housing top edge, and bar shaped indentations bottom is semicircle
Shape；Drying box is provided in the lower case, the drying box is that lower case outside under surface is provided with cube hollow box
Body, the drying box one are vertically provided with opening with the side of lower case lower surface, and drying box opening, which is provided with, can open pass
The lid closed, is evenly arranged with linked hole on the lower case bottom surface of drying box inner region, and the linked hole penetrates through lower case
Lower surface；Desiccant is provided in the drying box；The jacket is around upper housing and lower casing body sidewall one week flexible rubber
Rubber ring body, jacket top correspond to wiring notch on upper housing and are provided with connection jaws, and the connection jaws are circular hole, connection jaws and wiring
Notch circular arc portion is coaxial and diameter is identical.
As a kind of improvement of this programme, the lateral surface of drying box opening two sides is correspondingly arranged on buckle, the card
Button is cube bulge-structure, and the lid is section cylinder identical with facial contour on the outside of drying box opening, lid one end
It is provided centrally with positioning protrusion, the positioning protrusion is section cylinder identical with drying box opening Internal periphery, lid two sides
It is provided with snap ring, the snap ring is the cube structure extended along lid axis, and snap ring is to being provided with positioning protrusion side axis
Unwrapping wire extends, and card slot is provided on snap ring, and the card slot is cube opening, and snap ring tip inside is provided with chamfering, convex
It plays root and is socketed with sealing ring, when positioning protrusion set accesses drying box opening, in buckle insertion card slot.
As a kind of improvement of this programme, display screen windows are provided on the upper housing and by key window, the display
Screen window and by key window be perforation housing upper surface through-hole.
As a kind of improvement of this programme, the upper housing and lower case lateral wall bending part are provided with and are not less than
The fillet of 8mm.
The utility model has the advantages that the moisture-proof three-phase volt-ampere PH phasemeter shell of a kind of zero moisture described in the utility model, upper housing is under
Shell is bolted, and bolt passes through through-hole in lower case installation pedestal and screws with positioning seat upper screwed hole, bolt head
It is sealed with gasket is provided in installation pedestal between blind hole.Upper housing and lower case lateral wall are coated by jacket, packet
It covers upper housing and lower case one is enclosed, upper housing and lower case lateral wall bending part are provided with the fillet not less than 8mm, protect
Card upper housing and lower case outer wall smooth excessiveness, jacket can be close to side wall.
It is provided with drying box in lower case, limit drying sheet is provided in drying box, linked hole connection is provided in drying box
Logical enclosure interior, fiber drying piece can absorb enclosure interior moisture.Fiber drying piece, can using natural plant fibre as bibulous carrier
100% natural degradation belongs to environment-friendly dry drying prescription；Moisture absorption rate is fast, and hydroscopicity is high；Saturation moisture absorption up to the 100% of own wt,
It is three times of common silica-gel desiccant；Outer appearance thick paper arbitrarily can cut or be punched into various shape, can directly be filled in bottle
In lid or other containers.Drying box opening is provided with lid, and sealing ring is provided between drying box and lid and is sealed.It is dry
Fiber drying piece can be replaced in dry box.
The moisture-proof three-phase volt-ampere PH phasemeter shell structure of zero moisture is simple, and dampproof effect is outstanding, can be to setting in shell
It is standby that well dried working environment is provided.
Detailed description of the invention
The moisture-proof three-phase volt-ampere PH phasemeter shell positive side structural schematic diagram of Fig. 1, zero moisture；
The moisture-proof three-phase volt-ampere PH phasemeter shell backside configuration schematic diagram of Fig. 2, zero moisture；
The moisture-proof three-phase volt-ampere PH phasemeter shell cross-sectional view of Fig. 3, zero moisture；
Fig. 4, the upper housing structural schematic diagram；
Fig. 5, the upper housing schematical top view；
Fig. 6, the jacket schematical top view；
Fig. 7, the lower case inside structure schematic diagram；
Fig. 8, the lower case outside structure diagram；
Fig. 9, the drying box cross-sectional view；
Figure 10, the installation pedestal cross-sectional view；
Figure 11, the cover body structure schematic diagram；
Reference signs list: 1, upper housing；2, lower case；3, jacket；4, lid；101, display screen windows；102, key
Window；103, positioning seat；104, wiring notch；201, drying box；202, linked hole；203, installation pedestal；204, it buckles；301,
Connection jaws；401, positioning protrusion；402, snap ring；403, card slot；404, sealing ring.
Specific embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.It should be noted that making in being described below
Word "front", "rear", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" respectively refer to
Be directed towards or far from geometric center of specific component direction.
The moisture-proof three-phase volt-ampere PH phasemeter shell of zero moisture of one kind as shown in Figure 1,2 and 3, including upper housing 1, lower case 2
With jacket 3.Upper housing 1 is hollow box-like construction, and Open Side Down；Lower case 2 is hollow box-like construction, opening upwards；Upper housing 1
It is bonded to each other with 2 opening side end face of lower case；Upper housing 1 and 2 lateral wall bending part of lower case are provided with not less than 8mm's
Fillet.Jacket 3 is around upper housing 1 and lower case 2 side wall, one week flexible rubber ring body.
As shown in figure 4,1 inner edge portion of upper housing is evenly arranged with positioning seat 103, positioning seat 103 is provided centrally with spiral shell
Line blind hole.It is provided with display screen windows 101 on upper housing 1 and is by key window 102, display screen windows 101 and by key window 102
Penetrate through the through-hole of housing upper surface.As shown in figure 5, being provided with wiring notch 104 at the top of upper housing 1, wiring notch 104 is opening
V notch v in 1 top edge of upper housing, bar shaped indentations bottom are semicircle.As shown in fig. 6, corresponding to upper casing at the top of jacket 3
Wiring notch 104 is provided with connection jaws 301 on body 1, and connection jaws 301 are circular hole, connection jaws 301 and 104 arc sections of wiring notch
Divide coaxial and diameter identical.
As shown in fig. 7, corresponding to positioning seat 103 in lower case 2 is provided with installation pedestal 203, as shown in Figure 10, installation pedestal
Opening is provided on 203 in the blind hole of 2 lower surface of lower case, blind via bottom is provided with through-hole.As shown in FIG. 8 and 9, lower case 2
On be provided with drying box 201, drying box 201 is that 2 outside under surface of lower case is provided with cube hollow box, drying box
201 1 are vertically provided with opening with the side of 2 lower surface of lower case, 201 opening of drying box be provided with can open and close lid
Body 4, is evenly arranged with linked hole 202 on 2 bottom surface of lower case of 201 inner region of drying box, and linked hole 202 penetrates through lower case
2 lower surfaces are provided with fiber drying piece in drying box 201.The lateral surface of the opening of drying box 201 two sides is correspondingly arranged on buckle
204, buckle 204 is cube bulge-structure.As shown in figure 11, lid 4 is facial contour on the outside of section and 201 opening of drying box
Identical cylinder, 4 one end of lid are provided centrally with positioning protrusion 401, and positioning protrusion 401 is section and 201 opening of drying box
The identical cylinder of Internal periphery, 4 two sides of lid are provided with snap ring 402, and snap ring 402 is the cube structure extended along 4 axis of lid,
Snap ring 402 extends to 401 side axis unwrapping wire of positioning protrusion is provided with, and is provided with card slot 403 on snap ring 402, card slot 403 is vertical
Cube opening, 402 tip inside of snap ring are provided with chamfering, and 401 root of positioning protrusion is socketed with sealing ring 404, positioning protrusion 401
When set access 201 opening of drying box, in 204 insertion card slot 403 of buckle.
Technological means disclosed in the utility model is not limited only to technological means disclosed in above embodiment, also
Including technical solution consisting of any combination of the above technical features.
Claims (5)
1. a kind of moisture-proof three-phase volt-ampere PH phasemeter shell of zero moisture, which is characterized in that including upper housing (1), lower case (2) and packet
It covers (3)；The upper housing (1) is hollow box-like construction, and Open Side Down；The lower case (2) be hollow box-like construction, be open to
On；Upper housing (1) and lower case (2) opening side end face are bonded to each other；Upper housing (1) inner edge portion is evenly arranged with fixed
Position seat (103), positioning seat (103) are provided centrally with tapped blind hole；Positioning seat (103) is corresponded in the lower case (2) to be provided with
Installation pedestal (203)；Opening is provided on the installation pedestal (203) in the blind hole of lower case (2) lower surface, blind via bottom is set
It is equipped with through-hole；It is provided with wiring notch (104) at the top of the upper housing (1), the wiring notch (104) is opening in upper housing
(1) v notch v of top edge, bar shaped indentations bottom are semicircle；Drying box (201) are provided on the lower case (2),
The drying box (201) is that lower case (2) outside under surface is provided with cube hollow box, the drying box (201) one
Vertically be provided with opening with the side of lower case (2) lower surface, drying box (201) opening be provided with can open and close lid
(4), linked hole (202), the linked hole are evenly arranged on lower case (2) bottom surface of drying box (201) inner region
(202) lower case (2) lower surface is penetrated through；Desiccant is provided in the drying box (201)；The jacket (3) is around upper casing
Body (1) and lower case (2) side wall one week flexible rubber ring body, jacket (3) top correspond to wiring notch on upper housing (1)
(104) it is provided with connection jaws (301), the connection jaws (301) are circular hole, connection jaws (301) and wiring notch (104) arc sections
Divide coaxial and diameter identical.
2. the moisture-proof three-phase volt-ampere PH phasemeter shell of a kind of zero moisture according to claim 1, it is characterised in that: the drying
The lateral surface of box (201) opening two sides is correspondingly arranged on buckle (204), and the buckle (204) is cube bulge-structure, described
Lid (4) is section cylinder identical with facial contour on the outside of drying box (201) opening, and lid (4) one end is provided centrally with fixed
Position is raised (401), and the positioning protrusion (401) is section cylinder identical with drying box (201) opening Internal periphery, lid
(4) two sides are provided with snap ring (402), and the snap ring (402) is the cube structure extended along lid (4) axis, snap ring (402)
Extend to positioning protrusion (401) side axis unwrapping wire is provided with, is provided with card slot (403), the card slot on snap ring (402)
(403) it is open for cube, snap ring (402) tip inside is provided with chamfering, and positioning protrusion (401) root is socketed with sealing ring
(404), when positioning protrusion (401) set access drying box (201) opening, in buckle (204) insertion card slot (403).
3. the moisture-proof three-phase volt-ampere PH phasemeter shell of a kind of zero moisture according to claim 2, it is characterised in that: the upper casing
Display screen windows (101) are provided on body (1) and by key window (102), the display screen windows (101) and by key window
It (102) is the through-hole of perforation housing upper surface.
4. the moisture-proof three-phase volt-ampere PH phasemeter shell of a kind of zero moisture according to claim 3, it is characterised in that: the drying
Agent is fiber drying piece.
5. the moisture-proof three-phase volt-ampere PH phasemeter shell of a kind of zero moisture according to claim 4, it is characterised in that: the upper casing
Body (1) and lower case (2) lateral wall bending part are provided with the fillet not less than 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821264308.7U CN208459445U (en) | 2018-08-07 | 2018-08-07 | A kind of moisture-proof three-phase volt-ampere PH phasemeter shell of zero moisture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821264308.7U CN208459445U (en) | 2018-08-07 | 2018-08-07 | A kind of moisture-proof three-phase volt-ampere PH phasemeter shell of zero moisture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208459445U true CN208459445U (en) | 2019-02-01 |
Family
ID=65179260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821264308.7U Active CN208459445U (en) | 2018-08-07 | 2018-08-07 | A kind of moisture-proof three-phase volt-ampere PH phasemeter shell of zero moisture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208459445U (en) |
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2018
- 2018-08-07 CN CN201821264308.7U patent/CN208459445U/en active Active
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