CN209930722U - Strong leakproofness electrical control box - Google Patents
Strong leakproofness electrical control box Download PDFInfo
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- CN209930722U CN209930722U CN201920340916.XU CN201920340916U CN209930722U CN 209930722 U CN209930722 U CN 209930722U CN 201920340916 U CN201920340916 U CN 201920340916U CN 209930722 U CN209930722 U CN 209930722U
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- control box
- circuit board
- strong
- upper shell
- dust cover
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Abstract
The utility model discloses a strong leakproofness electrical control box aims at solving the not high technical problem of current control box commonality. The utility model comprises a box body and a circuit board arranged in the box body, wherein the edge of the circuit board is provided with an input terminal and an output terminal, the circuit board is also provided with a socket for installing elements such as a relay and a fuse, the box body of the control box comprises a bottom plate, an upper shell and a dust cover, and the dust cover is arranged on the surface of the upper shell; the corresponding position department of epitheca at components and parts is equipped with the detachable and replaces the piece, and the output terminal of circuit board sets up in the circuit board edge to be connected with the transition copper bar on it, input terminal sets up in the circuit board back and is located the output terminal below. The utility model has the advantages of: the sealing performance is strong, the heat dissipation effect is good, and the operation is convenient.
Description
Technical Field
The utility model relates to an electrical equipment technical field, concretely relates to strong leakproofness electrical control box.
Background
The electrical control box is a box body for intensively mounting various electrical devices constituting a controller, and the sealing property makes one of very important parameters thereof, which directly affects the performance and the service life. Chinese utility model patent CN205790769U discloses an electrical apparatus control box, this control box can realize the exchange of two kinds of modes of general fuse and the large-scale fuse, but the output copper bar distribution of this kind of control box circuit board is between the inside upper and lower two-layer circuit board of box body, be unfavorable for the heat dissipation, and the component interface on the circuit board all only corresponds single pin, relatively more dispersion welding installation work load is bigger, if need change the type of fuse on the circuit board, so corresponding, the epitheca also need redesign and preparation, the commonality is not strong, the cost of manufacture is also than higher.
SUMMERY OF THE UTILITY MODEL
The utility model provides a strong leakproofness electrical control box is in order to solve the not strong technical problem of current control box heat dissipation inequality, the difficult installation of component interface, box body commonality.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the electrical control box with strong sealing performance comprises a box body and a circuit board arranged in the box body, wherein an input terminal and an output terminal are arranged at the edge of the circuit board, a socket for mounting elements such as a relay and a fuse is further arranged on the circuit board, the box body of the control box comprises a bottom plate, an upper shell and a dust cover, and the dust cover is mounted on the surface of the upper shell; the corresponding position department of epitheca at components and parts is equipped with the detachable and replaces the piece, and the output terminal of circuit board sets up in the circuit board edge to be connected with the transition copper bar on it, input terminal sets up in the circuit board back and is located the output terminal below.
Furthermore, a sealing ring matched with the dust cover is arranged on the transition copper bar and is made of rubber, and a gap between the transition copper bar and the dust cover is completely sealed.
Furthermore, the dust cover is provided with a rectangular protrusion which is positioned above the transition copper bar and is beneficial to arranging a binding post of the output terminal.
Furthermore, a protective cover capable of being turned upwards is arranged at the front end of the protrusion of the dust cover, so that the wiring terminal is completely sealed.
Further, the terminal of output terminal is equipped with spacing seat, and spacing seat is connected with the protective cover buckle.
Furthermore, the surface of the upper shell is provided with a fixing ring, the outer side of the dust cover is provided with a locking lug, and the fixing ring is connected with the locking lug through a hook.
Furthermore, a sealing rubber ring is arranged at the joint of the input terminal of the circuit board and the upper shell.
Furthermore, a binding post of an input terminal of the circuit board is provided with an insulating protective sleeve.
Furthermore, the upper shell is provided with a boss at the edge, the bottom plate is provided with a fixing hole matched with the boss, and the upper shell and the bottom plate are buckled and fixed, so that the use is convenient.
Furthermore, an upper sealing ring is arranged at the joint of the dust cover and the upper shell, and a lower sealing ring is arranged at the joint of the upper shell and the bottom plate. And the sealing effect is further enhanced by adding the sealing ring at the joint.
Compared with the prior art, the utility model has the beneficial technical effects of:
1. the utility model discloses set up output terminal in the upper surface of circuit board, adopt transition copper bar to draw forth the terminal simultaneously again, the position that the box body epitheca is located the large amount fuse of transition copper bar connection sets up the substitution piece, when needs more change the large amount fuse for general fuse or relay, the epitheca only need will substitute the piece and do corresponding replacement and can use, and the commonality is extremely strong.
2. The utility model discloses use modular plug terminal to assemble, very big improvement assembly efficiency, be favorable to realizing the automation moreover.
3. The utility model discloses the edge of circuit board is all located to input terminal and output terminal to output terminal is located the upper surface of circuit board, and the lead-out wire of having so avoided input, output terminal concentrates on the back of circuit board, is favorable to improving the heat dissipation, utilizes the transition copper bar to compromise the leakproofness of drawing forth the end simultaneously.
4. The utility model discloses be equipped with the sealing ring in the middle of the well transition copper bar, sealed with the dust cover cooperation, set up the protective cover sealing terminal that can upturn at the dust cover front end, double sealing not only strengthens the effect, and the protective cover also is favorable to the wiring operation moreover.
5. The utility model discloses all set up rubber seal in the junction of each part, whole protection level can reach more than IP 65.
6. The utility model discloses well bottom plate and epitheca, dust cover and the spacing seat of terminal all adopt the buckle fixed, more be convenient for installation and maintenance operation when guaranteeing the leakproofness.
Drawings
Fig. 1 is a perspective view of the electrical control box with strong sealing performance of the present invention;
fig. 2 is a top view of the electrical control box with strong sealing performance of the present invention;
FIG. 3 is a schematic view of the dust cover structure of the electrical control box with strong sealing performance;
FIG. 4 is a schematic view of the structure of the upper cover of the electrical control box with strong sealing performance;
fig. 5 is a schematic diagram of a circuit board structure of the electrical control box with strong sealing performance of the present invention;
FIG. 6 is a schematic diagram of a bottom plate structure of the electrical control box with strong sealing performance;
in the figure, 11 is a dust cover, 12 is a protrusion, 13 is a protective cover, 14 is an upper seal ring, 15 is a lock catch ear, 21 is an upper shell, 22 is a replacement block, 23 is an installation frame, 24 is an input slot, 25 is a boss, 26 is a fixing ring, 31 is a honeycomb pin base, 32 is a circuit board upper plate, 33 is a circuit board lower plate, 34 is an input terminal, 35 is a rubber ring, 36 is a protective sleeve, 37 is a fixing nut, 38 is an installation groove, 41 is a general relay, 42 is a hook, 43 is a miniature relay, 44 is a sealing ring, 45 is a binding post, 46 is a limit seat, 47 is a transition copper bar, 48 is a power fuse, 49 is a plug-in fuse, 51 is a bottom plate, 52 is a fixing hole, 53 is a screw hole, and 54 is a lower seal ring.
Detailed Description
The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way.
Example 1: an electric control box with strong sealing performance is disclosed, referring to fig. 1 to 6, comprising a dust cover 11, an upper shell 21 and a bottom plate 51, wherein a boss 25 is arranged at the edge of the upper shell 21, the bottom plate 51 is provided with a fixing hole 52 matched with the boss 25, the upper shell 21 and the bottom plate 51 are buckled and fixed by the boss 25 and the fixing hole 52 to form a cavity for placing a control circuit board, and screw holes 53 are arranged at four corners of the bottom plate 51 to further fix the bottom plate 51 and the upper shell 21 in a threaded manner. A lower sealing ring 54 made of rubber is additionally arranged at the joint of the bottom plate 51 and the upper shell 21 to enhance the sealing performance.
The control circuit board comprises a circuit board upper board 32 and a circuit board lower board 33, the upper board and the lower board are supported by an insulating column, honeycomb plug-in seats 31 are arranged on the periphery of the circuit board upper board 32, a functional area plug-in card is arranged in the middle of the circuit board upper board, a universal relay 41, a small relay 43 and a plug-in fuse 49 are plugged in the plug-in card, and various components penetrate through the upper shell 21 and are plugged in the plug-in card. The plug-in card adopts plastic to manufacture a plurality of B-shaped jacks into rectangular plug-in modules according to the arrangement of each element, thereby improving the assembly efficiency. A power fuse 48 is arranged at the front end of the plug-in fuse 49 near the edge of the circuit board upper plate 32, and the control circuit board outputs a control electrical signal outwards through the power fuse 48. The power fuse 48 is connected to the terminal 45 through the copper-clad bar 47 and is fastened by the fixing nut 37. Because the power fuse 48 is not provided with a plug-in card, a mounting groove 38 is formed, the power fuse 48 can be mounted in the mounting groove 38, and a relay and a conventional fuse can be replaced, so that the universality of the equipment is enhanced. An input terminal 34 is mounted on the back of the circuit board upper plate 32 below the binding post 45, the input terminal 34 is a sheet copper plate, the input slot 24 of the upper shell 21 extends out of the shell, a protective sleeve 36 is arranged on the part of the input terminal 34 exposed out of the shell, the protective sleeve 34 is long-strip-shaped, the middle part of the protective sleeve is circular and hollow, and the protective sleeve is used for mounting a fastening screw, and the input terminal 34 and the protective sleeve 36 are fixed through the fastening screw. The rubber ring 35 is arranged at the contact part of the protective sleeve 36 and the control box, so that the sealing performance is further enhanced.
On the epitheca 21, the installing frame 23 is seted up to the position that is located control circuit board's general type relay 41 and power insurance, its corresponding position department sets up and replaces piece 22, replace flexible protrusion around piece 22, with the recess joint on the installing frame 23, replace piece 22 and can follow the installing frame 23 and take off under the effect of external force, the epitheca just so need not be customized very much, the epitheca that satisfies different model demands can be assembled into by the different replacement piece 22 of fixed part collocation, the commonality is stronger, and convenient production, and the cost is saved. On the other hand, the maintenance and repair can be completed by removing the replacing block 22 at the corresponding position without disassembling the upper shell completely, the operation is convenient and the whole sealing effect is not damaged.
Above the upper case 21 is a dust cover 11, and the respective circuit components except the honeycomb pin holder 31 are covered with the dust cover 11. The position that dust cover 11 and epitheca 21 contacted is equipped with sealing washer 14, strengthen sealedly, in the position that power insurance 48 corresponds, dust cover 11 is equipped with protruding 12, the front end of protruding 12 covers on transition copper bar 47, and the sealing ring 44 of rubber preparation is installed to the junction, the front end of protruding 12 is protective cover 13, cover terminal 45 wherein, protective cover 13 can be upwards turned over with the horizontal axis of protruding 12, the bottom of protective cover 13 both sides is equipped with the bead, with the couple buckle of spacing seat 46 both sides fixed. The side of the dust cover 11 is provided with a locking ear 15, which is fixedly connected with the fixing ring 26 on the upper shell 21 via a hook 42, thereby realizing the fixation of the dust cover 11.
The present invention has been described in detail with reference to the accompanying drawings and embodiments, but those skilled in the art will understand that various specific parameters in the above embodiments can be changed without departing from the spirit of the present invention to form a plurality of specific embodiments, which are the common variation ranges of the present invention and will not be described in detail herein.
Claims (10)
1. A high-sealing electrical control box comprises a box body and a circuit board arranged in the box body, wherein the circuit board comprises an input terminal and an output terminal, the box body comprises a bottom plate, an upper shell and a dust cover, and the dust cover is arranged on the surface of the upper shell; the circuit board is characterized in that an element plug-in terminal seat is arranged on the circuit board; the upper shell is provided with a detachable replacing block, the output terminal is arranged on the edge of the circuit board and connected with a transition copper bar, and the input terminal is arranged on the back of the circuit board and positioned below the output terminal.
2. A strong-sealing electrical control box as claimed in claim 1, wherein said transition copper bar is provided with a sealing ring cooperating with said dust cover.
3. A strong sealing electrical control box as claimed in claim 1, wherein said dust cover is provided with a rectangular protrusion, and said protrusion is located above said transition copper bar.
4. A strong-sealability electric control box as claimed in claim 3 wherein the front end of the protrusion is provided with a protective cover which can be turned up.
5. The electrical control box with strong sealing performance according to claim 4, wherein the terminal post of the output terminal is provided with a limiting seat, and the limiting seat is connected with the protecting cover in a buckling manner.
6. The electrical control box with strong sealing performance as claimed in claim 1, wherein a fixing ring is arranged on the surface of the upper casing, a locking ear is arranged on the outer side of the dust cover, and the fixing ring is connected with the locking ear through a hook.
7. A strong leakproofness electric control box according to claim 1, characterized in that the connection of the input terminal and the upper shell is provided with a rubber ring.
8. A strong-hermeticity electrical control box according to claim 1, wherein the terminal post of the input terminal is provided with an insulating protective sheath.
9. A strong leakproofness electric control box according to claim 1, characterized in that the upper shell edge is provided with a boss, and the bottom plate is provided with a fixing hole matching with the boss.
10. A strong-sealing electric control box according to any one of claims 1 to 9, wherein an upper sealing ring is arranged at the joint of the dust cover and the upper shell, and a lower sealing ring is arranged at the joint of the upper shell and the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920340916.XU CN209930722U (en) | 2019-03-18 | 2019-03-18 | Strong leakproofness electrical control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920340916.XU CN209930722U (en) | 2019-03-18 | 2019-03-18 | Strong leakproofness electrical control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209930722U true CN209930722U (en) | 2020-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920340916.XU Active CN209930722U (en) | 2019-03-18 | 2019-03-18 | Strong leakproofness electrical control box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209930722U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109890164A (en) * | 2019-03-18 | 2019-06-14 | 新乡市光明电器有限公司 | Strong leakproofness electric control box |
| CN112996243A (en) * | 2021-02-02 | 2021-06-18 | 昆山联滔电子有限公司 | Power distribution module |
-
2019
- 2019-03-18 CN CN201920340916.XU patent/CN209930722U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109890164A (en) * | 2019-03-18 | 2019-06-14 | 新乡市光明电器有限公司 | Strong leakproofness electric control box |
| CN109890164B (en) * | 2019-03-18 | 2024-03-26 | 新乡市光明电器有限公司 | Strong-sealing electric control box |
| CN112996243A (en) * | 2021-02-02 | 2021-06-18 | 昆山联滔电子有限公司 | Power distribution module |
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