CN217909568U - Electrician instrument power supply with explosion-proof function - Google Patents

Abstract

The utility model relates to the field of power supplies, and discloses a power supply for electrical instruments and meters with an explosion-proof function, which includes a housing, a main body of a power supply for electrical instruments and meters, and a detachable dust-proof mechanism. The top of the pole is fixedly connected to the main body of the power supply of the electrical instrument, and the bottom of the housing is provided with an assembly hole. T-shaped rods are fixedly arranged on both side walls of the assembly hole, and a T-shaped rod is fixedly arranged between the two T-shaped rods. A heat dissipation fan, the detachable dust-proof mechanism and the housing are arranged on the housing, the detachable dust-proof mechanism includes frame one, frame two, dust-proof net one and dust-proof net two, the housing Both sides are provided with side grooves, the frame 1 is clamped with the side grooves, the dust-proof net 1 is fixedly installed in the frame 1, and the frame 2 is in contact with the inner wall around the assembly hole. The utility model has the following advantages and effects: the dust-proof net can be removed conveniently to clean the dust, and the use is convenient.

Description

A power supply for electrical instruments and meters with explosion-proof function

technical field

The utility model relates to the technical field of power supplies, in particular to a power supply for electrical instruments and meters with an explosion-proof function.

Background technique

The manufacture of electrical instruments and meters refers to the manufacture of general instruments for measuring or testing voltage, current, resistance or power, but does not include the manufacture of measuring instruments in the process of power generation or power supply.

The power supply of electrical instruments and meters is a device that converts other forms of energy into electrical energy. The current heat dissipation device is installed inside the power supply of electrical instruments and meters to effectively improve the explosion-proof performance of the power supply of electrical instruments and meters. The announcement number is CN 215818908 U. The power supply for electrical instruments and meters includes a casing, a threaded rod, and a casing cover. The lower surface of the casing is welded with a support seat, and an installation cavity is opened on the casing. Fan blades are installed on the upper end of the inner wall of the installation cavity. The lower end of the inner wall of the housing is equipped with a dust-proof net through bolts, the power supply body is placed in the housing, the housing cover is movably clamped on the housing, and a lower pressure rod is threaded at the middle position of the housing cover. The bottom end of the rod is in contact with the upper surface of the power supply body. A rotating ring is welded to the upper end of the threaded rod. The rotating ring is rotatably mounted on the shell cover, and the lower end of the threaded rod is threadedly mounted on the shell.

It also needs to adjust the size of the heat dissipation window during the heat dissipation process, which is not convenient to use, and its dust-proof net is fixed. After a long time of use, the dust-proof net will be covered with dust, and the dust-proof net is not easy to remove and clean , can only be wiped, but cannot completely remove the dust on the dust-proof net. Therefore, it is necessary to design a power supply for electrical instruments and meters with explosion-proof function that can be conveniently removed from the dust-proof net to clean up the dust.

Utility model content

The purpose of the utility model is to provide a power supply for electrical instruments and meters with an explosion-proof function, which has the effect that the dust-proof net can be easily removed to clean the dust, and the use is convenient.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions: it includes a housing, an electrical instrumentation power supply body and a detachable dust-proof mechanism, a pole is fixed on the inner wall of the bottom of the housing, and The top end is fixedly connected to the main body of the electrical instrumentation power supply, and an assembly hole is opened at the bottom of the housing, T-shaped rods are fixedly installed on both side walls of the assembly hole, and a cooling fan is fixedly installed between the two T-shaped rods. The detachable dustproof mechanism and the casing are arranged on the casing.

The utility model is further set as: the detachable dust-proof mechanism includes a frame one, a frame two, a dust-proof net and a dust-proof net two, side grooves are opened on both sides of the housing, and the frame one and The side grooves are snapped together, the first dust-proof net is fixedly installed in the first frame, the second frame is in contact with the inner wall around the assembly hole, the top of the second frame is in contact with the T-shaped bar, and the second dust-proof net is fixed Installed in the frame two, the two sides of the frame two are provided with card slots, one side of the frame is fixedly provided with an elongated bar that fits into the card slots, the top of the frame one is fixedly provided with a shell cover, the The bottom of the shell cover is in contact with the shell, a screw rod is threadedly connected to one shell cover, and a screw groove is opened on the other shell cover, and the screw rod is threadedly connected to the screw groove.

The utility model is further provided as follows: the bottom of the housing is fixedly provided with two bearing seats.

By adopting the above technical solution, the housing is supported.

A further configuration of the present utility model is that: the main body of the electrical instrumentation power supply is located in the casing.

The utility model is further set as: the heat dissipation fan is located under the main body of the electrical instrumentation power supply.

By adopting the above technical solution, it is convenient to dissipate heat from the main body of the power supply of the electrical instrument.

The further setting of the present utility model is: the heat dissipation fan is located in the assembly hole.

The utility model is further configured as follows: the side wall of the side groove is provided with an elongated hole, and the elongated strip is clamped with the elongated hole.

The utility model is further configured as follows: the side wall of the side groove is provided with heat dissipation holes, and the frame one covers the heat dissipation holes.

The beneficial effects of the utility model are:

1. Through the detachable dust-proof mechanism provided in the utility model, it is only necessary to turn the screw rod so that the screw rod moves out of the screw groove, and then pull the two shell covers to move the frame one out of the side groove, which is convenient for the anti-proof on the frame one Clean the dust net once;

2. The utility model is provided with a detachable dust-proof mechanism. When the frame 1 is moved out of the side groove, the elongated bar moves out of the slot to release the limit on the frame 2. At this time, the frame 2 can also be disassembled. , and then make it convenient to clean the dust-proof net 2 on the frame 2, and can conveniently remove the dust-proof net to clean up the dust.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is a structural schematic diagram of a power supply for electrical instruments and meters with explosion-proof function proposed by the utility model.

Fig. 2 is a schematic cross-sectional structure diagram of a power supply for electrical instruments and meters with an explosion-proof function proposed by the utility model.

Fig. 3 is a schematic structural diagram of part A in Fig. 2 .

FIG. 4 is a schematic structural diagram of part B in FIG. 2 .

In the figure, 1. Shell; 2. Prop; 3. Main body of electrical instrumentation power supply; 4. Side groove; 5. Frame 1; 6. Dustproof net 1; 7. Shell cover; T-shaped bar; 10, cooling fan; 11, frame two; 12, dust-proof net two; 13, elongated bar; 14, screw rod; 15, carrier.

Detailed ways

The technical solutions of the present utility model will be clearly and completely described below in conjunction with specific embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the utility model provides a power supply for electrical instruments and meters with an explosion-proof function, including a housing 1, a main body 3 of the power supply for electrical instruments and meters, and a detachable dust-proof mechanism. The main body of the power supply 3 is located in the housing 1, and the inner wall of the bottom of the housing 1 is fixed with a support rod 2, and the top of the support rod 2 is fixedly connected with the power supply main body 3 of the electrical instrument. T-shaped rods 9 are fixedly arranged on the side walls, and a cooling fan 10 is fixedly arranged between the two T-shaped rods 9. The cooling fan 10 is located in the assembly hole 8, and the cooling fan 10 is located below the main body 3 of the electrical instrumentation power supply. Connect its own power supply to make the heat dissipation fan 10 work. The detachable dustproof mechanism and the housing 1 are arranged on the housing 1. When the heat dissipation fan 10 is started, the heat can be discharged, so that the main body 3 of the electrical instrumentation power supply has a better performance. Explosion-proof performance, and can meet the heat dissipation requirements, easy to use.

According to Fig. 2, Fig. 3 and Fig. 4, the detachable dust-proof mechanism includes frame 1 5, frame 2 11, dust-proof net 1 6 and dust-proof net 2 12, and both sides of the housing 1 are provided with side grooves 4 , the frame one 5 is snapped together with the side groove 4, the dustproof net one 6 is fixedly installed in the frame one 5, the frame two 11 is in contact with the inner wall around the assembly hole 8, and the top of the frame two 11 is in contact with the T-bar 9, preventing The dust net 2 12 is fixedly installed in the frame 2 11, the two sides of the frame 11 are provided with card slots, the side of the frame 1 5 is fixedly provided with elongated strips 13 which are engaged with the card slots, and the top of the frame 1 5 is fixedly provided with a shell Cover 7, the bottom of the shell cover 7 is in contact with the housing 1, one shell cover 7 is threadedly connected with a screw rod 14, and the other shell cover 7 is provided with a screw groove, the screw rod 14 is threadedly connected with the screw groove, and the screw rod 14 is rotated to make the screw rod 14 Unscrew the screw groove, and then pull the two shell covers 7, the shell covers 7 drive the frame one 5 to move laterally, so that the elongated bar 13 moves out of the slot and the elongated hole, and the frame one 5 is removed, and the frame two is released at this time. 11, then the frame two 11 can be taken out from the assembly hole 8, and then it is convenient to take off the dust-proof net to clean up the dust.

According to Fig. 2, Fig. 3 and Fig. 4, there are elongated holes on the side wall of the side groove 4, and the elongated bar 13 is snapped into the elongated hole, so that the elongated bar 13 can be moved laterally, and the side groove 4 Cooling holes are provided on the side walls, and the frame 1 5 covers the cooling holes so that heat can be dissipated through the cooling holes.

As shown in FIG. 1 , two supports 15 are fixedly arranged at the bottom of the housing 1 , which can effectively support the housing 1 .

A power supply for electrical instruments and meters with explosion-proof function provided by the utility model has been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the utility model, and the descriptions of the above examples are only used to help understand the method and core idea of the utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made to the utility model, and these improvements and modifications also fall into the protection of the claims of the utility model. within range.

Claims (8)

1. A power supply for electrical instruments and meters with explosion-proof function, characterized in that it includes a housing (1), a main body (3) of the power supply for electrical instruments and meters and a detachable dust-proof mechanism, and the inner wall of the bottom of the housing (1) A support rod (2) is fixedly arranged, and the top end of the support rod (2) is fixedly connected with the main body (3) of the electrical instrumentation power supply, and the bottom of the housing (1) is provided with an assembly hole (8), and the assembly hole ( 8) T-shaped rods (9) are fixedly installed on both side walls, and a cooling fan (10) is fixedly installed between the two T-shaped rods (9). The detachable dust-proof mechanism and the housing (1 ) is set on the housing (1). 2. A power supply for electrical instruments and meters with explosion-proof function according to claim 1, characterized in that the detachable dust-proof mechanism includes frame one (5), frame two (11), dust-proof net one ( 6) and two dust-proof nets (12), side grooves (4) are opened on both sides of the housing (1), the frame one (5) is snapped into the side grooves (4), and the dust-proof The first net (6) is fixedly installed in the first frame (5), the second frame (11) is in contact with the inner wall around the assembly hole (8), and the top of the second frame (11) is in contact with the T-shaped bar (9) , the dust-proof net two (12) is fixedly installed in the frame two (11), the two sides of the frame two (11) are provided with slots, and the side of the frame one (5) is fixedly provided with slots corresponding to the slots. The clamped elongated bar (13), the top of the frame one (5) is fixed with a shell cover (7), the bottom of the shell cover (7) is in contact with the housing (1), and a shell cover (7) A screw rod (14) is threadedly connected to the top, and a screw groove is opened on the other shell cover (7), and the screw rod (14) is threadedly connected to the screw groove. 3. The power supply for electrical instruments and meters with explosion-proof function according to claim 1, characterized in that two supports (15) are fixedly arranged on the bottom of the casing (1). 4. The power supply for electrical instruments and meters with explosion-proof function according to claim 1, characterized in that the main body (3) of the power supply for electrical instruments and meters is located in the casing (1). 5. The power supply for electrical instruments and meters with explosion-proof function according to claim 1, characterized in that the heat dissipation fan (10) is located below the main body (3) of the power supply for electrical instruments and meters. 6 . The power supply for electrical instruments and meters with explosion-proof function according to claim 1 , characterized in that, the cooling fan ( 10 ) is located in the assembly hole ( 8 ). 7. A power supply for electrical instruments and meters with explosion-proof function according to claim 2, characterized in that, the side wall of the side groove (4) is provided with a long hole, and the long strip (13) and the long hole photo card. 8. The power supply for electrical instruments and meters with explosion-proof function according to claim 2, characterized in that, the side wall of the side groove (4) is provided with cooling holes, and the frame one (5) covers the cooling holes.

Images