CN218099349U

CN218099349U - Digital display ammeter

Info

Publication number: CN218099349U
Application number: CN202221697387.7U
Authority: CN
Inventors: 严旦; 江艳; 王鲜
Original assignee: Yueqing Aob Electric Co ltd
Current assignee: Yueqing Aob Electric Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-12-20
Anticipated expiration: 2032-06-30

Abstract

The utility model provides a digital display ammeter, which comprises a shell and a meter body arranged in the shell; the first through holes are formed in the two sides of the shell, the top of the shell and the bottom of the shell; the cover body is arranged outside the shell, the blowing piece is connected to the top of the cover body in a penetrating mode, and the second through holes are formed in the two sides of the cover body; the plugging mechanisms are arranged on two sides of the inner cavity of the cover body; when the plugging mechanism does not plug the second through hole, the meter body can realize heat dissipation through the communicated first through hole and the second through hole, and when the plugging mechanism plugs the second through hole, the meter body can realize heat dissipation through the air blowing piece and the first through hole. The utility model discloses a set up the heat dissipation of the table body into intelligent, can not only realize fully dispelling the heat to the table body according to the temperature change radiating mode in the shell, and can reduce the heat dissipation cost to whole practicality is stronger.

Description

Digital display ammeter

Technical Field

The utility model relates to a digital display ampere meter technical field especially relates to a digital display ampere meter.

Background

The digital display ammeter is divided into a single-phase digital display ammeter and a three-phase digital display ammeter, the digital display ammeter has the functions of transmitting, LED (or LCD) displaying, digital interfaces and the like, and measurement results are displayed in a digital form by AC sampling of various parameters in a power grid.

The prior art has the following defects: the digital display ammeter in the prior art adopts two heat dissipation modes, wherein one mode is to provide a heat dissipation port on a shell for heat dissipation, and the other mode is to perform heat dissipation by additionally arranging a blowing device matched with the heat dissipation port, and both the modes have defects; the shell is provided with the heat dissipation port for heat dissipation, so that the heat dissipation effect is poor, and when the temperature of the digital display ammeter is high and heat cannot be dissipated timely, the digital display ammeter is easy to damage; although the radiating effect is good by adopting the mode of additionally installing the fan for radiating, when the temperature of the digital display ammeter is lower and the radiating can be satisfied by only the radiating port arranged on the digital display ammeter, a large amount of electric quantity loss can be caused by continuous radiating through the fan.

SUMMERY OF THE UTILITY MODEL

The utility model provides a digital display ammeter to prior art's not enough.

The utility model discloses a following technical means realizes solving above-mentioned technical problem: a digital display ammeter comprises a shell and a meter body arranged in the shell;

the first through holes are formed in the two sides of the shell, the top of the shell and the bottom of the shell and distributed in a matrix form;

the second through holes are formed in two sides of the cover body and distributed in a matrix form;

the plugging mechanisms are arranged on two sides of the inner cavity of the cover body and plug the second through hole;

when the plugging mechanism does not plug the second through hole, the meter body can realize heat dissipation through the communicated first through hole and the second through hole, and when the plugging mechanism plugs the second through hole, the meter body can realize heat dissipation through the air blowing piece and the first through hole.

Preferably, an air supply channel is formed between the cover body and the shell, and the plugging mechanism is arranged in the air supply channel.

Preferably, the plugging mechanism comprises sealing plates arranged on two sides of the air supply channel and telescopic pieces connected between the sealing plates and the shell and symmetrically arranged.

Preferably, the third through-hole that is the matrix and distributes is seted up to shrouding one side, the shrouding will correspond the second through-hole shutoff of position, the third through-hole is crisscross the setting with the second through-hole that corresponds the position.

Preferably, the inner wall of the shell is connected with a temperature sensor, the top of the cover body is connected with a controller, the output end of the temperature sensor is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the input end of the telescopic piece and the input end of the blowing piece.

Preferably, the blowing piece is a fan or an air pump, and the telescopic piece is an air cylinder.

The utility model has the advantages that:

the utility model discloses a controller control shutoff mechanism does not carry out the shutoff to the second through-hole, when the temperature in the shell is relatively lower, can realize the heat dissipation to the table body through communicating first through-hole and second through-hole, through controller control shutoff mechanism with the shutoff of second through-hole, when the temperature in the shell is relatively higher, blow to air supply channel in through control, make wind pass through the shell both sides, the shell top, and the shell bottom gets into to the shell in, thereby can realize the heat dissipation of blowing simultaneously to table body top, bottom, and both sides, the radiating surface is long-pending more extensive, thereby the radiating effect is better, set up the heat dissipation of the table body into intelligent, can be according to the temperature change radiating mode in the shell, not only can realize fully dispelling the heat to the table body, and can reduce the heat dissipation cost, thereby whole practicality is lighter.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of fig. 1 of the present invention;

fig. 3 is a schematic diagram of the circuit module of the present invention.

Fig. 4 is a schematic view of the controller controlling the plugging mechanism to open the second through hole in fig. 2 according to the present invention;

fig. 5 is a schematic view of the blowing member of fig. 2.

In the figure: 1. a housing; 2. a watch body; 3. a first through hole; 4. a cover body; 5. an air supply channel; 6. a blowing member; 7. a second through hole; 8. a plugging mechanism; 81. closing the plate; 82. a telescoping member; 821. a third through hole; 9. a temperature sensor; 10. a controller; 11. and (7) air outlet.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Examples

Referring to fig. 1 to 5, a digital ammeter of the present embodiment includes a housing 1 and a meter body 2 disposed in the housing 1; the first through holes 3 are formed in the two sides of the shell 1, the top of the shell 1 and the bottom of the shell 1 and distributed in a matrix shape; the temperature control device comprises a cover body 4, a blowing piece 6 and second through holes 7, wherein the cover body 4 is connected to the outside of a shell 1 through a connecting piece, the blowing piece 6 is connected to the top of the cover body 4 in a penetrating manner, the second through holes 7 are formed in two sides of the cover body 4 and distributed in a matrix manner, the inner wall of the shell 1 is connected with a temperature sensor 9, the top of the cover body 4 is connected with a controller 10, the output end of the temperature sensor 9 is electrically connected with the input end of the controller 10, and the output end of the controller 10 is electrically connected with the input end of the blowing piece 6; the plugging mechanisms 8 are arranged on two sides of the inner cavity of the cover body 4, the second through hole 7 is plugged by the plugging mechanisms 8, an air supply channel 5 is formed between the cover body 4 and the shell 1, the plugging mechanisms 8 are arranged in the air supply channel 5, and the air blowing piece 6 is a fan or an air pump; as shown in fig. 4, when the plugging mechanism 8 does not plug the second through hole 7, the meter body 2 can dissipate heat through the first through hole 3 and the second through hole 7 which are communicated with each other, and as shown in fig. 5, when the plugging mechanism 8 plugs the second through hole 7, the meter body 2 can dissipate heat through the blowing piece 6 and the first through hole 3;

setting a value of the temperature sensor 9, wherein when the temperature in the casing 1 is lower than the value, the temperature in the casing 1 is relatively low, and the heat dissipation of the watch body 2 can be realized only by the heat dissipation port on the casing 1, and when the temperature in the casing 1 is higher than the value, the temperature in the casing 1 is relatively high, and the heat dissipation of the watch body 2 cannot be realized only by the heat dissipation port on the casing 1;

when the watch body 2 is used, the controller 10 controls the plugging mechanism 8 not to plug the second through hole 7, as shown in fig. 4, so that heat dissipation of the watch body 2 can be realized through the first through hole 3 and the second through hole 7 which are communicated, when the temperature in the case 1 is lower than a value set by the temperature sensor 9, the temperature in the case 1 is relatively low, heat dissipation of the watch body 2 can be realized only through the first through hole 3 and the second through hole 7 which are communicated, the heat dissipation cost is low, when the watch body 2 is not used, the controller 10 controls the plugging mechanism 8 to plug the second through hole 7, as shown in fig. 2, dust is effectively prevented from entering the case 1 through the first through hole 3 and the second through hole 7 which are communicated, and being attached to the watch body 2, so that a large amount of dust is effectively prevented from entering the case 1 when the watch body 2 is not used, and effective dust prevention of the watch body 2 is realized;

when the temperature in the shell 1 is higher than the value set by the temperature sensor 9, the heat dissipation of the meter body 2 cannot be satisfied through the first through hole 3 and the second through hole 7 which are communicated with each other, at the moment, the temperature sensor 9 transmits the physical signal to the controller 10, the controller 10 controls the plugging mechanism 8 to plug the second through hole 7, and simultaneously controls the air blowing piece 6 to blow air into the air blowing channel 5, and the air entering the air blowing channel 5 enters the shell 1 through the two sides of the shell 1, the top of the shell 1 and the bottom of the shell 1, so that the heat dissipation of the top, the bottom and the two sides of the meter body 2 can be realized by blowing air simultaneously, the heat dissipation area is wide, the heat dissipation effect is good, the air entering the shell 1 is discharged through the air outlet 11 after blowing through the meter body 2, the heat in the shell 1 can be continuously taken out, and the heat dissipation effect of the meter body 2 is further improved.

In order to realize that the controller 10 blocks the second through hole 7, the blocking mechanisms 8 are arranged on two sides of the inner cavity of the cover body 4, the output end of the controller 10 is electrically connected with the input end of the telescopic piece 82, when the controller 10 controls the telescopic piece 82 to extend simultaneously, the second through hole 7 can be blocked by the sealing plate 81, and when the controller 10 controls the telescopic piece 82 to shorten simultaneously, the blocked second through hole 7 can be opened.

It should be noted that, in this document, if there are first and second, etc., relational terms are only used for distinguishing one entity or operation from another entity or operation, and there is no necessarily any requirement or suggestion that any actual relation or order exists between the entities or operations. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a digital display ammeter, includes shell (1) and sets up the table body (2) in shell (1), its characterized in that:

the first through holes (3) are formed in the two sides of the shell (1), the top of the shell (1) and the bottom of the shell (1);

the air blowing device comprises a cover body (4), an air blowing piece (6) and second through holes (7), wherein the cover body (4) is arranged outside the shell (1), the air blowing piece (6) is connected to the top of the cover body (4) in a penetrating mode, and the second through holes (7) are formed in two sides of the cover body (4);

the plugging mechanisms (8) are arranged on two sides of the inner cavity of the cover body (4);

when the plugging mechanism (8) does not plug the second through hole (7), the heat dissipation of the meter body (2) can be realized through the communicated first through hole (3) and the second through hole (7), and when the plugging mechanism (8) plugs the second through hole (7), the heat dissipation of the meter body (2) can be realized through the air blowing piece (6) and the first through hole (3).

2. A digital ammeter as claimed in claim 1 wherein: an air supply channel (5) is formed between the cover body (4) and the shell (1), and the plugging mechanism (8) is arranged in the air supply channel (5).

3. A digital ammeter as claimed in claim 2, wherein: the plugging mechanism (8) comprises sealing plates (81) arranged on two sides of the air supply channel (5) and expansion pieces (82) which are connected between the sealing plates (81) and the shell (1) and symmetrically arranged.

4. A digital ammeter as claimed in claim 3 wherein: the third through-hole (821) that is the matrix and distributes is seted up to shrouding (81) one side, shrouding (81) will correspond second through-hole (7) shutoff of position, third through-hole (821) is the setting of staggering with second through-hole (7) that correspond the position.

5. A digital ammeter as claimed in claim 3 wherein: the temperature-sensing air-blowing air-conditioning system is characterized in that a temperature sensor (9) is connected to the inner wall of the shell (1), a controller (10) is connected to the top of the cover body (4), the output end of the temperature sensor (9) is electrically connected with the input end of the controller (10), and the output end of the controller (10) is electrically connected with the input end of the extensible part (82) and the input end of the air-blowing part (6) in an equal manner.

6. A digital ammeter as claimed in claim 3, wherein: the blowing piece (6) is a fan or an air pump, and the telescopic piece (82) is an air cylinder.