CN206350261U - A kind of general digital electric protection device - Google Patents

Abstract

The utility model discloses a universal digital power protection device, which relates to the field of power protection equipment. A universal digital power protection device, comprising a metal box, the metal box includes a panel and a housing, the housing is provided with a heat dissipation observation device, the heat dissipation observation device includes a vent, and a vent door is provided on the vent , the ventilation door is hinged with the housing, a first groove is set at the ventilation opening, a magnetic layer is set on the first groove, and the side wall of the ventilation door opposite to the magnetic layer is an iron ventilation door side wall , the thickness of the first groove is the same as that of the ventilation door, the ventilation door is provided with a plurality of ventilation holes, and the plurality of ventilation holes are arranged on the ventilation door from top to bottom. The beneficial effect of the utility model is that: the device can not only dissipate the heat of the device, ensure the safety and stability of the device operation, but also facilitate checking the internal conditions of the device.

Description

A general digital power protection device

technical field

The utility model mainly relates to the field of power protection equipment, in particular to a universal digital power protection device.

Background technique

Digital power protection is to make judgments by analyzing the operating parameters of the power system to protect the relay protection of lines, transformers, motors and capacitors under certain conditions. The existing general-purpose digital power protection device for small high-voltage switchgear or low-voltage complete set of equipment is installed through a closed metal box, and can be embedded in small high-voltage switchgear or low-voltage complete set of equipment, and the signal is processed through the embedded controller And sending, can write the control software of various existing special equipment and line protection devices into the embedded controller, so as to provide better versatility, comprehensive functions, and simple wiring. However, when this general digital power protection device runs after being embedded in the equipment, there will be the following problems:

1. The entire device of the existing universal digital power protection device is closed and cannot be ventilated. Once the temperature inside the device rises, heat will accumulate in the housing and damage the metal box and internal circuit components.

2. The existing general digital power protection device is not convenient to check the internal conditions of the device during operation. When it is necessary to check, the shell needs to be disassembled, which is very inconvenient.

Utility model content

In order to solve the deficiencies of the prior art, the utility model provides a universal digital power protection device, which can not only dissipate heat to ensure the safety and stability of the device operation, but also facilitate viewing of the internal conditions of the device.

The utility model realizes above-mentioned purpose by following technical scheme:

A general digital power protection device, comprising a metal box, the metal box includes a panel and a housing, a circuit board and a signal acquisition module are arranged in the metal box, the circuit board includes an embedded controller, the The embedded controller is connected to the signal acquisition module, the housing is provided with a signal input terminal and a control signal output terminal on the side opposite to the panel, the signal acquisition module is connected to the signal output terminal, and the embedded controller is connected to the control signal The output terminal is connected, and a heat dissipation observation device is provided on the housing, and the heat dissipation observation device includes a vent, and a vent door is provided on the vent, and the vent door is hinged with the case, and a first groove is provided at the vent , the first groove is in contact with the ventilation door, a magnetic layer is set on the first groove, the side wall of the ventilation door opposite to the magnetic layer is a side wall of an iron ventilation door, and the side wall of the first groove is The thickness is the same as that of the ventilation door, and the ventilation hole is provided with a plurality of ventilation holes, and the plurality of ventilation holes are arranged from top to bottom on the ventilation door, and the positions of the ventilation holes and the ventilation opening adapt.

A second groove is arranged on the ventilation door, and a handle is arranged on the second groove. The handle is in an inverted U shape, and springs are vertically arranged on both sides of the handle 1. The spring is far away from the end of the handle and the second groove. connected, the thickness of the handle is not greater than the thickness of the second groove, and the handle is hinged with the ventilation door in the second groove.

Both the front side wall and the rear side wall of the housing are provided with heat dissipation observation devices.

The thickness of the first groove is one-third of the thickness of the casing.

A first filter screen is arranged in the vent.

A second filter is provided on the side of the vent door opposite to the magnetic layer, and the second filter is located at the position of the vent.

The outer wall of the ventilation door is made of the same material as the outer wall of the casing.

Compared with the prior art, the beneficial effects of the utility model are:

1. The device has a vent on the shell and hinges the vent door, and uses the magnetic layer to absorb the vent door to close the vent door, which solves the problem that the existing general digital power protection device cannot dissipate heat inside, and ensures the safety of the device operation sex and stability.

2. This device can check the internal conditions of the device from the casing without disassembling the casing, which is simple and convenient.

3. The setting of the handle is not only convenient to pull the ventilation door outwards, but also does not take up space. It is convenient to check the internal situation of the device and conduct greater heat dissipation inside the device.

4. Ventilation and heat dissipation devices are arranged on both sides of the housing, which can improve the heat dissipation efficiency of the device and facilitate viewing the internal conditions of the device from different angles.

5. The thickness of the first groove is one-third of the thickness of the shell, which will not affect the stability of the shell, ensure the stable operation of the circuit components in the shell, and ensure that the magnetic layer on the first groove absorbs the ventilation door to improve the efficiency of the device.

6. The first filter screen is set in the second groove, which can reduce the entry of external dust into the housing, and ensure the clean and stable operation of the circuit components in the housing.

7. The setting of the second filter further improves the efficiency of filtering external dust and the like at the vent.

8. The outer wall of the ventilation door is made of the same material as the outer wall of the casing, which makes the device simple and elegant, and improves the aesthetics of the device.

Description of drawings

Fig. 1 is a schematic structural view of the closed state of the ventilation door of the utility model;

Fig. 2 is a schematic diagram of the structure of the utility model in the open state of the ventilation door;

Fig. 3 is the enlarged view of I part of the utility model.

Numbers shown in the drawings: 1. Metal box; 2. Panel; 3. Shell; 4. Vent; 5. Vent door; 6. First groove; 7. Magnetic layer; 8. Vent; 9 , the second groove; 10, the handle; 11, the spring; 12, the first filter screen.

detailed description

The utility model will be further described in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present utility model and are not intended to limit the scope of the present utility model. In addition, it should be understood that those skilled in the art may make various changes or modifications to the utility model after reading the content taught by the utility model, and these equivalent forms also fall within the scope defined in the application. It should be noted that the terms front, back, left, and right used in the following description refer to the directions in FIG. 1 .

A general digital power protection device, comprising a metal box 1, the metal box 1 includes a panel 2 and a housing 3, the metal box 1 is provided with a circuit board and a signal acquisition module, and the circuit board includes a An embedded controller, the embedded controller is connected to the signal acquisition module, the housing 3 is provided with a signal input terminal and a control signal output terminal on the side opposite to the panel 2, the signal acquisition module is connected to the signal output terminal, the The embedded controller is connected with the control signal output terminal, and the circuit components such as the controller are used for the protection of the electric equipment. The housing 3 is provided with a heat radiation observation device, the heat radiation observation device includes a vent 4, and the vent 4 is provided with a vent door 5, as shown in Figure 1, the vent door 5 is hinged with the housing 3, The vent 4 is provided with a first groove 6, as shown in Figure 2, the first groove is The shape is set at the upper, left and lower positions of the ventilation opening, and the frame at the upper, left and lower position of the ventilation door is in contact with the frame of the groove. The first groove 6 is in contact with the ventilation door 5, the first groove 6 is provided with a magnetic layer 7, the side wall of the ventilation door 5 opposite to the magnetic layer 7 is an iron side wall, the magnetic layer and the ventilation The side wall of the iron material on the door cooperates to firmly absorb the ventilation door at the position of the first groove. The thickness of the first groove 6 is the same as that of the vent door 5, that is, when the vent door closes the vent, the outer side wall of the vent door and the outer side wall of the housing are set on the same horizontal plane, which does not take up space and is difficult to open. The original function of the housing will not be affected, and the device is simple and elegant, making the device aesthetically pleasing. Ventilation holes 8 are arranged on the ventilation door 5, and the ventilation holes 8 are multiple, and a plurality of ventilation holes 8 are arranged from top to bottom on the ventilation door 5, and the positions of the ventilation holes 8 and the ventilation openings 4 are relatively Adaptation, that is, a plurality of ventilation holes communicate with the ventilation openings to achieve the effect of heat dissipation. The device has a ventilation opening on the housing and hinges the ventilation door, and uses the magnetic layer to absorb the ventilation door to realize the closure of the ventilation door, which solves the problem that the existing general digital power protection device cannot dissipate heat inside, and ensures the safety and security of the device operation. Stability; on the premise of not disassembling the shell, it is simple and convenient to view the internal conditions of the device from the shell.

In order to facilitate the opening of the ventilation door, a second groove 9 is arranged on the ventilation door 5, and a handle 10 is arranged on the second groove 9. As shown in the accompanying drawing 1, the handle 10 is in an inverted U shape. Springs 11 are arranged vertically on both sides of the handle 10. The springs are located behind the two sides of the handle, and the other end is connected to the side wall of the air vent in the second groove to reset the handle. The end of the spring 11 away from the handle 10 is connected to the second groove 9, the thickness of the handle 10 is not greater than the thickness of the second groove 9, the handle is located inside the second groove, or flush with the outer wall of the housing, not Affect the original function of the shell. The handle 10 is hinged with the ventilation door 5 in the second groove 9 . When the handle is in use, because it is hinged with the ventilation door, it is pulled out of the second groove, and the ventilation door can be easily pulled out or closed through the handle. After opening or closing, when the hand is released, the spring will automatically move the handle Pull back into the second groove. The setting of the handle is not only convenient for pulling the ventilation door outwards, but also does not take up space. It is convenient to check the internal conditions of the device and conduct greater heat dissipation inside the device.

In order to improve the heat dissipation efficiency of the device, the interior of the device can be viewed from different angles, and a heat dissipation observation device is provided on the front side wall and the rear side wall of the housing 3 . Ventilation and heat dissipation devices are arranged on both sides of the casing, which can improve the heat dissipation efficiency of the device and facilitate viewing the internal conditions of the device from different angles.

In order to improve the use efficiency of the device, the thickness of the first groove 6 is one-third of the thickness of the casing 3 . The thickness of the first groove is one-third of the thickness of the shell, which will not affect the stability of the shell, ensure the stable operation of the circuit elements in the shell, and ensure that the magnetic layer on the first groove is attracted to the ventilation door. Improve device efficiency.

In order to reduce external dust and the like from entering the housing through the vent, a first filter 12 is provided in the vent 4 . The first filter screen is arranged in the second groove, which can reduce external dust and the like from entering the inside of the casing, and ensure clean and stable operation of the circuit elements in the casing.

In order to improve the filtering efficiency at the air vent of the device, a second filter is provided on the side of the air door 5 opposite to the magnetic layer 7 , and the second filter is located at the position of the air vent 4 . The first filter screen is arranged in the second groove, which can reduce external dust and the like from entering the inside of the casing, and ensure clean and stable operation of the circuit elements in the casing.

In order to improve the aesthetics of the device, the outer wall of the ventilation door 5 is made of the same material as the outer wall of the housing 3 . The outer side wall of the ventilation door and the outer side wall of the casing are located on the same horizontal plane, and the material of the outer side wall of the ventilation door and the outer side wall of the casing is the same, which makes the device simple and elegant, and improves the aesthetics of the device.

When the device is in use, by opening a vent on the shell and hinged the vent door, the ventilation door is closed by using the magnetic layer to absorb the vent door, and the vent hole is used to dissipate heat from the internal controller, circuit board and other circuit components. When it is necessary to check the inside of the casing 1, or when a stronger ventilation is required, it is only necessary to pull the ventilation door 4 outwards.

Example 1:

A general digital power protection device, comprising a metal box 1, the metal box 1 includes a panel 2 and a housing 3, the metal box 1 is provided with a circuit board and a signal acquisition module, and the circuit board includes a An embedded controller, the embedded controller is connected to the signal acquisition module, the housing 3 is provided with a signal input terminal and a control signal output terminal on the side opposite to the panel 2, the signal acquisition module is connected to the signal output terminal, the The embedded controller is connected to the control signal output terminal, the housing 3 is provided with a heat dissipation observation device, and the heat dissipation observation device includes a vent 4, and a vent door 5 is arranged on the vent 4, and the vent door 5 is connected to the vent 4. The housing 3 is hinged, and a first groove 6 is arranged at the vent 4, and the first groove 6 is in contact with the ventilation door 5, and a magnetic layer 7 is arranged on the first groove 6, and the magnetic layer can be a magnet , may also be a magnetized iron sheet. In this embodiment, for the convenience of installation, the magnetic layer is a magnetized iron sheet. The magnetized iron sheet is glued in the first groove. The side wall opposite to the ventilation door 5 and the magnetic layer 7 is an iron side wall, and the iron side wall on the ventilation door can be glued with an iron sheet on the side wall of the ventilation door, or can be arranged on the side wall of the ventilation door. Groove, an iron sheet is arranged at the groove, in order to make the outer side wall of the ventilation door and the outer side wall of the housing on the same horizontal plane, and the side wall of the ventilation door opposite to the magnetic layer is kept flush with the iron sheet, in this embodiment, the iron The mode adopted by the side wall is to set a groove on the side wall of the ventilation door, and set an iron sheet at the groove, and the iron sheet is flush with the side wall of the ventilation door. The thickness of the first groove 6 is the same as the thickness of the ventilation door 5, the ventilation hole 8 is set on the ventilation door 5, and there are a plurality of ventilation holes 8, and a plurality of the ventilation holes 8 are automatically formed on the ventilation door 5. Arranged from top to bottom, in this embodiment, there are 3 ventilation holes. The ventilation hole 8 is adapted to the position of the ventilation opening 4 . The device has a ventilation opening on the housing and hinges the ventilation door, and uses the magnetic layer to absorb the ventilation door to realize the closure of the ventilation door, which solves the problem that the existing general digital power protection device cannot dissipate heat inside, and ensures the safety and security of the device operation. stability. The device can check the internal conditions of the device from the casing without disassembling the casing, which is simple and convenient. The ventilation door can be provided with a groove on the ventilation opening, opened by hooks and grooves, or a handle can be set on the ventilation door. In this embodiment, the ventilation door 5 is provided with a second groove 9, and the second A handle 10 is arranged on the groove 9, and the handle 10 is in an inverted U shape. Springs 11 are vertically arranged on both sides of the handle 10. The two ends of the spring can be welded on the handle and the ventilation door, and the two ends of the spring can also be hooked. On the handle and the ventilation door, in the present embodiment, the two ends of the spring are welded on the handle and the ventilation door, and the spring is sleeved with a flexible hose for protecting the spring. The end of the spring 11 away from the handle 10 is connected to the second groove 9. The thickness of the handle 10 is not greater than the thickness of the second groove 9. In this embodiment, the handle is located inside the second groove. The handle 10 is hinged with the ventilation door 5 in the second groove 9 . The setting of the handle is not only convenient for pulling the ventilation door outwards, but also does not take up space. It is convenient to check the internal conditions of the device and conduct greater heat dissipation inside the device. Both the front side wall and the rear side wall of the housing 3 are equipped with heat radiation observation devices. Ventilation and heat dissipation devices are arranged on both sides of the casing, which can improve the heat dissipation efficiency of the device and facilitate viewing the internal conditions of the device from different angles. The thickness of the first groove 6 is one-third of the thickness of the casing 3 . The thickness of the first groove is one-third of the thickness of the shell, which will not affect the stability of the shell, ensure the stable operation of the circuit elements in the shell, and ensure that the magnetic layer on the first groove is attracted to the ventilation door. Improve device efficiency. A first filter 12 is arranged in the vent 4 . The first filter screen is arranged in the second groove, which can reduce external dust and the like from entering the inside of the casing, and ensure clean and stable operation of the circuit elements in the casing. A second filter screen is set on the side opposite to the magnetic layer 7 on the ventilation door 5, and the first filter screen and the second filter screen are both ultra-fine filter screens, which are all glued at the position of the air vent, and the filter screen is not located at the air vent position. The outer wall of the ventilation door can play the role of a filter without affecting the original function of the housing. The second filter screen is located at the vent 4 position. The first filter screen is arranged in the second groove, which can reduce external dust and the like from entering the inside of the casing, and ensure clean and stable operation of the circuit elements in the casing. The outer wall of the ventilation door 5 is located on the same level as the outer wall of the housing 3, and the material of the outer wall of the ventilation door 5 is the same as that of the outer wall of the housing 3. In this embodiment, in order to save costs, the ventilation door adopts Same material as shell. The outer wall of the ventilation door is made of the same material as the outer wall of the casing, which makes the device simple and elegant, and improves the aesthetics of the device. The beneficial effect of this embodiment is that the device can not only dissipate heat from the device, ensure the safety and stability of the device operation, but also facilitate viewing of the internal conditions of the device.

Claims (7)

1. A universal digital power protection device, comprising a metal box (1), said metal box (1) comprising a panel (2) and a housing (3), said metal box (1) being provided with a circuit board and a signal acquisition module, the circuit board includes an embedded controller, the embedded controller is connected to the signal acquisition module, and the side of the housing (3) opposite to the panel (2) is provided with a signal input terminal and a control signal Output terminal, the signal acquisition module is connected to the signal output terminal, the embedded controller is connected to the control signal output terminal, it is characterized in that: the housing (3) is provided with a heat dissipation observation device, and the heat dissipation observation device includes A vent (4), the vent (4) is provided with a vent door (5), the vent door (5) is hinged with the housing (3), and the vent (4) is provided with a first groove ( 6), the first groove (6) is in contact with the ventilation door (5), the magnetic layer (7) is set on the first groove (6), and the ventilation door (5) is in contact with the magnetic layer (7) ) opposite side wall is the side wall of the iron ventilation door (5), the thickness of the first groove (6) is the same as the thickness of the ventilation door (5), and the ventilation hole (8) is set on the ventilation door (5) ), the ventilation holes (8) are multiple, and a plurality of the ventilation holes (8) are arranged from top to bottom on the ventilation door (5), and the positions of the ventilation holes (8) and the ventilation openings (4) adapt. 2. A universal digital power protection device according to claim 1, characterized in that: a second groove (9) is set on the ventilation door (5), and a handle is set on the second groove (9) (10), the handle (10) is in an inverted U shape, and springs (11) are vertically arranged on both sides of the handle (10), and the end of the spring (11) away from the handle (10) and the second groove (9) connected, the thickness of the handle (10) is not greater than the thickness of the second groove (9), and the handle (10) is hinged with the ventilation door (5) in the second groove (9). 3. A universal digital power protection device according to claim 1 or 2, characterized in that: heat dissipation observation devices are arranged on the front side wall and the rear side wall of the housing (3). 4. A universal digital power protection device according to claim 1, characterized in that: the thickness of the first groove (6) is one-third of the thickness of the casing (3). 5. A universal digital power protection device according to claim 1, characterized in that: a first filter (12) is arranged in the vent (4). 6. A kind of universal digital power protection device according to claim 1, characterized in that: a second filter screen is set on the side opposite to the magnetic layer (7) on the ventilation door (5), and the second filter screen Located at the vent (4). 7. A universal digital power protection device according to claim 1, characterized in that: the outer wall of the ventilation door (5) is made of the same material as the outer wall of the casing (3).