Electric heat tracing anti-freezing device of marine electrical control box

Abstract

The utility model provides an electric accompanying anti-freezing device of a marine electrical control box, and belongs to the technical field of power distribution cabinets. The problems that an electric accompanying anti-freezing device box body and a box door of an existing electric control box are prone to freezing and troublesome to open, a heater is arranged on the surface of the control box, the utilization rate of the heater is low, and energy is consumed are solved. The electric control box comprises a box door assembly, an anti-freezing assembly and a connecting supporting mechanism, the box door assembly is arranged on a front arm of the electric control box, a control system is arranged on the box door assembly, an electric heat tracing heating plate is arranged on the outer surface of the electric control box and connected with the control system, the anti-freezing assembly is arranged on the outer side of the electric control box, and the connecting supporting mechanism is connected with the anti-freezing assembly. Anti-freezing liquid is arranged in the anti-freezing assembly, and the anti-freezing assembly is connected with the bulkhead of the ship body through a connecting and supporting mechanism. The heating device is mainly used for heating the marine electrical control box.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of power distribution cabinet, especially, a kind of electric heat tracing anti-freezing device of marine electrical control cabinet. BACKGROUND

[0002] The electric heat tracing system of marine electrical control cabinet refers to the heating system installed in the electrical control cabinet of ship, and its purpose is to maintain the temperature inside the control cabinet in low temperature environment to ensure the normal operation of electrical equipment therein.The electric heat tracing system is usually composed of heating cable or heating film, and these devices are installed inside the control cabinet to prevent the devices from being affected by low temperature and failing or being damaged, and the minimum operating temperature of electrical equipment is-25 DEG C, while the temperature in polar region is much lower than the operating temperature of electrical equipment, and if anti-freezing measures are not taken, the equipment will not work normally and the service life of the equipment will be shortened.

[0003] The electric heat tracing anti-freezing cover of marine electrical control cabinet disclosed in Chinese patent CN206533054U is wrapped on the electrical control cabinet, and the electric heat tracing anti-freezing cover includes two protective layers connected with each other, and electric heat tracing cable and terminal are arranged between the two protective layers, and the electric heat tracing cable is arranged along the six surfaces of the electric heat tracing anti-freezing cover, but in the above-mentioned scheme, the door and the cabinet of the electrical control cabinet are easily frozen, and it is troublesome to open when needed, and in the prior art, a heater is usually added on the surface of the control cabinet for heating, but the utilization rate of the heat emitted by the heater is low, and a lot of energy is consumed during use. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing an electric heat tracing anti-freezing device for marine electrical control cabinet to solve the problems of easy freezing between the cabinet and the door of the electric heat tracing anti-freezing device of existing electrical control cabinet, troublesome opening, setting heater on the surface of the control cabinet, low utilization rate of the heater and energy consumption.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an electric heat tracing anti-freezing device for marine electrical control cabinet, which comprises a door assembly, an anti-freezing assembly and a connecting support mechanism, the door assembly is arranged on the front wall of the electrical control cabinet, a control system is arranged on the door assembly, an electric heat tracing plate is arranged on the outer surface of the electrical control cabinet, the electric heat tracing plate is connected with the control system, an anti-freezing assembly is arranged on the outer side of the electrical control cabinet, anti-freezing liquid is arranged in the anti-freezing assembly, and the anti-freezing assembly is connected with the hull bulkhead through the connecting support mechanism.

[0006] Furthermore, a protective frame is arranged on the front wall of the door assembly, and the control system is arranged in the protective frame.

[0007] Further, the control system comprises a controller and a temperature sensor, the controller is arranged inside the protection frame, the temperature sensor is arranged on the rear wall of the box door assembly, and the temperature sensor and the electric heating plate are connected with the controller.

[0008] Further, the anti-freezing assembly comprises a heat-conducting plate, a shell, a pipe opening and a sealing plug, the heat-conducting plate is attached to the electric heating plate, the shell is connected with the connecting support mechanism outside, the shell and the heat-conducting plate are connected to form an anti-freezing liquid cavity, cooling liquid is arranged in the anti-freezing liquid cavity, the pipe openings are arranged at the upper and lower ends of the shell, and the sealing plugs are arranged at the ends of the pipe openings.

[0009] Further, the box door assembly comprises a door plate, a groove and an electric heating wire, the door plate is connected with the electric control box, the door plate is hollow inside, heat insulation cotton is arranged inside the door plate, the grooves are arranged around the door plate, the electric heating wire is arranged in the grooves, the surface of the electric heating wire is attached to the surface of the groove and the inner surface of the electric control box, and the electric heating wire is connected with the controller.

[0010] Further, the connecting support mechanism comprises a pre-buried bolt, a connecting disc, a support column, a U-shaped mounting rack, a connecting plate and a threaded column, the connecting plate is connected with the anti-freezing assembly, the connecting plate is connected with the U-shaped mounting rack through the threaded column, one end of the U-shaped mounting rack is connected with the support column, the other end of the support column is connected with the connecting disc, the pre-buried bolt is arranged on the surface of the ship body bulkhead, and the connecting disc is connected with the pre-buried bolt.

[0011] Further, the heat-conducting plate is made of copper material, and the surface of the shell is smooth.

[0012] Further, the inner wall of the protection frame is provided with a transparent heating film, and the transparent heating film is attached to the surface of the controller.

[0013] Further, the side edge of the door plate is hinged to the side edge of the electric control box.

[0014] Further, the heat insulation cotton is made of rock wool material, and the door plate is made of austenitic stainless steel material.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1、The anti-freezing assembly installed on the surface of the ship body bulkhead is arranged outside the electric control box through the connecting support mechanism, the electric control box is arranged inside the anti-freezing assembly, the anti-freezing liquid filled in the anti-freezing assembly can play a heat preservation role on the electric control box, and the heat generated by the electric heating plate can be effectively utilized, so that the waste of energy is avoided.

[0017] 2, the utility model discloses a freeze -proof assembly is added to the freeze -proof liquid to the temperature sensor detection electrical control box's temperature, when the temperature of electrical control box reduces, after temperature sensor receives the signal, electric companion heating plate carries out heating, through electric companion heating plate to electrical control box heating, simultaneously, electric companion heating plate carries out heating to the freeze -proof liquid of freeze -proof assembly inside through the heat conduction plate of freeze -proof assembly, the freeze -proof liquid in freeze -proof assembly is wrapped in the surface of electrical control box, and the freeze -proof liquid after heating has the performance of heat preservation, and the freeze -proof liquid after heating can prevent the surface icing of freeze -proof assembly, and then improve the utilization of heat, avoid the energy consumption when using.

[0018] 3, the utility model discloses the door plate inside hollow of box door subassembly is used for filling heat -retaining cotton, and the recess is set up for placing electric heating wire at the edge of door plate, when the door plate needs to open, through the controller control electric heating wire and open heating, and then through electric heating wire to the gap between door plate and electrical control box heating, thereby effectively prevent the freezing between door plate and electrical control box, make the door plate open more easily. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification. The embodiments illustrated in the drawings are exemplary embodiments of the application and, therefore, not limiting of the scope of the application. In the drawings:

[0020] Figure 1 It is the shaft side structure schematic drawing of the electric companion freeze -proof device of a marine electrical control box of the utility model;

[0021] Figure 2 It is the side structure schematic drawing of the electric companion freeze -proof device of a marine electrical control box of the utility model;

[0022] Figure 3 It is the explosion drawing of the electric companion freeze -proof device of a marine electrical control box of the utility model;

[0023] Figure 4 It is the front structure schematic drawing of the electric companion freeze -proof device of a marine electrical control box of the utility model;

[0024] Figure 5 It is the side cross section structure schematic drawing of the electric companion freeze -proof device of a marine electrical control box of the utility model;

[0025] Figure 6 It is Figure 5 It is the local enlarged view of A in the middle;

[0026] Figure 7 It is the side cross section structure schematic drawing of the box door subassembly of the electric companion freeze -proof device of a marine electrical control box of the utility model;

[0027] Figure 8 For Figure 7 Local enlarged view at B.

[0028] In the figure:

[0029] 1, electrical control box; 2, door assembly; 201, door panel; 202, thermal insulation cotton; 203, groove; 204, electric heating wire; 3, controller; 4, protective frame; 41, transparent heating film; 5, temperature sensor; 6, electric heating plate; 7, anti-freezing assembly; 701, heat-conducting plate; 702, shell; 703, pipe opening; 704, sealing plug; 8, ship body bulkhead; 9, connecting support mechanism; 901, embedded bolt; 902, connecting disc; 903, support column; 904, U-shaped mounting bracket; 905, connecting plate; 906, threaded column. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict, and the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0031] Referring to Figures 1-8 The present embodiment is described as follows: an electric heating anti-freezing device of a marine electrical control box, which comprises a door assembly 2, an anti-freezing assembly 7 and a connecting support mechanism 9. The door assembly 2 is arranged on the front wall of the electrical control box 1. A control system is arranged on the door assembly 2. The electric heating plate 6 is connected with the control system. The control system can monitor the temperature in the electrical control box 1 and control the electric heating plate 6 to work to achieve heating. The electric heating plate 6 is arranged on the outer surface of the electrical control box 1. The anti-freezing assembly 7 is arranged on the outer side of the electrical control box 1. Anti-freezing liquid is arranged in the anti-freezing assembly 7. The anti-freezing assembly 7 is connected with the ship body bulkhead 8 through the connecting support mechanism 9.

[0032] The anti-freezing assembly 7 is fixedly installed on the ship body bulkhead 8 through the connecting support mechanism 9. When the control system monitors that the temperature in the electrical control box 1 is too low and needs to be heated, the control system controls the electric heating plate 6 to heat. The electric heating plate 6 heats the electrical control box 1 and the anti-freezing liquid in the anti-freezing assembly 7 at the same time. The heated anti-freezing liquid has the performance of heat preservation, and can effectively prevent the surface of the anti-freezing assembly 7 from icing, thereby improving the utilization rate of the heat generated by the electric heating plate 6.

[0033] The front wall of the box door assembly 2 is provided with a protective frame 4, and the control system is arranged in the protective frame 4.

[0034] The control system comprises a controller 3 and a temperature sensor 5, the controller 3 is arranged inside the protective frame 4, and the temperature sensor 5 is arranged on the rear wall of the box door assembly 2 and used for monitoring the temperature in the electrical control box 1, the temperature sensor 5 and the electric heating plate 6 are electrically connected with the controller 3, when the temperature sensor 5 monitors that the temperature in the electrical control box 1 is too low, the temperature sensor 5 transmits a signal to the controller 3, and the controller 3 controls the electric heating plate 6 to heat.

[0035] The anti-freezing assembly 7 comprises a heat-conducting plate 701, a shell 702, a pipe opening 703 and a sealing plug 704, the heat-conducting plate 701 is attached to the electric heating plate 6, when the electric heating plate 6 is heated, part of the heat generated by the electric heating plate 6 is transmitted to the inside of the anti-freezing assembly 7 through the heat-conducting plate 701, the shell 702 is connected with the connecting support mechanism 9 outside, so that the anti-freezing assembly 7 containing the electrical control box 1 is connected to the ship hull bulkhead 8, the shell 702 is connected with the heat-conducting plate 701 to form an anti-freezing liquid cavity, the anti-freezing liquid cavity is provided with anti-freezing liquid, when the electric heating plate 6 is heated, the heat is transmitted to the anti-freezing liquid cavity through the heat-conducting plate 701, so as to heat the anti-freezing liquid, the heated anti-freezing liquid can keep the electrical control box 1 warm and prevent the surface of the anti-freezing assembly 7 from icing, thereby improving the utilization rate of heat and reducing the loss of energy, the shell 702 is provided with the pipe opening 703 at the upper and lower ends, the sealing plug 704 is arranged at the end of the pipe opening 703, the anti-freezing liquid is filled in the shell 702 through the pipe opening 703 arranged at the upper side of the shell 702 and sealed by the sealing plug 704, and the anti-freezing liquid in the shell 702 can be discharged by opening the pipe opening 703 and the sealing plug 704 at the lower side of the shell 702.

[0036] The box door assembly 2 comprises a door plate 201, a recess 203 and an electric heating wire 204, the door plate 201 is connected with the electrical control box 1, the inside of the door plate 201 is hollow, the inside of the door plate 201 is provided with thermal insulation cotton 202, the recess 203 is arranged around the door plate 201, the electric heating wire 204 is arranged in the recess 203, the surface of the electric heating wire 204 is attached to the surface of the recess 203 and the inner surface of the electrical control box 1 respectively, and the electric heating wire 204 is connected with the controller 3, when the door plate 201 needs to be opened in severe cold conditions, the electric heating wire 204 is turned on and heated by the controller 3, and the gap between the door plate 201 and the electrical control box 1 is heated by the electric heating wire 204, so as to prevent the door plate 201 and the electrical control box 1 from being frozen, and make the door plate 201 open more easily.

[0037] The connecting support mechanism 9 comprises a pre-buried bolt 901, a connecting disc 902, a support column 903, a U-shaped mounting rack 904, a connecting plate 905 and a threaded column 906, the connecting plate 905 is connected with the anti-freezing assembly 7, the connecting plate 905 is connected with the driving assembly 7, the connecting plate 905 is connected with the U-shaped mounting rack 904 through the threaded column 906, the U-shaped mounting rack 904 is connected with one end of the support column 903, the other end of the support column 903 is connected with the connecting disc 902, the pre-buried bolt 901 is arranged on the surface of the ship body bulkhead 8, the connecting disc 902 is connected with the pre-buried bolt 901, the connecting plate 905 is fixed on the shell 702 of the driving assembly 7, the U-shaped mounting rack 904 is connected with the connecting plate 905 through the threaded column 906, one end of the connecting disc 902 is connected with the U-shaped mounting rack 904 through the support column 903, and the other end of the connecting disc 902 is connected with the pre-buried bolt 901 on the ship body bulkhead 8.

[0038] The heat-conducting plate 701 is made of copper material, the heat-conducting plate 701 made of copper material can better transmit the heat generated by the electric heating plate 6 to the shell 702, and the shell 702 is made of a material resistant to corrosion of the anti-freezing liquid and has a smooth surface, the surface of the shell 702 is arranged in a smooth state, so that the ice blocks can fall off the outer surface of the shell 702.

[0039] The inner wall of the protective frame 4 is provided with a transparent heating film 41, the transparent heating film 41 is attached to the surface of the controller 3, and the transparent heating film 41 can be used to operate the controller 3 in severe cold conditions.

[0040] The side edges of the door plate 201 are hinged to the side edges of the electrical control box 1, so that the door plate 201 can be conveniently opened and closed.

[0041] The heat preservation cotton 202 is made of rock wool material, and the door plate 201 is made of austenitic stainless steel material, the heat preservation cotton 202 made of rock wool material can improve the heat preservation effect of the interior of the electrical control box 1, and the door plate 201 made of austenitic stainless steel material has a low heat conductivity, thereby further improving the heat preservation performance.

[0042] The above disclosed embodiments of the utility model are only used for helping to set forth the utility model. The embodiments do not describe all the details, and also do not limit the utility model to the specific implementation mode. According to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model.

Claims

1. An electric tracing anti-freezing device for an electric control box of a ship, characterized by: It includes box door assembly (2), anti-freezing assembly (7) and connecting support mechanism (9), the box door assembly (2) is arranged on the front wall of the electrical control box (1), the control system is arranged on the box door assembly (2), the electrical control box (1) outer surface is provided with electric heating plate (6), the electric heating plate (6) is connected with the control system, the electrical control box (1) outside is provided with anti-freezing assembly (7), the anti-freezing assembly (7) is provided with anti-freezing fluid in, the anti-freezing assembly (7) is connected with the ship body bulkhead (8) through connecting support mechanism (9).

2. An electric tracing anti-freezing device for an electric control box of a ship according to claim 1, characterized in that: The front wall of the box door assembly (2) is provided with a protective frame (4), and the control system is arranged in the protective frame (4).

3. An electric tracing anti-freezing device for an electric control box of a ship according to claim 2, characterized in that: The control system includes a controller (3) and a temperature sensor (5), the controller (3) is arranged inside the protective frame (4), the temperature sensor (5) is arranged on the rear wall of the box door assembly (2), and the temperature sensor (5) and the electric heating plate (6) are connected with the controller (3).

4. An electric tracing anti-freezing device for an electric control box of a ship according to claim 1, characterized in that: The anti-freezing assembly (7) includes a heat-conducting plate (701), a housing (702), a pipe opening (703) and a sealing plug (704), the heat-conducting plate (701) is attached to the electric heating plate (6), the housing (702) is connected with the connecting support mechanism (9) on the outside, the housing (702) is connected with the heat-conducting plate (701) to form an anti-freezing fluid cavity, the anti-freezing fluid cavity is provided with cooling fluid, the housing (702) is provided with a pipe opening (703) at both ends, and the pipe opening (703) is provided with a sealing plug (704) at the end.

5. An electric tracing anti-freezing device for an electric control box of a ship according to claim 1, characterized in that: The box door assembly (2) includes a door plate (201), a groove (203) and an electric heating wire (204), the door plate (201) is connected with the electrical control box (1), the door plate (201) is hollow inside, the door plate (201) is provided with thermal insulation cotton (202) inside, the door plate (201) is provided with a groove (203) around, the groove (203) is provided with an electric heating wire (204), the surface of the electric heating wire (204) is attached to the surface of the groove (203) and the inner surface of the electrical control box (1) respectively, and the electric heating wire (204) is connected with the controller (3).

6. An electric tracing anti-freezing device for an electric control box of a ship according to claim 1, characterized in that: The connecting support mechanism (9) includes a pre-buried bolt (901), a connecting disc (902), a support column (903), a U-shaped mounting rack (904), a connecting plate (905) and a threaded column (906), the connecting plate (905) is connected with the anti-freezing assembly (7), the connecting plate (905) is connected with the U-shaped mounting rack (904) through the threaded column (906), one end of the U-shaped mounting rack (904) is connected with the support column (903), the other end of the support column (903) is connected with the connecting disc (902), and the pre-buried bolt (901) is arranged on the surface of the ship body bulkhead (8).

7. An electric tracing anti-freezing device for an electric control box of a ship according to claim 4, characterized in that: The heat-conducting plate (701) is made of copper material, and the surface of the housing (702) is smooth.

8. The electric tracing anti-freezing device of the marine electric control box according to claim 3, characterized in that: The inner wall of the protective frame (4) is provided with a transparent heating film (41), and the transparent heating film (41) is attached to the surface of the controller (3).

9. An electric tracing anti-freezing device for an electric control box of a ship according to claim 5, characterized in that: The side of the door plate (201) is hinged with the side of the electric control box (1).

10. An electric tracing anti-freezing device for an electric control box of a ship according to claim 5, characterized in that: The heat preservation cotton (202) is made of rock wool material, and the door plate (201) is made of austenitic stainless steel material.

Images