Heat dissipation type photoelectric relay

Abstract

The utility model discloses a heat dissipation type photoelectric relay, and relates to the technical field of photoelectric relays, the heat dissipation type photoelectric relay comprises a relay housing and a circuit board, the circuit board is fixedly arranged at the inner bottom end of the relay housing, and a plurality of electrical components are integrated on the upper surface of a circuit board main body; hollow plates are fixedly arranged on the two sides of the interior of the relay shell, a plurality of heat exchange pipes are fixedly arranged between the two hollow plates, fixing shells are fixedly arranged on the two sides of the relay shell, a fan is fixedly arranged in the fixing shell on one side, and an air outlet of the fan communicates with the hollow plate on one side through an air inlet pipe. An air outlet pipe is fixedly arranged at one end of the outer side of the hollow plate on the other side, and one end of the air outlet pipe extends to the outer side of the relay shell; and a first filter plate is arranged in the fixed shell close to one side of the fan in a sliding manner. According to the utility model, the filter plate at the air inlet can be automatically cleaned while heat dissipation is carried out, so that smooth air inlet can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of photoelectric relays, in particular to a heat dissipation type photoelectric relay. Background Art

[0002] Since the photoelectric relay is an electrical device, the internal electronic components will generate a certain amount of heat during the operation of the relay. At the same time, in order to ensure the smooth operation of the electronic components, the interior of the relay is sealed, and a small amount of hot air will be discharged from the gap between the holes. This method cannot fundamentally solve the problem of heat dissipation and cooling inside the relay. When the temperature is high, the relay will become hot. Long-term operation under high temperature conditions can easily cause damage to the relay and aging of internal components.

[0003] Among them, the announcement number CN219960554U discloses a photoelectric relay, which relates to the field of relay technology, including a relay body, line connection terminals are distributed on both sides of the relay body, electronic components are arranged inside the relay body, air inlet ports and air exhaust ports are arranged at both ends of the relay body, closing covers are connected to the air inlet ports and the air exhaust ports, filters are installed at the ports of the air inlet ports and the air exhaust ports, and a fan is arranged inside the air inlet port. There are still defects in this technical solution:

[0004] In this technical solution, the filter in the air inlet port is fixedly arranged, so during long-term use, a lot of dust will accumulate on the surface of the filter, thereby reducing the air intake efficiency, that is, reducing the heat dissipation efficiency. Utility Model Content

[0005] In view of the above problems existing in the existing photoelectric relays, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a heat dissipation type photoelectric relay, which solves the problem that the filter in the air inlet port of the photoelectric relay in the prior art is fixed, so during long-term use, a lot of dust will accumulate on the surface of the filter, thereby reducing the air intake efficiency, that is, reducing the heat dissipation efficiency.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A heat dissipation photoelectric relay comprises a relay housing and a circuit board, wherein the circuit board is fixedly arranged at the inner bottom end of the relay housing, and a plurality of electrical components are integrated on the upper surface of the circuit board body;

[0009] Hollow plates are fixedly arranged on both sides of the interior of the relay housing, a plurality of heat exchange tubes are fixedly arranged between the two hollow plates, fixed shells are fixedly arranged on both sides of the relay housing, a fan is fixedly arranged inside the fixed shell on one side, an air outlet of the fan is connected to the hollow plate on one side through an air inlet pipe, an air outlet pipe is fixedly arranged on one end of the outer side of the hollow plate on the other side, and one end of the air outlet pipe extends to the outside of the relay housing;

[0010] A first filter plate is slidably arranged in a fixed shell near the fan side, a second filter plate is fixedly arranged in a fixed shell away from the fan side, and a transmission mechanism for driving the first filter plate to move back and forth is arranged on one side of the fan.

[0011] Preferably, the transmission mechanism includes a rack and an incomplete gear, one end of the rotating shaft of the fan extends to the outside of the fan, and the outside end of the rotating shaft of the fan is fixedly sleeved with the first bevel gear, and a transmission rod is rotatably arranged inside the fixed shell and between the first filter plate and the fan, the front end of the transmission rod is fixedly sleeved with the second bevel gear, the first bevel gear is meshed with the second bevel gear, the incomplete gear is fixedly sleeved with the rear end of the transmission rod, the rack is fixedly arranged on a side of the first filter plate close to the fan, the rack is meshed with the incomplete gear, and a groove is provided on the upper side of the fixed shell on one side, a sliding rod is fixedly arranged on the upper side of the rack, one end of the sliding rod extends to the inside of the groove, and a spring is fixedly arranged on the upper end of the sliding rod and located on the side away from the first filter plate, and the other end of the spring is fixedly connected to the inner wall of the groove.

[0012] Preferably, a limiting rod is fixedly provided inside the groove, and the upper end of the sliding rod is movably sleeved with the limiting rod.

[0013] Preferably, the plurality of heat exchange tubes are copper tubes.

[0014] Preferably, a plurality of heat dissipation fins are fixedly disposed on the top of the relay housing.

[0015] Preferably, a sealing gasket is provided on the outer wall of the first filter plate.

[0016] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0017] According to the utility model, when the fan rotates, the rotating shaft of the fan drives the first bevel gear to rotate, and the first bevel gear drives the second bevel gear to rotate, so that the transmission rod drives the incomplete gear to rotate, and the incomplete gear drives the rack to move, so that the first filter plate moves to the side close to the fan until the incomplete gear is separated from the rack, and the spring pushes the sliding rod to reset, so that the first filter plate is quickly reset, that is, the dust on the first filter plate can be shaken off and pushed out, so that the first filter plate can be automatically cleaned, and the air intake can be guaranteed to be unobstructed. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 This is a schematic diagram of the structure of a heat dissipation type photoelectric relay proposed by the utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of the structure of the local A part;

[0021] Figure 3 for Figure 1 Schematic diagram of the side view of the hollow core slab structure.

[0022] Description of reference numerals:

[0023] 1. Relay housing; 2. Circuit board; 3. Electrical components; 4. Hollow plate; 5. Heat exchange tube; 6. Fixed shell; 7. First filter plate; 8. Second filter plate; 9. Fan; 10. Inlet pipe; 11. Outlet pipe; 12. Heat dissipation fins; 13. First bevel gear; 14. Transmission rod; 15. Incomplete gear; 16. Second bevel gear; 17. Rack; 18. Limit rod; 19. Sliding rod; 20. Spring. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] The utility model embodiment discloses a heat dissipation type photoelectric relay.

[0026] Reference Figure 1-3A heat dissipation type photoelectric relay comprises a relay housing 1 and a circuit board 2, wherein the circuit board 2 is fixedly arranged at the inner bottom end of the relay housing 1, a plurality of electrical components 3 are integrated on the upper surface of the main body of the circuit board 2, and a plurality of heat dissipation fins 12 are fixedly arranged on the top of the relay housing 1 to improve the heat dissipation performance of the relay housing 1;

[0027] Hollow plates 4 are fixedly arranged on both sides of the interior of the relay housing 1, and multiple heat exchange tubes 5 are fixedly arranged between the two hollow plates 4. The multiple heat exchange tubes 5 are copper tubes with good thermal conductivity. Fixed shells 6 are fixedly arranged on both sides of the relay housing 1. A fan 9 is fixedly arranged inside the fixed shell 6 on one side. The air outlet of the fan 9 is connected to the hollow plate 4 on one side through an air inlet pipe 10. An air outlet pipe 11 is fixedly arranged on one end of the outer side of the hollow plate 4 on the other side, and one end of the air outlet pipe 11 extends to the outside of the relay housing 1;

[0028] Reference Figure 1-3 A first filter plate 7 is slidably arranged in the fixed shell 6 on the side close to the fan 9, and a sealing gasket is arranged on the outer wall of the first filter plate 7 to improve the sealing between the first filter plate 7 and the fixed shell 6. A second filter plate 8 is fixedly arranged in the fixed shell 6 on the side away from the fan 9.

[0029] Reference Figure 1-3 A transmission mechanism for driving the first filter plate 7 to reciprocate is provided on one side of the fan 9, and the transmission mechanism includes a rack 17 and an incomplete gear 15. One end of the rotating shaft of the fan 9 extends to the outside of the fan 9, and the outer end of the rotating shaft of the fan 9 is fixedly sleeved with a first bevel gear 13. A transmission rod 14 is rotatably provided inside the fixed shell 6 and between the first filter plate 7 and the fan 9. The front end of the transmission rod 14 is fixedly sleeved with a second bevel gear 16. The first bevel gear 13 is meshed with the second bevel gear 16, and the incomplete gear 15 is fixedly sleeved on the rear end of the transmission rod 14. The rack 17 is fixedly arranged on the side of the first filter plate 7 close to the fan 9, and the rack 17 is meshed with the incomplete gear 15. A groove is opened on the upper side of the fixed shell 6 on one side, and a slide bar 19 is fixedly arranged on the upper side of the rack 17. One end of the slide bar 19 extends to the inside of the groove. A spring 20 is fixedly arranged on the upper end of the slide bar 19 and on the side away from the first filter plate 7. The other end of the spring 20 is fixedly connected to the inner wall of the groove. A limit rod 18 is fixedly arranged inside the groove, and the upper end of the slide bar 19 is movably sleeved with the limit rod 18, so that the slide bar 19 can slide stably.

[0030] In the utility model, when in use, the fan 9 draws air into the heat exchange tube 5, and the heat exchange tube absorbs heat, so that when the air is discharged from the heat exchange tube, it takes away the heat in the relay housing, that is, it can efficiently dissipate heat for the internal components of the relay. At the same time, when the fan 9 rotates, the rotating shaft of the fan 9 drives the first bevel gear 13 to rotate, and the first bevel gear 13 drives the second bevel gear 16 to rotate, so that the transmission rod 14 drives the incomplete gear 15 to rotate, and the incomplete gear 15 drives the rack 17 to move, so that the first filter plate 7 moves to the side close to the fan 9 until the incomplete gear 15 is separated from the rack 17, and the spring 20 pushes the slide bar 19 to reset, so that the first filter plate 7 is quickly reset, that is, the dust on the first filter plate 7 can be shaken off and pushed out, so as to realize automatic cleaning of the first filter plate 7 and ensure smooth air intake.

[0031] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A heat dissipation photoelectric relay, comprising a relay housing (1) and a circuit board (2), characterized in that: The circuit board (2) is fixedly arranged at the inner bottom end of the relay housing (1), and a plurality of electrical components (3) are integrated on the upper surface of the main body of the circuit board (2); Hollow plates (4) are fixedly arranged on both sides of the interior of the relay housing (1), a plurality of heat exchange tubes (5) are fixedly arranged between the two hollow plates (4), fixed shells (6) are fixedly arranged on both sides of the relay housing (1), a fan (9) is fixedly arranged inside the fixed shell (6) on one side, an air outlet of the fan (9) is connected to the hollow plate (4) on one side through an air inlet pipe (10), and an air outlet pipe (11) is fixedly arranged on one end of the outer side of the hollow plate (4) on the other side, and one end of the air outlet pipe (11) extends to the outside of the relay housing (1); A first filter plate (7) is slidably disposed in a fixed shell (6) on a side close to the fan (9), a second filter plate (8) is fixedly disposed in a fixed shell (6) on a side away from the fan (9), and a transmission mechanism for driving the first filter plate (7) to reciprocate is disposed on one side of the fan (9).

2. The heat dissipation type photoelectric relay according to claim 1, characterized in that: The transmission mechanism comprises a rack (17) and an incomplete gear (15); one end of the rotating shaft of the fan (9) extends to the outside of the fan (9); the outside end of the rotating shaft of the fan (9) is fixedly sleeved with a first bevel gear (13); a transmission rod (14) is rotatably arranged inside the fixed shell (6) and between the first filter plate (7) and the fan (9); the front end of the transmission rod (14) is fixedly sleeved with a second bevel gear (16); the first bevel gear (13) is meshingly connected with the second bevel gear (16); the incomplete gear (15) is fixedly sleeved with the first bevel gear (13); and the first bevel gear (13) is meshingly connected with the second bevel gear (16). The rack (17) is connected to the rear end of the transmission rod (14), and is fixedly arranged on a side of the first filter plate (7) close to the fan (9). The rack (17) is meshed with the incomplete gear (15). A groove is provided on the upper side of the fixed shell (6) on one side. A slide bar (19) is fixedly arranged on the upper side of the rack (17). One end of the slide bar (19) extends into the interior of the groove. A spring (20) is fixedly arranged on the upper end of the slide bar (19) and on a side away from the first filter plate (7). The other end of the spring (20) is fixedly connected to the inner wall of the groove.

3. The heat dissipation type photoelectric relay according to claim 2, characterized in that: A limiting rod (18) is fixedly arranged inside the groove, and the upper end of the sliding rod (19) is movably sleeved with the limiting rod (18).

4. The heat dissipation type photoelectric relay according to claim 1, characterized in that: The plurality of heat exchange tubes (5) are all copper tubes.

5. The heat dissipation type photoelectric relay according to claim 1, characterized in that: A plurality of heat dissipation fins (12) are fixedly arranged on the top of the relay housing (1).

6. The heat dissipation type photoelectric relay according to claim 1, characterized in that: The outer wall of the first filter plate (7) is provided with a sealing gasket.

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