Waterproof single-phase inverter

Abstract

The utility model belongs to the technical field of inverters, in particular to a waterproof single-phase inverter, which comprises a shell and a base, and the top of the shell is provided with a groove; a through hole is formed in the groove, and a display surface sticker is pasted in the groove; a display screen is arranged in the through hole; a transparent plate is arranged between the display screen and the display surface sticker; a mounting groove is formed in the transparent plate; the display screen is embedded in the mounting groove; sealing fillers are arranged on the part, higher than the mounting groove, of the display screen and between the transparent plate and the display surface paste, and the mounting groove is formed in the transparent plate, so that the display part of the display screen is completely embedded into the mounting groove; the non-embedded part of the transparent plate and the display screen is isolated and sealed by using the sealing filler and arranging the sealing filler between the transparent plate and the display surface sticker, so that external water vapor is prevented from entering the space between the transparent plate and the display surface sticker, water drops are prevented from being generated on the outer surface of the transparent plate, and the display screen module is prevented from being damaged due to the entering of the external water vapor.

Description

TECHNICAL FIELD

[0001] The utility model belongs to inverter technical field, specifically belongs to a waterproof single -phase inverter. BACKGROUND

[0002] Inverter is the DC power conversion into AC, it is by inverter bridge, control logic and filter circuit composition;Be applicable to air conditioner, home theater, electric grinding wheel, power tools, sewing machine, DVD, VCD, computer, television, washing machine, range hood, refrigerator, video recorder, massager, fan, lighting, etc.;In foreign countries, due to the higher popular rate of automobile, can use inverter to connect battery to drive electrical appliances and various tools when working or traveling.

[0003] Due to the actual installation demand of inverter equipment, it can be indoor and can be outdoor, and the stability of the use state of the inverter directly affects the conversion efficiency of DC and AC, and the corresponding working state is directly expressed, mainly through the inverter display screen to view, the existing conventional inverter can use sealing ring spacer between the shell and the display board to seal, but this method can isolate a lot of external moisture, but the inverter will produce certain heat in the daily use process due to the internal circuit board and other electrical equipment, and needs to be cooled. Although the conventional sealing measure can isolate external moisture, when the internal temperature difference is large, part of the moisture will condense, so that the moisture between the display screen and the display transparent plate cannot be isolated, if there is water droplet on the transparent plate, it is difficult to eliminate, which affects the screen viewing experience, and in extreme cases, it will corrode the circuit board. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a waterproof single -phase inverter to solve the problems mentioned in the above background.

[0005] The utility model discloses a technical scheme: a waterproof single -phase inverter, including shell and base, the shell top is equipped with recess, recess is equipped with through -hole, recess is pasted with display surface paste, through -hole is equipped with display screen, display screen and display surface paste are equipped with transparent plate between, transparent plate is equipped with mounting groove, display screen is embedded in mounting groove, the part of display screen that goes out mounting groove and transparent plate and display surface paste between are equipped with sealing filler.

[0006] Preferably, the transparent plate is provided with a plurality of fixed connecting columns close to the side of the display screen, the display screen comprises a display seat, the display seat is provided with a through hole groove corresponding to the fixed connecting column, and the fixed connecting column is clamped in the through hole groove.

[0007] Preferably, the base is provided with anti -skid friction strips on both sides, which plays the role of anti -skid when carrying by hand.

[0008] Preferably, the base is provided with a bottom plate on one side of the two anti-skid friction strips, and the two bottom plates are provided with hand buckle holes for hoisting and carrying.

[0009] Preferably, the shell is welded with a connecting plate on one side close to the base, and the base is fixedly connected with the connecting plate and the shell through bolts.

[0010] Preferably, the base is provided with a storage groove on one side of the connecting plate, and the storage groove is provided with a sealing ring, and the outer side of the sealing ring is provided with a plurality of protrusions abutting against the two sides of the connecting plate.

[0011] Preferably, the sealing ring is provided with a convex ring abutting against the connecting plate on one side close to the shell.

[0012] Preferably, the inner side of the shell is provided with a plurality of reinforcing ribs for abutting against the connecting plate.

[0013] Preferably, the shell comprises a wiring port, and the shell is provided with a waterproof cover at the wiring port.

[0014] Preferably, the two bottom plates are further clamped with a hanging back plate, and the hanging back plate comprises a positioning foot and a clamping foot, and the positioning foot is fixedly connected with the bottom plate through bolts.

[0015] Compared with the prior art, the waterproof single-phase inverter has at least one of the following beneficial effects:

[0016] 1. The sealing filler is arranged between the part of the display screen outside the mounting groove and the transparent plate and the display surface to isolate and seal, so that the external water vapor cannot enter between the transparent plate and the display surface, water droplets are prevented from being generated on the outer surface of the transparent plate, the display effect of the entire display screen is in a long-term stable state, and the display screen module is prevented from being damaged due to the entry of external water vapor.

[0017] 2. The anti-skid friction strip is arranged on the base, and the hand buckle is arranged on the mounting bracket, so that the device can be carried or hoisted and transported. DETAILED DESCRIPTION

[0018] The accompanying drawings, which are included to provide a further understanding of the application and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0019] Figure 1 It is an exploded view of the utility model embodiment.

[0020] Figure 2 It is an enlarged view of A of Figure 1

[0021] ​Figure 3 It is the perspective view of the front direction of the embodiment of the utility model.

[0022] Figure 4 It is the perspective view of the top direction of the embodiment of the utility model.

[0023] Figure 5 It is the sectional view of the embodiment of the utility model.

[0024] Figure 6 It is the perspective view of the transparent plate of the embodiment of the utility model.

[0025] Figure 7 It is the schematic view of the display screen and the transparent plate and the display face paste of the embodiment of the utility model smearing sealing filler.

[0026] Figure 8 It is the schematic view of the shell welding connecting plate of the embodiment of the utility model.

[0027] Reference signs

[0028] 1 - shell; 11 - groove; 12 - through hole; 13 - reinforcing rib; 14 - wiring port; 2 - base; 21 - anti - skid friction strip; 22 - bottom plate; 221 - hand hole; 23 - storage groove; 3 - display face paste; 4 - display screen; 41 - sealing filler; 42 - display seat; 43 - through hole groove; 5 - transparent plate; 51 - installation groove; 52 - fixed connecting column; 6 - connecting plate; 7 - sealing ring; 71 - protrusion; 72 - convex ring; 8 - waterproof cover; 9 - hang up back plate; 91 - positioning foot; 92 - clamping foot; DETAILED DESCRIPTION

[0029] The technical scheme of the utility model will be described clearly and completely below in conjunction with the drawings, and obviously, the described embodiments are a part of the embodiments of the utility model, not all the embodiments.

[0030] The components of the embodiments of the utility model generally described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model.

[0031] Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of protection of the utility model.

[0032] In the description of the utility model, it is necessary to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0033] It should be noted that the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. In this specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] As shown in Figure 1 , Figure 6 , including shell 1 and base 2, the top of the shell 1 is provided with recess 11, the recess 11 is provided with through hole 12, the recess 11 is pasted with display face 3, the through hole 12 is provided with display screen 4, the display screen 4 and display face 3 are provided with transparent plate 5, the transparent plate 5 is provided with mounting groove 51, the display screen 4 is embedded in the mounting groove 51, the mounting groove 51 is arranged between the display screen 4 and the transparent plate 5, as shown in Figure 7 , the part of the display screen 4 protruding out of the mounting groove 51 and the transparent plate 5 and the display face 3 are all provided with sealing filler for isolation and sealing, to ensure that the external moisture does not enter between the transparent plate 5 and the display face 3, to prevent water droplets from forming on the outer surface of the transparent plate 5, the display effect of the display screen 4 is stable for a long time, so as to avoid damage to the display screen module caused by the entry of external moisture.

[0035] As shown in Figures 1 to 6As shown, the transparent plate 5 is provided with a plurality of fixed connecting columns 52 near the side of the display screen 4, the display screen 4 comprises a display seat 42, the display seat 42 is provided with a through hole slot 43 corresponding to the fixed connecting column 52; the fixed connecting column 52 is clamped in the through hole slot 43; the base 2 is provided with anti-skid friction strips 21 on both sides, which can play the role of anti-skid when carrying by hand; the base 2 is provided with bottom plates 22 on one side of the two anti-skid friction strips 21, the two bottom plates 22 are provided with hand buckle holes 221, which can be used for hoisting and carrying. The existing inverter is simple to a certain extent, and the installation of the inverter is moved without considering the convenience of practical application, so that it is very inconvenient to carry the inverter, and often needs the help of multiple people. And the size of the inverter accompanied by the use of power, so the volume and weight of the inverter itself will increase greatly, making the construction installation become inefficient and difficult. Therefore, the anti-skid friction strips 21 are arranged on the base 2, and the hand buckle holes 221 are arranged on the installation bracket, which can facilitate manual carrying or hoisting transportation of the inverter, thereby solving the carrying problem. Figure 8 As shown, the shell 1 is integrally formed by welding a connecting plate 6 near the base 2; the inside of the shell 1 is provided with a plurality of reinforcing ribs 13 for abutting the connecting plate 6; the base 2 is fixedly connected between the connecting plate 6 and the shell 1 by bolts; the base 2 is provided with a storage groove 23 on one side of the connecting plate 6, the storage groove 23 is provided with a sealing ring 7, the outer side of the sealing ring 7 is provided with a plurality of protrusions 71 abutting the two sides of the connecting plate 6, and the conventional manufacturing of the inverter adopts one-time complete sealing. However, this kind of measure will appear poor subsequent maintenance convenience, or secondary disassembly will lead to that the sealing cannot meet the use requirement, increasing the use cost of the equipment. Therefore, the inverter adopts an embedded sealing ring, the sealing ring 7 is installed in the storage groove 23 on the base 2, in order to facilitate disassembly and maintenance, a plurality of protrusions 71 are arranged on the outer side of the sealing ring 7, and the sealing ring 7 will not come off from the storage groove 23 during the process of disassembling the shell 1 and the base 2; the base 2 and the shell 1 are closely and completely combined, the gap between the base 2 and the shell 1 is smaller, and the aesthetic integrity is higher; the sealing ring 7 is provided with a convex ring 72 abutting the connecting plate 6 near the shell 1; the shell 1 comprises a wiring port 14, the shell 1 is provided with a waterproof cover 8 at the wiring port 14; the two bottom plates 22 are also clamped with a hanging back plate 9, the hanging back plate 9 comprises a positioning foot 91 and a clamping foot 92, the positioning foot 91 is abutted to the bottom plate 22 and fixedly connected by bolts.

[0036] In the description of the utility model, it is to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A waterproof single-phase inverter, characterized by: It includes a shell and a base, the top of the shell is provided with a groove; a through hole is provided in the groove, a display surface sticker is affixed in the groove; a display screen is provided in the through hole; a transparent plate is provided between the display screen and the display surface sticker; a mounting groove is provided in the transparent plate; the display screen is embedded in the mounting groove; a sealing filler is provided on the portion of the display screen that protrudes from the mounting groove and between the transparent plate and the display surface sticker.

2. The waterproof single-phase inverter according to claim 1, characterized in that: The transparent plate is provided with a plurality of fixed connection columns on one side close to the display screen. The display screen includes a display seat. The display seat is provided with through-hole grooves corresponding to the fixed connection columns. The fixed connection columns are snap-fitted into the through-hole grooves.

3. The waterproof single-phase inverter according to claim 1, characterized in that: Anti-skid friction strips are provided on both sides of the base to prevent skidding when the device is carried by hand.

4. The waterproof single-phase inverter according to claim 3, characterized in that: The base is provided with a bottom plate on one side of the two anti-skid friction strips, and the two bottom plates are provided with hand holes, which can be used for lifting and transportation.

5. The waterproof single-phase inverter according to claim 1, characterized in that: A connecting plate is welded to one side of the shell close to the base, and the base abuts against the connecting plate and is fixedly connected to the shell by bolts.

6. The waterproof single-phase inverter according to claim 5, characterized in that: The base is provided with a storage groove on one side of the connecting plate, a sealing ring is provided in the storage groove, and a plurality of protrusions are provided on the outside of the sealing ring to abut against both sides of the connecting plate.

7. The waterproof single-phase inverter according to claim 6, characterized in that: The sealing ring is provided with a convex ring on one side close to the shell to abut against the connecting plate.

8. The waterproof single-phase inverter according to claim 5, characterized in that: A plurality of reinforcing ribs are provided on the inner side of the shell for abutting against the connecting plate.

9. The waterproof single-phase inverter according to claim 1, characterized in that: The shell includes a wiring port, and the shell is provided with a waterproof cover at the wiring port.

10. The waterproof single-phase inverter according to claim 4, characterized in that: The two bottom plates are also clamped with a hanging back plate, and the hanging back plate includes a positioning foot and a clamping foot, and the positioning foot abuts against the bottom plate and is fixedly connected by bolts.

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