CN201210607Y - Power supply box of detector - Google Patents

Abstract

The utility model relates to a power supply box of a detector, which comprises a bottom cover, a top cover connected to the middle part of the bottom cover and wire pressing covers respectively connected to the two ends of the bottom cover and integrated with the bottom cover, wherein one side of the wire pressing cover can be connected to the bottom cover in a turning way; one of the wire pressing cover and the bottom cover is provided with a buckle, and the other one is provided with a clamping position matched with the buckle. The power box adopts the turnover type wire pressing cover, the wire pressing cover and the screw cannot fall off or be lost after the power box is opened, and the power box is simple to match with a bottom cover, convenient to install and wire connection.

Description

detector power box

technical field

The utility model relates to a detection device, in particular to a power supply box of a detector.

Background technique

Existing detectors are usually installed on the indoor ceiling in an embedded manner, and are used for indoor automatic light control and HVAC system control, and are suitable for offices, storage rooms, kitchens, public toilets and other occasions.

Figures 1 and 2 show detectors in the prior art. As shown in FIGS. 1 and 2 , the detector 10 includes a sensor 11 and a power box 12 . The power supply box 12 includes a box body 13 , and crimping covers 15 are arranged at both ends of the box body 13 . Screw holes 16 are provided on the crimping cover 15 . Corresponding screw holes 18 are also provided on the bottom cover 17 of the box body 13 . Screws pass through the screw holes 16, 18, and the crimping cover 15 is fixed on the box body 13. The same end of the crimping cover 15 and the bottom cover 17 are all provided with easy-to-break holes, and when connecting thicker power cords, the easy-to-break holes are knocked out so that the power lines of the same diameter are passed through the easy-to-break holes.

The defect of this existing detector is that: the crimping cover 15 is completely separated from the box body 13 and is easily lost during wiring; it needs to be fixed with multiple screws and the assembly is complicated. Due to the limitation of the diameter of the easy-to-break hole, it is not possible to connect the power and load lines with a diameter larger than the easy-to-break hole. When connecting the power and load lines with a diameter smaller than the easy-to-break hole, the line cannot be pressed tightly.

Utility model content

The technical problem to be solved by the utility model is to provide a power supply box of a detector in view of the defect that the wire crimping cover of the detector in the prior art is easily lost and the installation is complicated, and the fixing method of the crimping cover is very simple.

The technical scheme adopted by the utility model to solve the technical problem is: to construct a power supply box of a detector, including a bottom cover, a top cover connected to the middle of the bottom cover, and pressure boxes respectively connected to both ends of the bottom cover. A wire cover, one side of the wire crimping cover is reversibly connected to the bottom cover; a buckle is provided on one of the crimping wire cover and the bottom cover, and a buckle is provided on the other. The card position of the snap fit.

In the power supply box of the detector described in the utility model, the power supply box includes a first end and a second end, and the first end is provided with a wiring socket for connecting signal wires.

In the power supply box of the detector described in the utility model, the second end of the power supply box is provided with a terminal block for connecting the power supply and the load line; There are easy-to-break holes on them.

In the power supply box of the detector described in the present invention, the power supply box also includes screws, and screw holes connected with the screws are provided on the crimping cover and the bottom cover at the second end of the power supply box; The bottom cover is provided with at least two grooves, and the grooves extend from both sides of the screw holes on the bottom cover to the end of the bottom cover, so that a deformable elastic part is formed between the two grooves.

In the power supply box of the detector according to the utility model, the diameters of the breakable holes on the crimping cover and the bottom cover are different.

In the power supply box of the detector according to the present invention, at least two corresponding grooves are also provided on the crimping cover on the second end of the power supply box, and the grooves extend from both sides of the screw To the end of the crimping cover, a deformable elastic part is formed between the grooves.

The power supply box implementing the detector of the utility model has the following beneficial effects: the power supply box adopts a flip-type crimping cover, which will not be lost after opening, and the cooperation with the bottom cover is simple, which is convenient for installation and wiring. The signal line of the sensor is directly inserted into the wiring socket of the power box, which is more convenient for fixing and installation. The elastic part on the bottom cover, together with the crimping cover and the easy-to-break holes of different apertures on the bottom cover, enable the power supply box to use power and load lines of different thicknesses.

Description of drawings

The utility model will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

FIG. 1 is a schematic structural view of a detector in the prior art;

Fig. 2 is an exploded schematic diagram of a power supply box of a detector in the prior art;

Fig. 3 is the structural representation of the detector of the present utility model;

Fig. 4A is a schematic structural view of the power supply box of the present invention;

Fig. 4B is a schematic structural view of the power supply box of the present invention when the wire crimping cover is opened, showing the first end of the power supply box;

Fig. 4C is a schematic structural view of the power box of the present invention when the wire crimping cover is opened, showing the second end of the power box;

Fig. 5 is a schematic diagram of the structure of the power supply box of the present invention when the wiring is performed without easy-to-break holes;

Fig. 6 is a schematic diagram of the structure of the power supply box of the present invention when only the easy-to-break holes in the bottom cover are used for wiring;

Fig. 7 is a schematic diagram of the structure of the power supply box of the present invention when only using the easy-to-break holes of the crimping cover for wiring;

Fig. 8 is a schematic diagram of the structure of the power supply box of the present invention when the bottom cover and the easy-to-break hole of the crimping cover are used for wiring;

Fig. 9 is a schematic diagram of the bottom structure of the power supply box of the present invention;

Fig. 10 is a schematic diagram of putting the power supply box of the present invention on the ceiling;

Fig. 11 is the schematic diagram that this novel sensor is fixed on the ceiling;

Fig. 12 is a schematic view after the detector of the present invention is installed.

Detailed ways

As shown in FIG. 3 , the detector 100 of the present invention includes a sensor 101 and a power box 102 , which are connected by a signal line 103 . Referring to FIGS. 4A and 4B , the power supply box 102 includes a bottom cover 104 , a top cover 105 connected to the middle of the bottom cover 104 , and wire crimping covers 106 respectively connected to both ends of the bottom cover 104 . One side of the crimping cover 106 is hinged on the bottom cover 104 through a rotating shaft; or it is integrally formed with the bottom cover 104; the other side is provided with a card position 107, and a card that cooperates with the card position 107 is provided on the corresponding position of the bottom cover 104 Deduction 108. On the contrary, buckles can be provided on the wire crimping cover 106 , and locking positions can be provided on the bottom cover 104 . The locking position 107 may be a slot matched with the buckle 108 . When assembling, turn over the crimping cover 106 to make it fasten with the bottom cover 104 , and then apply pressure to make the buckle 108 engage with the locking position 107 . When wiring or disconnecting, you need to open the crimping cover 106, and now use a "one" screwdriver to align with the gap at the clamping position 107 and tilt upwards, so that the buckle 108 can be separated from the clamping position 107.

The power supply box 102 includes two ends. The first end 109 is provided with a plurality of wiring sockets 110 for connecting the signal wires 103 of the sensor 101. The wire crimping cover 106 at this end is provided with a pressure wire for the signal wires 103 to pass through. Trunking 111. When wiring, insert the port of the signal line 103 , then turn over the crimping cover 106 and engage it on the bottom cover 104 . The second end 112 of the power supply box 102 is provided with a plurality of terminal blocks 113 for connecting the power supply and load wires 114 , and the wire crimping cover 106 at this end is provided with a crimping groove 115 for the power supply and load wires 114 to pass through. Screw holes 116 are provided on the crimping cover 106 , and corresponding screw holes 117 are provided on the bottom cover 104 . When wiring, connect and lock the power supply and load wires 114 with the terminal block 113, turn over the crimping cover 106 and engage, and finally pass the screw 123 through the screw hole 116 and the screw hole 117 to complete the connection.

In order to adapt to different power and load lines 114 , breakable holes with different diameters are provided on the crimping cover 106 and the bottom cover 104 on the second end 112 of the power supply box 102 . Referring to FIG. 5 , when using power and load wires 114 with smaller diameters, such as 0.5-2.5 mm, there is no need to use breakable holes. Referring to FIG. 6 , when the diameter of the power and load wires 114 is slightly larger, such as 6-8mm, only the breakable hole 119 on the bottom cover 104 can be used. Referring to FIG. 7 , when the diameter of the power and load wires 114 is, for example, 9-11 mm, only the breakable hole 118 on the wire crimping cover 106 can be used. Referring to FIG. 8 , when the diameter of the power supply and load wires 114 is about 12.5 mm, the breakable holes 118 and 119 on the wire crimping cover 106 and the bottom cover 104 can be knocked out.

As shown in Figure 9, in order to make the power supply and load line 114 can be compressed, and when the diameter of the power supply and load line 114 is slightly larger than the diameter of the easy-to-break holes 118, 119, it can also be used. There are two slots 120 . These two grooves 120 are located at the second end of the power supply box 102, respectively located on both sides of the screw hole 117 of the bottom cover 104, and extend to the end of the bottom cover 104, so that an elastic part 121 is formed between the two grooves 120, which can be subjected to external force , the elastic portion 121 may be deformed in up and down directions. When the diameter of the power supply and the load line 114 is smaller than the diameter of the easily breakable hole where it is located, after the screw 123 passes through the screw holes 116, 117 and is locked, the screw 123 can be further rotated to deform the elastic part 121 upwards, and the power supply and the load line 114 compress. When the diameter of the power and load wire 114 is larger than the diameter of the breakable hole where it is located, it will compress the elastic portion 121 and deform it downward. The number of slots 120 can also be three, four, etc.

On the crimping cover 106 on the second end of the power supply box 102, at least two corresponding grooves can also be provided, and the grooves extend from both sides of the screw 123 to the end of the crimping cover 106, so that a deformable shape is formed between the grooves. the elastic part.

10-12 illustrate the process of installing the detector 100 on the ceiling. Referring to the accompanying drawings, the power and load wires 114 are pulled out from the hole in the ceiling, and connected to the power box 102 . The power supply box 102 is then sent into the hole and placed on the ceiling. Next, put the two spring clips 122 of the sensor 101 close together and put them upwards into the hole, so that the two spring clips 122 are automatically snapped into the ceiling. Finally, just adjust the installation position of the sensor 101 . The state after the detector 100 is installed on the ceiling is shown in FIG. 12 .

The power supply box 102 of the present utility model adopts a flip-type crimping cover 106, which will not be lost after being opened, and is easy to cooperate with the bottom cover 104, and is convenient for installation and wiring. The signal line 103 of the sensor 101 is directly inserted into the wiring socket 110 of the power box 102, which is more convenient for fixing and installation. The elastic part 121 on the bottom cover 104 , together with the breakable holes of different diameters on the crimping cover 106 and the bottom cover 101 , enable the power supply box 102 to adopt power supply and load lines 114 of different thicknesses.

Claims (6)

1. A power supply box for a detector, comprising a bottom cover, a top cover connected to the middle of the bottom cover, and wire crimping covers respectively connected to both ends of the bottom cover, characterized in that the wire crimping cover One side is reversibly connected to the bottom cover; a buckle is provided on one of the crimping cover and the bottom cover, and a buckle is provided on the other to cooperate with the buckle. 2. The power supply box of the detector according to claim 1, wherein the power supply box comprises a first end and a second end, and the first end is provided with a wiring socket for connecting signal lines. 3. The power supply box of the detector according to claim 2, characterized in that, the second end of the power supply box is provided with a terminal block for connecting the power supply and the load line; the voltage on the second end of the power supply box is Easy-to-break holes are arranged on the line cover and the bottom cover. 4. The power supply box of the detector according to claim 3, characterized in that, the power supply box further includes screws, and the crimping cover and the bottom cover at the second end of the power supply box are provided with screws connected to the screws. screw holes; the bottom cover is provided with at least two grooves, and the grooves extend from both sides of the screw holes on the bottom cover to the end of the bottom cover, so that deformable elastic parts are formed between the grooves. 5. The power supply box of the detector according to claim 3, wherein the diameters of the easy-to-break holes on the wire crimping cover and the bottom cover are different. 6. The power supply box of the detector according to claim 4, characterized in that at least two corresponding grooves are also provided on the crimping cover located on the second end of the power supply box, and the grooves extend from the Both sides of the screw extend to the end of the crimping cover, so that a deformable elastic part is formed between the grooves.

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