CN220753322U - Heat dissipation protection device for relay - Google Patents

Abstract

The utility model relates to a heat radiation protection device for a relay, which relates to the technical field of relay protection and comprises a clamping shell, wherein the clamping shell comprises two clamping claw parts which are oppositely arranged and a straight part which is connected with the two clamping claw parts, the clamping claw parts are used for clamping and fixing the relay, a ventilation groove is formed in the straight part, a heat radiation shell is covered on the ventilation groove, a plurality of ventilation holes are formed in a plane, opposite to the ventilation groove, of the heat radiation shell, a driving motor is arranged in the heat radiation shell, a fan blade is fixedly arranged on the outer wall of an output shaft of the driving motor, and the fan blade is arranged in the ventilation groove. The utility model discloses a ventilation structure that is convenient for dispel the heat is set up in the relay periphery to can help the quick cooling of relay, prevent the relay because of generating heat and the problem that causes the relay to burn out, damage; and can fix the relay of equidimension not, make it adapt to multiple type relay.

Description

Heat dissipation protection device for relay

Technical Field

The utility model relates to the technical field of relay protection, and particularly discloses a heat dissipation protection device for a relay.

Background

Relays are commonly used in automation control circuits, mainly an "automatic switch" that uses a small current to control the operation of a large current. Therefore, the relay plays roles of automatic regulation, safety protection, circuit switching and the like in the circuit. Normally, a protective structure is arranged outside the relay, and the protective structure of the relay can provide safety protection for the relay when the relay works.

The authorized bulletin number is: the utility model patent of CN21150423U discloses a relay protection device, which comprises a relay body, an insulating layer, a relay shell, a protective cover, a drying device, a vent hole, a groove and a spring, wherein the insulating layer is arranged on the outer side of the relay body, the relay shell is arranged on the outer side of the insulating layer, the spring is arranged between the insulating layer and the relay shell, the protective cover is arranged above the relay shell, the drying device and the vent hole are arranged in the relay body, and the groove is arranged on the back of the relay shell.

The relay protection device in the disclosed patent technology meets the requirement of relay safety protection to a certain extent, but when the relay is used for a long time, because the relay is internally provided with continuous passing current, the current continuously generates heat, and the vent holes are only arranged for heat dissipation, so that the vent holes have limited heat dissipation capacity, the service life of the relay is reduced if the vent holes are light, and the relay elements in the relay are burnt and damaged due to high temperature, so that a circuit cannot be protected, and a fire disaster is possibly caused.

Disclosure of Invention

The utility model provides a heat dissipation protection device for a relay, aiming at the problem of low heat dissipation rate of the prior relay protection device.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a heat dissipation protection device for relay, including the centre gripping shell, the centre gripping shell includes the straight portion of two relative clamp claw portions that set up and connection two clamp claw portions, the clamp claw portion is used for the fixed relay of centre gripping, the ventilation groove has been seted up on the straight portion, the ventilation groove upper cover is equipped with the heat dissipation shell, a plurality of ventilation hole has been seted up on the plane that heat dissipation shell is relative with the ventilation groove, be provided with driving motor in the heat dissipation shell, fixedly on the outer wall of driving motor output shaft be provided with the flabellum, the flabellum sets up in the ventilation groove. The fan blade can rotate along with the output shaft of the driving motor, wind energy is generated in the rotation process of the fan blade, and heat in the relay is emitted to the outside air through the vent hole under the driving of the fan blade. The utility model discloses a ventilation structure that is convenient for dispel the heat is set up in the relay periphery to can help the quick cooling of relay, prevent the relay because of generating heat and the problem that causes the relay to burn out, damage; the utility model can fix relays with different sizes, so that the relay is suitable for various types of relays.

Preferably, two clamping jaw portions are provided with clamping plates on opposite sides respectively, the two clamping jaw portions are provided with mounting holes, threaded rods are respectively and threadedly mounted in the two mounting holes, a rotary handle portion at one end of each threaded rod is arranged on the outer side of the clamping shell, and a rod portion at the other end of each threaded rod is connected with the corresponding clamping plate. The distance between the clamping plate and the clamping jaw parts at the two ends of the clamping shell can be adjusted by screwing the threaded rod, so that the flexibility of the clamping shell is improved, and the clamping shell can be adapted to relays with various sizes; and, through setting up the cooperation structure of threaded rod and splint, still effectively strengthened the clamping shell and to the clamping degree of relay centre gripping, further promoted the stability of whole device.

Preferably, the clamping shell is further provided with a power supply mechanism, the power supply mechanism is located on one side where the heat dissipation shell is arranged, the power supply mechanism comprises a battery shell, the back surface of the battery shell is fixedly connected with the clamping shell, the battery shell is provided with a baffle plate capable of sliding up and down, and a battery can be installed in an inner cavity of the battery shell. The baffle plate can slide up and down in the battery shell, so that an operator can conveniently and quickly replace the battery; through set up power supply mechanism on the heat dissipation shell, can provide electric power for driving motor to use portable power storage equipment of battery class, not only reduced the electricity cost, still be convenient for maintain, can stably supply power under various environment.

Preferably, the upper end of the battery shell is externally connected with an anode wiring, the lower end of the battery shell is externally connected with a cathode wiring, and the anode wiring and the cathode wiring can pass through the heat dissipation shell to be electrically connected with the driving motor inside the heat dissipation shell. Through setting up the positive pole wiring and negative pole wiring respectively in the upper and lower end of battery case, not only adapted battery structure, still carried out rational arrangement to the wiring, promoted the harmony of whole device design.

Preferably, the positive electrode wiring is divided into a front section wiring and a rear section wiring, and a line switch for controlling opening and closing of a line is arranged between the front section wiring and the rear section wiring. The circuit switch is arranged at the joint between the front-section wiring and the rear-section wiring, so that the control capability of a power supply circuit of a power supply mechanism can be enhanced, stable power supply of the power supply mechanism is ensured, meanwhile, the energy consumption is reduced, and the production cost is saved.

Preferably, the circuit switch is installed on one side of the battery shell, the circuit switch comprises a first wiring board and a second wiring board, the first wiring board is arranged at a front section wiring port, a connecting shaft is slidably installed on the first wiring board, the second wiring board is fixedly arranged on the connecting shaft and connected with a rear section wiring port, and a rubber push plate is arranged at the bottom end of the connecting shaft. The connecting shaft can slide on the first wiring board, when the rubber push plate is used for pushing the connecting shaft to slide upwards, the connecting shaft drives the second wiring board to move upwards, and when the second wiring board contacts with the first wiring board, the front-section wiring and the rear-section wiring are closed to form a loop, so that the power supply mechanism supplies electric energy for the driving motor. Through the cooperation structure of design first wiring board, second wiring board and connecting axle, promoted the flexibility of circuit switch, the control power supply line of being convenient for opens and closes.

Preferably, the outer wall of the connecting shaft is provided with a clamping column, and the connecting part of the first wiring board and the connecting shaft is provided with a clamping groove matched with the clamping column. The card post can block in the draw-in groove on the inner peripheral wall of first wiring board, when upwards promoting the connecting axle to certain distance, utilizes the cooperation structure of card post and draw-in groove, makes first wiring board and second wiring board can stable contact to stability when reinforcing anterior segment wiring and back end wiring are connected guarantees the controllability of circuit switch to power supply line.

Preferably, the connection ports of the front section connection and the rear section connection are provided with a protective shell, the protective shell is arranged on the battery shell, one side of the protective shell is provided with a slot, and the first connection board and the second connection board can be placed in the slot. Through setting up protective housing, can protect the wiring port of inside anterior segment wiring and back end wiring, avoid having influenced the stability when wiring because of external factor, strengthened circuit switch's security.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The utility model discloses a ventilation structure that is convenient for dispel the heat is set up in the relay periphery to can help the quick cooling of relay, prevent the relay because of generating heat and the problem that causes the relay to burn out, damage;

(2) According to the relay clamping device, through the arrangement of the matching structure of the threaded rod and the clamping plate, relays with different sizes can be fixed, so that the relay clamping device is adaptive to various types of relays, the clamping degree of the clamping shell on the relay clamping is effectively enhanced, and the stability of the whole device is further improved;

(3) The utility model can conveniently and effectively control the opening and closing of the power supply circuit by arranging the circuit switch, reduces the energy consumption and saves the production cost while ensuring the stable power supply of the power supply mechanism, thereby having very wide application prospect.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is a schematic view illustrating the installation of a fan blade structure according to an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of a power supply mechanism according to an embodiment of the present utility model.

Fig. 4 is a schematic diagram of a circuit switch according to an embodiment of the present utility model.

In the figure: 1. line switch, 101, first patch panel, 102, second patch panel, 103, connecting shaft, 104, rubber push plate, 105, snap-in post, 106, protective housing, 2, grip housing, 3, vent slot, 4, heat sink housing, 5, vent hole, 6, drive motor, 7, fan blade, 8, threaded rod, 9, cleat, 10, power supply mechanism, 1001, battery housing, 1002, baffle, 1003, negative electrode connection, 1004, front section connection, 1005, rear section connection.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.

Referring to fig. 1-4, this embodiment provides a heat dissipation protection device for relay, including clamping shell 2, clamping shell 2 includes two relative clamping claw portions that set up and connects the straight portion of two clamping claw portions, clamping claw portion is used for the fixed relay of centre gripping, has seted up ventilation groove 3 on the straight portion, ventilation groove 3 upper cover is equipped with heat dissipation shell 4, has seted up a plurality of ventilation hole 5 on the plane that heat dissipation shell 4 is relative with ventilation groove 3, is provided with driving motor 6 in the heat dissipation shell 4, fixedly on driving motor 6 output shaft's the outer wall be provided with flabellum 7, flabellum 7 sets up in ventilation groove 3. The clamping claw parts at the two ends of the clamping shell 2 can clamp the relay, the fan blades 7 in the ventilation groove 3 can rotate along with the output shaft of the driving motor 6, wind energy is generated in the rotation process of the fan blades 7, and heat in the relay is emitted to the outside air through the ventilation holes 5 under the driving of the fan blades 7. The utility model discloses a ventilation structure that is convenient for dispel the heat is set up in the relay periphery to can help the quick cooling of relay, prevent the relay because of generating heat and the problem that causes the relay to burn out, damage; the utility model can fix relays with different sizes, so that the relay is suitable for various types of relays.

Wherein, the rotation external diameter of flabellum 7 suits with the inner wall size of ventilation groove 3, is favorable to discharging the heat in the relay fast.

The clamping jaw portions at two ends of the clamping shell 2 are provided with mounting holes, a threaded rod 8 is spirally arranged in each mounting hole, a rotary handle portion at one end of the threaded rod 8 is arranged at the outer side of the clamping shell 2, and a rod portion at the other end of the threaded rod is connected with a clamping plate 9 at the inner side of the clamping shell 2. The distance that the screw rod 8 is exposed out of the clamping shell 2 can be adjusted by screwing the screw rod 8, so that the distance between the clamping plate 9 and the clamping jaw parts at two ends of the clamping shell 2 can be adjusted, the flexibility of the clamping shell 2 is improved, and the clamping shell can be adapted to relays with various sizes; and, through setting up threaded rod 8 and splint 9's cooperation structure, still effectively strengthened the clamping shell 2 to the clamping degree of relay centre gripping, further promoted the stability of whole device.

The power supply mechanism 10 installed on the clamping shell 2 is arranged on one side of the heat dissipation shell 4, the power supply mechanism 10 comprises a battery shell 1001, the back surface of the battery shell 1001 is fixedly connected with the clamping shell 2, the battery shell 1001 is provided with a baffle 1002 capable of sliding up and down, when the baffle 1002 slides upwards to the top, all cavities inside the battery shell 1001 are exposed, a battery can be installed in the cavities, the top of the battery shell 1001 is in contact with the positive electrode of the battery, and the bottom of the battery shell 1001 is in contact with the negative electrode of the battery. The baffle 1002 can slide up and down in the battery housing 1001, so that an operator can replace the battery quickly; by providing the power supply mechanism 10 on the heat dissipation housing 4, power can be supplied to the driving motor 6, and the portable power storage device such as a battery is used, so that the power consumption cost is reduced, the maintenance is convenient, and stable power supply can be realized in various environments.

The upper end of the battery housing 1001 is externally connected with a positive electrode wiring, the lower end of the battery housing 1001 is externally connected with a negative electrode wiring 1003, and the positive electrode wiring and the negative electrode wiring 1003 can pass through the heat dissipation housing 4 to be electrically connected with the driving motor 6 inside. Through setting up the positive electrode wiring and negative electrode wiring 1003 respectively in the upper and lower end of battery case, not only adapted battery structure, still carried out rational arrangement to the wiring, promoted the harmony of whole device design. The positive electrode wiring is divided into a front section wiring 1004 and a rear section wiring 1005, and a line switch 1 for controlling opening and closing of a line is provided between the front section wiring 1004 and the rear section wiring 1005. By providing the line switch 1 at the junction between the front-stage wiring 1004 and the rear-stage wiring 1005, the control capability of the power supply line of the power supply mechanism 10 can be enhanced, and the power consumption is reduced and the production cost is saved while the stable power supply of the power supply mechanism 10 is ensured.

The line switch 1 is mounted on one side of the battery case 1001, the line switch 1 includes a first wiring board 101 mounted at a port of the front section wiring 1004, the line switch 1 further includes a second wiring board 102 mounted at a port of the rear section wiring 1005, and a connection shaft 103 is provided between the first wiring board 101 and the second wiring board 102; the first wiring board 101 and the second wiring board 102 are provided with through holes with the same size, the connecting shaft 103 is in sliding connection with the through holes formed in the first wiring board 101, the connecting shaft 103 is fixedly connected with the inner wall of the through holes formed in the second wiring board 102, the bottom end of the connecting shaft 103 is provided with a rubber push plate 104, and the rubber push plate 104 is transversely arranged. The connecting shaft 103 can slide in the first wiring board 101, when the rubber push plate 104 is used for pushing the connecting shaft 103 to slide upwards, the connecting shaft 103 drives the second wiring board 102 to move upwards, and when the second wiring board 102 is contacted with the first wiring board 101, the front section wiring 1004 and the rear section wiring 1005 are closed to form a loop, so that the power supply mechanism 10 supplies power for the driving motor 6. By designing the matching structure of the first wiring board 101, the second wiring board 102 and the connecting shaft 103, the flexibility of the line switch 1 is improved, and the opening and closing of the power supply line can be controlled conveniently.

Wherein, the outer wall of the connecting shaft 103 is provided with a clamping column 105, and the inner peripheral wall of the first wiring board 101 is provided with a clamping groove adapted to the clamping column 105. The clamping column 105 can be clamped in a clamping groove on the inner peripheral wall of the first wiring board 101, when the connecting shaft 103 is pushed upwards to a certain distance, the first wiring board 101 and the second wiring board 102 can be in stable contact by utilizing the matching structure of the clamping column 105 and the clamping groove, so that the stability of the connection of the front section wiring 1004 and the rear section wiring 1005 is enhanced, and the control capability of the circuit switch 1 on a power supply circuit is ensured.

In addition, a protective case 106 is provided at the wiring ports of the front-stage wiring 1004 and the rear-stage wiring 1005, the protective case 106 is mounted on the battery case 1001, and the protective case 106 is capable of covering the wiring ports of the front-stage wiring 1004 and the rear-stage wiring 1005 therein; a slot is provided on one side of the protective housing 106, and the first wiring board 101 and the second wiring board 102 can be placed in the slot. By providing the protective case 106, the wiring ports of the inner front section wiring 1004 and the rear section wiring 1005 can be protected, the stability when wiring is affected by external factors is avoided, and the safety degree of the line switch 1 is enhanced.

The working principle of the utility model is as follows:

the threaded rod 8 is screwed outwards to enable the clamping plate 9 to be tightly attached to the clamping shell 2, the relay is placed in the clamping shell 2, and the clamping plate 9 is tightly attached to the relay by screwing the threaded rod 8, so that stable clamping of the clamping shell 2 to the relay is completed; the baffle 1002 is pulled upward to mount the battery in the interior cavity of the battery housing 1001.

When the relay works, an operator pushes the rubber push plate 104 upwards, so that the connecting shaft 103 drives the second wiring board 102 to move upwards until the clamping column 105 is clamped in the clamping groove on the inner peripheral wall of the first wiring board 101, the first wiring board 101 is contacted with the second wiring board 102, the front section wiring 1004 and the rear section wiring 1005 are closed, the positive electrode wiring 1003 and the negative electrode wiring 1003 form a complete power-on loop, and the power supply mechanism 10 supplies driving power for the driving motor 6. The output shaft of the driving motor 6 drives the fan blades 7 to rotate, wind energy is generated in the rotation process of the fan blades 7, and heat in the relay is emitted to the outside air through the ventilation holes 5 under the driving of the fan blades 7.

Compared with the prior art, the heat dissipation device has higher heat dissipation efficiency, and can timely dissipate heat in the relay, so that the relay can work at normal temperature, and the relay can be ensured to normally operate; the utility model can be adapted to relays with different sizes, has simple structure and high safety degree, and has very wide application prospect.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. The utility model provides a heat dissipation protection device for relay, including centre gripping shell (2), a serial communication port, centre gripping shell (2) include two relative clamp claw portions that set up and connect the straight portion of two clamp claw portions, clamp claw portion is used for the fixed relay of centre gripping, ventilation groove (3) have been seted up on the straight portion, ventilation groove (3) upper cover is equipped with heat dissipation shell (4), a plurality of ventilation hole (5) have been seted up on the plane that heat dissipation shell (4) are relative with ventilation groove (3), be provided with driving motor (6) in heat dissipation shell (4), fixedly on the outer wall of driving motor (6) output shaft be provided with flabellum (7), flabellum (7) set up in ventilation groove (3).

2. The heat radiation protection device for a relay according to claim 1, wherein two clamping jaw parts are respectively provided with clamping plates (9) on opposite surfaces, the two clamping jaw parts are respectively provided with mounting holes, threaded rods (8) are respectively and threadedly mounted in the two mounting holes, a rotating handle part at one end of each threaded rod (8) is arranged on the outer side of the clamping shell (2), and a rod part at the other end of each threaded rod (8) is connected with the corresponding clamping plate (9).

3. The heat radiation protection device for a relay according to claim 1, wherein the clamping housing (2) is further provided with a power supply mechanism (10), the power supply mechanism (10) is located at one side where the heat radiation housing (4) is arranged, the power supply mechanism (10) comprises a battery housing (1001), the back surface of the battery housing (1001) is fixedly connected with the clamping housing (2), the battery housing (1001) is provided with a baffle plate (1002) capable of sliding up and down, and a battery can be installed in an inner cavity of the battery housing (1001).

4. A heat radiation protection device for a relay according to claim 3, wherein the upper end of the battery case (1001) is externally connected with a positive electrode wiring, the lower end of the battery case (1001) is externally connected with a negative electrode wiring (1003), and both the positive electrode wiring and the negative electrode wiring (1003) can pass through the heat radiation housing (4) to be electrically connected with the driving motor (6) inside.

5. The heat radiation protection device for a relay according to claim 4, wherein the positive electrode wiring is divided into a front section wiring (1004) and a rear section wiring (1005), and a line switch (1) for controlling opening and closing of a line is provided between the front section wiring (1004) and the rear section wiring (1005).

6. The heat radiation protection device for a relay according to claim 5, wherein the circuit switch (1) is mounted on one side of the battery case (1001), the circuit switch (1) includes a first wiring board (101) and a second wiring board (102), the first wiring board (101) is disposed at a port of the front section wiring (1004), the first wiring board (101) is slidably mounted with a connection shaft (103), the second wiring board (102) is fixedly disposed on the connection shaft (103) and connected with a port of the rear section wiring (1005), and a rubber push plate (104) is disposed at a bottom end of the connection shaft (103).

7. The heat radiation protection device for a relay according to claim 6, wherein a clamping column (105) is arranged on the outer wall of the connecting shaft (103), and a clamping groove matched with the clamping column (105) is formed at the connecting position of the first wiring board (101) and the connecting shaft.

8. The heat radiation protection device for a relay according to claim 6, wherein a protective case (106) is provided at the wiring ports of the front-stage wiring (1004) and the rear-stage wiring (1005), the protective case (106) is mounted on the battery case (1001), a slot is provided on one side of the protective case (106), and the first wiring board (101) and the second wiring board (102) can be placed in the slot.