CN212314437U - Timing electric heating wire box door anti-freezing equipment - Google Patents

Timing electric heating wire box door anti-freezing equipment Download PDF

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CN212314437U
CN212314437U CN202021959148.5U CN202021959148U CN212314437U CN 212314437 U CN212314437 U CN 212314437U CN 202021959148 U CN202021959148 U CN 202021959148U CN 212314437 U CN212314437 U CN 212314437U
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electric heating
heating wire
installation area
wire installation
voltage detector
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谢晶
孙聿尧
王金锋
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Shanghai Ocean University
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Shanghai Ocean University
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Abstract

The utility model relates to a frozen-proof field of refrigerated container chamber door, concretely relates to timing electric heating wire chamber door anti-freezing equipment, including refrigerated container shell, chamber door, timing system controller, power supply line, fixation clamp, electric heating wire installation area, electric wire installation area, voltage detector and wall hole. A plurality of sections of electric heating wires are installed, so that the maintenance and replacement difficulty in the later period are reduced; the box door is prevented from freezing by adopting a double-side heating mode, so that an anti-freezing blind area is prevented; the electric heating wires are controlled to be opened at regular time, so that the electric heating wires can be used in batches, the consumption of required electric energy is reduced, and a new idea is provided for the anti-freezing design of the box door of the refrigerated container.

Description

Timing electric heating wire box door anti-freezing equipment
Technical Field
The utility model relates to a frozen-proof field of refrigerated container chamber door, concretely relates to timing electric heating wire chamber door anti-freezing equipment.
Background
A refrigerated container is a common device for cold chain transportation, which can prepare a required low-temperature environment through an associated refrigeration device to ensure that goods such as refrigerated frozen foods to be transported are delivered to a destination with high quality; on the way that refrigerated container carried out the transportation, there is great difference in temperature generally between outdoor temperature and the incasement temperature, because the existence of this difference in temperature, after equipment operation a period, near the chamber door edge of refrigerated container can produce the phenomenon of freezing, the production of this phenomenon can increase the degree of difficulty that the staff opened the refrigerated container chamber door, need increase the dynamics of opening the door, can produce the damage to the chamber door like this, reduce its life, consequently, can be at refrigerated container chamber door edge installation electric heating wire, the heat through the electric heating wire transmission prevents the production of freezing phenomenon.
At present, the whole electric heating wire is installed at the edge of the door of the refrigerated container, the installation mode is convenient in the installation aspect in the early stage, but if the electric heating wire goes wrong anywhere, the anti-freezing capacity of the whole electric heating wire on the door of the refrigerated container can be influenced, and meanwhile, the whole electric heating wire needs to be monitored or replaced in the later maintenance or repair process, so that the process is complex and difficult. If the anti-freezing system of the door of the multi-section type electric heating wire box can be designed, the electric heating wire at a specific position can be monitored or replaced in a targeted manner during later maintenance or repair, so that the workload can be greatly reduced, and the working difficulty can be reduced.
The anti-freezing of the door of the refrigerated container aims to prevent the icing phenomenon near the edge of the door of the refrigerated container, the conventional electric heating wire is only arranged on the door and can be regarded as single-side anti-freezing, but the arrangement can cause anti-freezing blind areas at the four corners of the door and generate the icing phenomenon in a small range, so that the electric heating wire can be arranged on the wall surface close to the edge of the door of the refrigerated container to perform double-side anti-freezing, and the icing phenomenon in the small range is avoided; however, it should be noted that the electric energy requirement for the double-side anti-freezing is larger than that for the single-side anti-freezing, and if the system is always turned on like a common electric heating wire system, the energy consumption is very large, so that a timing turning-on mode can be adopted, only part of the electric heating wires are turned on at the same time, and when the set time passes, the group of electric heating wires are turned off, and the next group of electric heating wires are turned on, so as to form a cycle.
Disclosure of Invention
The utility model aims to provide a timing electric heating wire box door anti-freezing device, which adopts a sectional type electric heating wire installation mode to reduce the difficulty of later maintenance or repair; electric heating wires are arranged on the edge of the box door and the wall surface of the refrigerated container close to the edge of the box door, so that an anti-freezing blind area is avoided, and a small-range freezing phenomenon is avoided; the electric heating wire is controlled by adopting a timing opening mode, so that the power consumption is reduced; through the utility model discloses a design, the chamber door frostproofing ability to cold-stored container has improved and has improved.
In order to achieve the above object, one embodiment of the present invention provides a timing electric heating wire box door anti-freezing device, which comprises a refrigerated container shell, a box door, a timing system controller, a power supply pipeline, a fixing clamp, an electric heating wire installation area, an electric wire installation area, a voltage detector and a wall hole;
the box door comprises a first box door and a second box door; the timing system controller comprises a first timing system controller and a second timing system controller; the power supply pipeline comprises a first power supply pipeline and a second power supply pipeline; the fixing clamp comprises a first fixing clamp, a second fixing clamp, a third fixing clamp and a fourth fixing clamp; the electric heating wire installation areas comprise a first electric heating wire installation area, a second electric heating wire installation area, a third electric heating wire installation area, a fourth electric heating wire installation area, a fifth electric heating wire installation area, a sixth electric heating wire installation area, a seventh electric heating wire installation area, an eighth electric heating wire installation area, a ninth electric heating wire installation area, a tenth electric heating wire installation area, an eleventh electric heating wire installation area, a twelfth electric heating wire installation area, a thirteenth electric heating wire installation area, a fourteenth electric heating wire installation area, a fifteenth electric heating wire installation area, a sixteenth electric heating wire installation area, a seventeenth electric heating wire installation area, an eighteenth electric heating wire installation area, a nineteenth electric heating wire installation area, a twentieth electric heating wire installation area, a twenty-two electric heating wire installation area, A twenty-third electric heating wire installation area, a twenty-fourth electric heating wire installation area, a twenty-fifth electric heating wire installation area, a twenty-sixth electric heating wire installation area, a twenty-seventh electric heating wire installation area, and a twenty-eighth electric heating wire installation area; the wire mounting region comprises a first wire mounting region, a second wire mounting region, a third wire mounting region and a fourth wire mounting region; the voltage detectors include a first voltage detector, a second voltage detector, a third voltage detector, a fourth voltage detector, a fifth voltage detector, a sixth voltage detector, a seventh voltage detector, an eighth voltage detector, a ninth voltage detector, a tenth voltage detector, an eleventh voltage detector, a twelfth voltage detector, a thirteenth voltage detector, a fourteenth voltage detector, a fifteenth voltage detector, and a sixteenth voltage detector; the wall holes comprise a first wall hole and a second wall hole;
the first box door and the second box door are symmetrically arranged on the front surface of the refrigerated container shell;
the first timing system controller is arranged on the front surface of the first box door, is connected with the first power supply pipeline and enters the refrigerated container shell through a first wall hole on the left side of the refrigerated container shell;
the second timing system controller is arranged on the front surface of the second door, is connected with the second power supply pipeline and enters the refrigerated container shell through a second wall hole on the right side of the refrigerated container shell;
the first fixing clamp and the second fixing clamp are arranged on the front surface of the refrigerated container shell and used for fixing the first power supply pipeline; the third fixing clamp and the fourth fixing clamp are arranged on the front surface of the refrigerated container shell and used for fixing the second power supply pipeline;
a first electric heating wire installation area, a second electric heating wire installation area, a third electric heating wire installation area, a fourth electric heating wire installation area, a fifth electric heating wire installation area, a sixth electric heating wire installation area, a seventh electric heating wire installation area and an eighth electric heating wire installation area are installed at the edge of the first box door; a ninth electric heating wire installation area, a tenth electric heating wire installation area, an eleventh electric heating wire installation area, a twelfth electric heating wire installation area, a thirteenth electric heating wire installation area, a fourteenth electric heating wire installation area, a fifteenth electric heating wire installation area and a sixteenth electric heating wire installation area are installed at the edge of the second box door; a seventeenth electric heating wire installation area, an eighteenth electric heating wire installation area, a nineteenth electric heating wire installation area, a twentieth electric heating wire installation area, a twenty-second electric heating wire installation area, a twenty-third electric heating wire installation area, a twenty-fourth electric heating wire installation area, a twenty-fifth electric heating wire installation area, a twenty-sixth electric heating wire installation area, a twenty-seventh electric heating wire installation area and a twenty-eighth electric heating wire installation area are installed at positions, close to the edges of the refrigerator doors, on the inner side of the refrigerated container shell;
a first electric wire installation area, a second electric wire installation area, a third electric wire installation area and a fourth electric wire installation area are installed beside the corresponding electric heating wire installation areas, the first electric wire installation area is positioned on the first box door, the second electric wire installation area is positioned on the second box door, and the third electric wire installation area and the fourth electric wire installation area are positioned on the inner side of the shell of the refrigerated container;
the first voltage detector, the second voltage detector, the third voltage detector, the fourth voltage detector, the fifth voltage detector, the sixth voltage detector, the seventh voltage detector and the eighth voltage detector are arranged on the back surface of the first box door; a ninth voltage detector, a tenth voltage detector, an eleventh voltage detector, a twelfth voltage detector, a thirteenth voltage detector, a fourteenth voltage detector, a fifteenth voltage detector and a sixteenth voltage detector are mounted on the back surface of the first box door;
the first voltage detector, the second voltage detector, the fifth voltage detector, the sixth voltage detector, the seventh voltage detector, the eighth voltage detector, the ninth voltage detector, the tenth voltage detector, the thirteenth voltage detector, the fourteenth voltage detector, the fifteenth voltage detector and the sixteenth voltage detector are respectively used for correspondingly monitoring whether circuit problems exist in 2 electric heating wire installation areas or not; and the third voltage detector, the fourth voltage detector, the eleventh voltage detector and the twelfth voltage detector are respectively used for correspondingly monitoring whether the circuit problem exists in 1 electric heating wire installation area or not.
Preferably, the first fixing clip, the second fixing clip, the third fixing clip and the fourth fixing clip are made of aluminum alloy.
Preferably, the first and second power supply pipes have cross-sectional shapes and areas respectively equal to those of the first and second wall holes, so as to prevent the cold air in the refrigerated container from leaking sideways.
Preferably, 2 electric heating wires which are positioned on the box door and on the shell of the refrigerated container and used for heating corresponding positions are in a group, and the electric heating wires in the same group are not opened at the same time for freezing prevention of the box door.
Optionally, when the electric heating wires of the same group are switched, the interval between the electric heating wires is 1-3 s, so that errors or errors of monitoring of corresponding voltage detectors are prevented; and after the electric heating wires in use in the same group stop supplying power for 1-3 s, the power supply of the other electric heating wire is started.
Preferably, plastic hoses are adopted outside the first power supply pipeline, the second power supply pipeline, the first wire installation area, the second wire installation area, the third wire installation area and the fourth wire installation area.
The utility model discloses a timing electric heating wire chamber door anti-freezing equipment carries out the multistage formula installation to electric heating wire, has reduced the degree of difficulty of later maintenance and maintenance, heats from two sides, avoids the appearance of frostproofing blind area, and the mode control electric heating wire that the application was regularly opened, and electric heating wire is used to the turn, has reduced the power consumption. Through the utility model discloses a design provides a new thinking for the frostproofing electric heating wire mounting means of refrigerated container chamber door.
Drawings
Fig. 1 is a schematic view of the timing structure of the anti-freezing device for the electric heating wire box door of the present invention, which comprises a 1-refrigerated container shell, a 2.1-first box door, a 2.2-second box door, a 3.1-first timing system controller, a 3.2-second timing system controller, a 4.1-first power supply pipeline, a 4.2-second power supply pipeline, a 5.1-first fixing clip, a 5.2-second fixing clip, a 5.3-third fixing clip and a 5.4-fourth fixing clip.
FIG. 2 is a schematic view of the cross-sectional view of the anti-freezing device of the timing electric heater strip door of the present invention, which comprises a 1-refrigerated container housing, a 2.1-first door, a 2.2-second door, a 4.1-first power supply line, a 4.2-second power supply line, a 6.1-first electric heater strip installation region, a 6.2-second electric heater strip installation region, a 6.3-third electric heater strip installation region, a 6.4-fourth electric heater strip installation region, a 6.5-fifth electric heater strip installation region, a 6.6-sixth electric heater strip installation region, a 6.7-seventh electric heater strip installation region, a 6.8-eighth electric heater strip installation region, a 6.9-ninth electric heater strip installation region, a 6.10-tenth electric heater strip installation region, a 6.11-eleventh electric heater strip installation region, a 6.12-twelfth electric heater strip installation region, a, 6.13-thirteenth electric heating wire installation region, 6.14-fourteenth electric heating wire installation region, 6.15-fifteenth electric heating wire installation region, 6.16-sixteenth electric heating wire installation region, 6.17-seventeenth electric heating wire installation region, 6.18-eighteenth electric heating wire installation region, 6.19-nineteenth electric heating wire installation region, 6.20-twentieth electric heating wire installation region, 6.21-twenty-first electric heating wire installation region, 6.22-twenty-second electric heating wire installation region, 6.23-twenty-third electric heating wire installation region, 6.24-twenty-fourth electric heating wire installation region, 6.25-twenty-fifth electric heating wire installation region, 6.26-twenty-sixth electric heating wire installation region, 6.27-twenty-seventh electric heating wire installation region, 6.28-twenty-eighth electric heating wire installation region, 7.1-a first wire mounting area, 7.2-a second wire mounting area, 7.3-a third wire mounting area, 7.4-a fourth wire mounting area, 8.1-a first voltage detector, 8.2-a second voltage detector, 8.3-a third voltage detector, 8.4-a fourth voltage detector, 8.5-a fifth voltage detector, 8.6-a sixth voltage detector, 8.7-a seventh voltage detector, 8.8-an eighth voltage detector, 8.9-a ninth voltage detector, 8.10-a tenth voltage detector, 8.11-an eleventh voltage detector, 8.12-a twelfth voltage detector, 8.13-a thirteenth voltage detector, 8.14-a fourteenth voltage detector, 8.15-a fifteenth voltage detector, and 8.16-a sixteenth voltage detector.
FIG. 3 is a schematic view of the overlooking structure of the door part of the anti-freezing device of the timing electric heating wire door of the present invention, which comprises a 1-refrigerated container shell, a 2.1-first door, a 2.2-second door, a 3.1-first timing system controller, a 3.2-second timing system controller, a 4.1-first power supply pipeline, a 4.2-second power supply pipeline, and a 6.17-seventeenth electric heating wire installation area, 6.18-eighteenth electric heating wire installation area, 6.23-twenty-third electric heating wire installation area, 6.24-twenty-fourth electric heating wire installation area, 7.3-third electric wire installation area, 7.4-fourth electric wire installation area, 8.1-first voltage detector, 8.2-second voltage detector, 8.9-ninth voltage detector and 8.10-tenth voltage detector.
Fig. 4 is a left side view structural schematic diagram of the anti-freezing device of the timing electric heating wire box door of the utility model, which comprises a 1-refrigerated container shell, a 2.1-first box door, a 3.1-first timing system controller, a 4.1-first power supply pipeline, a 5.1-first fixing clamp, a 5.2-second fixing clamp and a 9.1-first wall hole.
Fig. 5 is a schematic diagram of the right-side view structure of the anti-freezing device for the timing electric heating wire box door of the present invention, which comprises a 1-refrigerated container shell, a 2.2-second box door, a 3.2-second timing system controller, a 4.2-second power supply pipeline, a 5.3-third fixing clip, a 5.4-fourth fixing clip and a 9.2-second wall hole.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the utility model provides a timing electric heating wire chamber door anti-freezing equipment's main view structure picture, including refrigerated container shell 1, first chamber door 2.1, second chamber door 2.2, first timing system controller 3.1, second timing system controller 3.2, first power supply pipeline 4.1, second power supply pipeline 4.2, first fixation clamp 5.1, second fixation clamp 5.2, third fixation clamp 5.3 and fourth fixation clamp 5.4.
As shown in fig. 2, an embodiment of the present invention provides a rear sectional structure diagram of a door anti-freezing device of a timing electric heating wire, which includes a refrigerated container shell 1, a first door 2.1, a second door 2.2, a first power supply pipeline 4.1, a second power supply pipeline 4.2, a first electric heating wire installation area 6.1, a second electric heating wire installation area 6.2, a third electric heating wire installation area 6.3, a fourth electric heating wire installation area 6.4, a fifth electric heating wire installation area 6.5, a sixth electric heating wire installation area 6.6, a seventh electric heating wire installation area 6.7, an eighth electric heating wire installation area 6.8, a ninth electric heating wire installation area 6.9, a tenth electric heating wire installation area 6.10, an eleventh electric heating wire installation area 6.11, a twelfth electric heating wire installation area 6.12, a thirteenth electric heating wire installation area 6.13, a fourteenth electric heating wire installation area 6.14, and a fifteenth electric heating wire installation area 6.15, A sixteenth electric heater wire mounting area 6.16, a seventeenth electric heater wire mounting area 6.17, an eighteenth electric heater wire mounting area 6.18, a nineteenth electric heater wire mounting area 6.19, a twentieth electric heater wire mounting area 6.20, a twenty-first electric heater wire mounting area 6.21, a twenty-second electric heater wire mounting area 6.22, a twenty-third electric heater wire mounting area 6.23, a twenty-fourth electric heater wire mounting area 6.24, a twenty-fifth electric heater wire mounting area 6.25, a twenty-sixth electric heater wire mounting area 6.26, a twenty-seventh electric heater wire mounting area 6.27, a twenty-eighth electric heater wire mounting area 6.28, a first electric wire mounting area 7.1, a second electric wire mounting area 7.2, a third electric wire mounting area 7.3, a fourth electric wire mounting area 7.4, a first voltage detector 8.1, a second voltage detector 8.2, a third voltage detector 8.3, a fourth voltage detector 8.4, a fifth voltage detector 8.5, A sixth voltage detector 8.6, a seventh voltage detector 8.7, an eighth voltage detector 8.8, a ninth voltage detector 8.9, a tenth voltage detector 8.10, an eleventh voltage detector 8.11, a twelfth voltage detector 8.12, a thirteenth voltage detector 8.13, a fourteenth voltage detector 8.14, a fifteenth voltage detector 8.15 and a sixteenth voltage detector 8.16.
As shown in fig. 3, an embodiment of the present invention provides a overlook structure diagram of a door portion of a timing electric heating wire door anti-freezing device, which includes a refrigerated container shell 1, a first door 2.1, a second door 2.2, a first timing system controller 3.1, a second timing system controller 3.2, a first power supply pipeline 4.1, a second power supply pipeline 4.2, a seventeenth electric heating wire installation area 6.17, an eighteenth electric heating wire installation area 6.18, a twenty third electric heating wire installation area 6.23, a twenty fourth electric heating wire installation area 6.24, a third electric wire installation area 7.3, a fourth electric wire installation area 7.4, a first voltage detector 8.1, a second voltage detector 8.2, a ninth voltage detector 8.9, and a tenth voltage detector 8.10.
As shown in fig. 4, an embodiment of the present invention provides a left side view structure diagram of a timing electric heating wire box door anti-freezing device, which comprises a refrigerated container shell 1, a first box door 2.1, a first timing system controller 3.1, a first power supply pipeline 4.1, a first fixing clip 5.1, a second fixing clip 5.2 and a first wall hole 9.1.
As shown in fig. 5, the right view structure diagram of the anti-freezing device for timing electric heating wire box door provided by an embodiment of the present invention comprises a refrigerated container shell 1, a second box door 2.2, a second timing system controller 3.2, a second power supply pipeline 4.2, a third fixing clip 5.3, a fourth fixing clip 5.4 and a second wall hole 9.2.
In the discussion of the present embodiment, if there is no special viewing angle, the main viewing angle is taken as the default viewing angle.
The refrigerated container housing 1 selected in this embodiment has a size of 1.2 × 1.2 × 1.2m, a wall thickness of 80mm, and is made of polyurethane.
The first door 2.1 and the second door 2.2 are 500mm wide, 1000mm high and 80mm thick, and are stacked and arranged on the front surface of the refrigerated container shell 1, the first door 2.1 is 100mm away from the top and 100mm away from the left side surface of the refrigerated container shell 1, and the second door 2.2 is 100mm away from the top and 100mm away from the right side surface of the refrigerated container shell 1;
the first timing system controller 3.1 and the second timing system controller 3.2 are 200 × 100 × 50mm in size, the first timing system controller 3.1 is installed on the front of the first box door 2.1 and is 300mm and 150mm away from the top and the left side of the first box door 2.1, and the second timing system controller 3.2 is installed on the front of the second box door 2.2 and is 300mm and 150mm away from the top and the right side of the second box door 2.2;
a first power supply pipeline 4.1 is connected below the first timing system controller 3.1, and the outer diameter of the first power supply pipeline 4.1 is 15 mm; a second power supply pipeline 4.2 is connected below the second timing system controller 3.2, and the outer diameter of the second power supply pipeline 4.2 is 15 mm;
a first fixing clamp 5.1 and a second fixing clamp 5.2 are respectively arranged at the positions which are 100mm and 330mm away from the first timing system controller 3.1 and used for fixing a first power supply pipeline 4.1; a third fixing clamp 5.3 and a fourth fixing clamp 5.4 are respectively arranged at the positions which are 100mm and 330mm away from the second timing system controller 3.2 and used for fixing a second power supply pipeline 4.2;
the first electric heating wire installation area 6.1, the second electric heating wire installation area 6.2, the third electric heating wire installation area 6.3, the fourth electric heating wire installation area 6.4, the fifth electric heating wire installation area 6.5, the sixth electric heating wire installation area 6.6, the seventh electric heating wire installation area 6.7 and the eighth electric heating wire installation area 6.8 are positioned on the back surface of the first box door 2.1 and are installed in an embedded mode, the first electric heating wire installation area 6.1, the second electric heating wire installation area 6.2, the fifth electric heating wire installation area 6.5 and the sixth electric heating wire installation area 6.6 are all 225 multiplied by 20mm in size, the first electric heating wire installation area 6.1 and the second electric heating wire installation area 6.2 are installed on the top of the first box door 2.1, the first electric heating wire installation area 6.1 is arranged on the right, the second electric heating wire installation area 6.2 is arranged on the left, the fifth electric heating wire installation area 6.5 and the sixth electric heating wire installation area 6.6 are installed on the bottom of the first box door 2.1, in a rear view angle, a fifth electric heating wire installation area 6.5 is positioned on the left, a sixth electric heating wire installation area 6.6 is positioned on the right, the sizes of a third electric heating wire installation area 6.3, a fourth electric heating wire installation area 6.4, a seventh electric heating wire installation area 6.7 and an eighth electric heating wire installation area 6.8 are 480 multiplied by 20mm, the third electric heating wire installation area 6.3 and the fourth electric heating wire installation area 6.4 are installed on one side, close to the second door 2.2, of the first door 2.1, the third electric heating wire installation area 6.3 is positioned on the upper side, the fourth electric heating wire installation area 6.4 is positioned on the lower side, the seventh electric heating wire installation area 6.7 and the eighth electric heating wire installation area 6.8 are installed on one side, close to the left side of the refrigerated container shell 1, the seventh electric heating wire installation area 6.7 is positioned on the lower side, and the eighth electric heating wire installation area 6.8 is positioned on the upper side;
a ninth electric heater wire installation area 6.9, a tenth electric heater wire installation area 6.10, an eleventh electric heater wire installation area 6.11, a twelfth electric heater wire installation area 6.12, a thirteenth electric heater wire installation area 6.13, a fourteenth electric heater wire installation area 6.14, a fifteenth electric heater wire installation area 6.15 and a sixteenth electric heater wire installation area 6.16 are positioned on the back surface of the second box door 2.2, and are installed in an embedded manner, wherein the ninth electric heater wire installation area 6.9, the tenth electric heater wire installation area 6.10, the thirteenth electric heater wire installation area 6.13 and the fourteenth electric heater wire installation area 6.14 are all 225 × 20 × 20mm in size, the ninth electric heater wire installation area 6.9 and the tenth electric heater wire installation area 6.10 are installed on the top of the second box door 2.2, the ninth electric heater wire installation area 6.9 and the fourteenth electric heater wire installation area 6.10 are installed on the left side in a rear view, the tenth electric heater wire installation area 6.10 is installed on the right side, the thirteenth electric heater wire installation area 6.13 and the fourteenth electric heater wire installation area 6.14 are installed on the bottom of the, in a rear view, a thirteenth electric heating wire installation area 6.13 is located to the right, a fourteenth electric heating wire installation area 6.14 is located to the left, the eleventh electric heating wire installation area 6.11, a twelfth electric heating wire installation area 6.12, a fifteenth electric heating wire installation area 6.15 and a sixteenth electric heating wire installation area 6.16 are all 480 × 20 × 20mm in size, the eleventh electric heating wire installation area 6.11 and the twelfth electric heating wire installation area 6.12 are installed on one side of the second door 2.2 close to the second door 2.1, the eleventh electric heating wire installation area 6.11 is located above, the twelfth electric heating wire installation area 6.12 is located below, the fifteenth electric heating wire installation area 6.15 and the sixteenth electric heating wire installation area 6.16 are installed on one side of the second door 2.2 close to the right side of the refrigerated container shell 1, the fifteenth electric heating wire installation area 6.15 is located below, and the sixteenth electric heating wire installation area 6.16 is located above;
a seventeenth electric heating wire installation area 6.17, an eighteenth electric heating wire installation area 6.18, a nineteenth electric heating wire installation area 6.19, a twentieth electric heating wire installation area 6.20, a twenty-first electric heating wire installation area 6.21, a twenty-second electric heating wire installation area 6.22, a twenty-third electric heating wire installation area 6.23, a twenty-fourth electric heating wire installation area 6.24, a twenty-fifth electric heating wire installation area 6.25, a twenty-sixth electric heating wire installation area 6.26, a twenty-seventh electric heating wire installation area 6.27 and a twenty-eighth electric heating wire installation area 6.28 are embedded in the wall surface of the refrigerated container shell 1, which is tightly attached to the first door 2.1 and the second door 2.2, wherein the electric heating wire installation areas on the refrigerated container shell 1 correspond to the adjacent electric heating wire installation areas on the edges of the doors one by one, and have the same size, and the corresponding relations are that the seventeenth electric heating wire installation area 6.1 corresponds to the seventeenth electric heating wire installation area 6.17, the seventeenth, The second electric heating wire installation area 6.2 corresponds to an eighteenth electric heating wire installation area 6.18, the fifth electric heating wire installation area 6.5 corresponds to a nineteenth electric heating wire installation area 6.19, the sixth electric heating wire installation area 6.6 corresponds to a twentieth electric heating wire installation area 6.20, the seventh electric heating wire installation area 6.7 corresponds to a twenty-first electric heating wire installation area 6.21, the eighth electric heating wire installation area 6.8 corresponds to a twenty-second electric heating wire installation area 6.22, the ninth electric heating wire installation area 6.9 corresponds to a twenty-third electric heating wire installation area 6.23, the tenth electric heating wire installation area 6.10 corresponds to a twenty-fourth electric heating wire installation area 6.24, the thirteenth electric heating wire installation area 6.13 corresponds to a twenty-fifth electric heating wire installation area 6.25, the fourteenth electric heating wire installation area 6.14 corresponds to a twenty-sixth electric heating wire installation area 6.26, the fifteenth electric heating wire installation area 6.15 corresponds to a twenty-seventh electric heating wire installation area 6.27, The sixteenth electric heating wire installation area 6.16 corresponds to the twenty-eighth electric heating wire installation area 6.28;
the inner ring of the electric heating wire installation area in the first box door 2.1 is a first electric wire installation area 7.1, 20mm wide and 40mm thick, and is installed in an embedded mode; the inner ring of the electric heating wire installation area in the second box door 2.2 is a second electric wire installation area 7.2 which is 20mm wide and 40mm thick and is installed in an embedded mode; from a rear view perspective, the third wire mounting area 7.3 is located on the right side of the first box door 2.1, is 20mm wide and 40mm thick, and is mounted in an embedded manner; from a rear view perspective, the fourth wire installation area 7.4 is located on the left side of the second box door 2.2, is 20mm wide and 40mm thick, and is installed in an embedded mode;
the tail end of a first power supply pipeline 4.1 is divided into 2 branches which are respectively connected with a first electric wire installation area 7.1 and a third electric wire installation area 7.3, the two branches are combined into a main path and then are connected to a first timing system controller 3.1 through a first wall hole 9.1 positioned on the left side surface of a refrigerated container shell 1, and the first wall hole 9.1 is a circle with the radius of 15mm and is 135mm away from the front surface and the bottom of the refrigerated container shell 1; the tail end of a second power supply pipeline 4.2 is divided into 2 branches which are respectively connected with a second electric wire installation area 7.2 and a fourth electric wire installation area 7.4, the two branches are combined into a main path and then are connected to a second timing system controller 3.2 through a second wall hole 9.2 positioned on the right side surface of the refrigerated container shell 1, and the second wall hole 9.2 is a circle with the radius of 15mm and is 135mm away from the front surface and 135mm away from the bottom of the refrigerated container shell 1;
the sizes of the first voltage detector 8.1, the second voltage detector 8.2, the third voltage detector 8.3, the fourth voltage detector 8.4, the fifth voltage detector 8.5, the sixth voltage detector 8.6, the seventh voltage detector 8.7, the eighth voltage detector 8.8, the ninth voltage detector 8.9, the tenth voltage detector 8.10, the eleventh voltage detector 8.11, the twelfth voltage detector 8.12, the thirteenth voltage detector 8.13, the fourteenth voltage detector 8.14, the fifteenth voltage detector 8.15 and the sixteenth voltage detector 8.16 are all 80 × 80 × 50 mm;
the first voltage detector 8.1, the second voltage detector 8.2, the third voltage detector 8.3, the fourth voltage detector 8.4, the fifth voltage detector 8.5, the sixth voltage detector 8.6, the seventh voltage detector 8.7 and the eighth voltage detector 8.8 are arranged on the back surface of the first box door 2.1, from the back view, the first voltage detector 8.1 is 160mm and the right side is 80mm from the top of the first box door 2.1, the second voltage detector 8.2 is 160mm and the left side is 80mm from the top of the first box door 2.1, the first voltage detector 8.1, the sixth voltage detector 8.6, the seventh voltage detector 8.7 and the eighth voltage detector 8.8 are all 80mm from the right side of the first box door 2.1 in the horizontal direction, the distance between the adjacent voltage detectors in the vertical direction is 120mm, the second voltage detector 8.2, the third voltage detector 8.3, the fourth voltage detector 8.4 and the fifth voltage detector 8.5 are all 2 mm from the left side of the first box door 80mm in the horizontal direction, the distance between the adjacent voltage detectors in the vertical direction is 120 mm;
a ninth voltage detector 8.9, a tenth voltage detector 8.10, an eleventh voltage detector 8.11, a twelfth voltage detector 8.12, a thirteenth voltage detector 8.13, a fourteenth voltage detector 8.14, a fifteenth voltage detector 8.15 and a sixteenth voltage detector 8.16 are mounted on the back surface of the second door 2.2, the ninth voltage detector 8.9 is 160mm and 80mm from the top and the left side of the second door 2.2, the tenth voltage detector 8.10 is 160mm and 80mm from the top and the right side of the second door 2.2, the ninth voltage detector 8.9, the fourteenth voltage detector 8.14, the fifteenth voltage detector 8.15 and the sixteenth voltage detector 8.16 are all 80mm from the left side of the second door 2.2 in the horizontal direction, the distance between the adjacent voltage detectors in the vertical direction is 120mm, the tenth voltage detector 8.10, the eleventh voltage detector 8.11, the twelfth voltage detector 8.12 and the thirteenth voltage detector 8.13 are all 2.2 mm from the right side in the horizontal direction, the distance between the adjacent voltage detectors in the vertical direction is 120 mm;
the first voltage detector 8.1, the second voltage detector 8.2, the fifth voltage detector 8.5, the sixth voltage detector 8.6, the seventh voltage detector 8.7, the eighth voltage detector 8.8, the ninth voltage detector 8.9, the tenth voltage detector 8.10, the thirteenth voltage detector 8.13, the fourteenth voltage detector 8.14, the fifteenth voltage detector 8.15 and the sixteenth voltage detector 8.16 extend out of 4 probes, the third voltage detector 8.3, the fourth voltage detector 8.4, the eleventh voltage detector 8.11 and the twelfth voltage detector 8.12 extend out of 2 probes, and whether a circuit problem exists in one electric heating wire installation area is correspondingly determined every 2 probes.
The first voltage detector 8.1 measures the first electric heating wire installation area 6.1 and the seventeenth electric heating wire installation area 6.17; the second voltage detector 8.2 detects the second electric heating wire installation area 6.2 and the eighteenth electric heating wire installation area 6.18; a third voltage detector 8.3 measures a third electric heating wire installation area 6.3; a fourth voltage detector 8.4 measures a fourth electric heating wire installation area 6.4; a fifth voltage detector 8.5 measures a fifth electric heater wire installation area 6.5 and a nineteenth electric heater wire installation area 6.19; a sixth voltage detector 8.6 measures a sixth electric heating wire installation area 6.6 and a twentieth electric heating wire installation area 6.20; a seventh voltage detector 8.7 measures a seventh electric heating wire installation area 6.7 and a twenty-first electric heating wire installation area 6.21; an eighth voltage detector 8.8 measures an eighth electric heating wire installation area 6.8 and a twenty-second electric heating wire installation area 6.22; a ninth voltage detector 8.9 determines a ninth electric heating wire installation area 6.9 and a twenty-third electric heating wire installation area 6.23; a tenth voltage detector 8.10 determines a tenth electric heater wire installation area 6.10 and a twenty-fourth electric heater wire installation area 6.24; an eleventh voltage detector 8.11 measures an eleventh electric heating wire installation area 6.11; a twelfth voltage detector 8.12 measures a twelfth electric heating wire installation area 6.12; a thirteenth voltage detector 8.13 detects a thirteenth electric heating wire installation area 6.13 and a twenty-fifth electric heating wire installation area 6.25; a fourteenth voltage detector 8.14 measures a fourteenth electric heating wire installation area 6.14 and a twenty-sixth electric heating wire installation area 6.26; a fifteenth voltage detector 8.15 measures a fifteenth electric heating wire installation area 6.15 and a twenty-seventh electric heating wire installation area 6.27; the sixteenth voltage detector 8.16 measures the sixteenth electric-heater-wire-mounting area 6.16 and the twenty-eighth electric-heater-wire-mounting area 6.28.
The first voltage detector 8.1, the second voltage detector 8.2, the third voltage detector 8.3, the fourth voltage detector 8.4, the fifth voltage detector 8.5, the sixth voltage detector 8.6, the seventh voltage detector 8.7, the eighth voltage detector 8.8, the ninth voltage detector 8.9, the tenth voltage detector 8.10, the eleventh voltage detector 8.11, the twelfth voltage detector 8.12, the thirteenth voltage detector 8.13, the fourteenth voltage detector 8.14, the fifteenth voltage detector 8.15 and the sixteenth voltage detector 8.16 are measured in such a manner that the voltages at both ends of the corresponding electric heating wire are measured, and if the measured voltage is 0, the electric heating wire is proved to be in a short-circuited state, if the measured voltage is equal to or infinitely close to the total power supply voltage, the electric heating wire is proved to be in an open-circuited state, and if the above 2 data are measured, the electric heating wire is proved to have a circuit problem and cannot be used continuously.
The electric wires for power supply extend out from the first timing system controller 3.1 and the second timing system controller 3.2, are wrapped in the first power supply pipeline 4.1 and the second power supply pipeline 4.2, are conveyed to the first electric wire installation area 7.1, the second electric wire installation area 7.2, the third electric wire installation area 7.3 and the fourth electric wire installation area 7.4, are finally connected to the corresponding electric heating wire installation areas, and supply power to the electric heating wires.
The batteries for power supply are built into the first timing system controller 3.1 and the second timing system controller 3.2.
The electric heating wire is controlled to be opened at regular time through a first timing system controller 3.1 and a second timing system controller 3.2, and the setting is as follows: in the initial state, the first electric heating wire installation area 6.1, the third electric heating wire installation area 6.3, the fifth electric heating wire installation area 6.5, the seventh electric heating wire installation area 6.7, the tenth electric heating wire installation area 6.10, the twelfth electric heating wire installation area 6.12, the fourteenth electric heating wire installation area 6.14, the sixteenth electric heating wire installation area 6.16, the eighteenth electric heating wire installation area 6.18, the twentieth electric heating wire installation area 6.20, the twenty-second electric heating wire installation area 6.22, the twenty-third electric heating wire installation area 6.23, the twenty-fifth electric heating wire installation area 6.25 and the twenty-seventh electric heating wire installation area 6.27 are powered off, the rest of the electric heating wires are powered off for 30min, the power supply of all the electric heating wires is powered off for 2s after the power supply of 30min, the second electric heating wire installation area 6.2, the fifth electric heating wire installation area 6.5, the seventh electric heating wire installation area is powered on, The electric heating device comprises a fourth electric heating wire installation area 6.4, a sixth electric heating wire installation area 6.6, an eighth electric heating wire installation area 6.8, a ninth electric heating wire installation area 6.9, an eleventh electric heating wire installation area 6.11, a thirteenth electric heating wire installation area 6.13, a fifteenth electric heating wire installation area 6.15, a seventeenth electric heating wire installation area 6.17, a nineteenth electric heating wire installation area 6.19, a twenty-first electric heating wire installation area 6.21, a twenty-fourth electric heating wire installation area 6.24, a twenty-sixth electric heating wire installation area 6.26 and an twenty-eighth electric heating wire installation area 6.28, wherein the opening time is 30min, after the opening time of 30min, the power supply of all the electric heating wires is firstly closed for 2s, and then the power supply of the electric heating wires opened in the initial state is opened, so as to form a circulation and continuously prevent freezing of the refrigerator door.
The first voltage detector 8.1, the second voltage detector 8.2, the third voltage detector 8.3, the fourth voltage detector 8.4, the fifth voltage detector 8.5, the sixth voltage detector 8.6, the seventh voltage detector 8.7 and the eighth voltage detector 8.8 are in remote control connection with the first timing system controller 3.1; a ninth voltage detector 8.9, a tenth voltage detector 8.10, an eleventh voltage detector 8.11, a twelfth voltage detector 8.12, a thirteenth voltage detector 8.13, a fourteenth voltage detector 8.14, a fifteenth voltage detector 8.15 and a sixteenth voltage detector 8.16 are in remote control connection with the second timing system controller 3.2; when any one of the first voltage detector 8.1, the second voltage detector 8.2, the third voltage detector 8.3, the fourth voltage detector 8.4, the fifth voltage detector 8.5, the sixth voltage detector 8.6, the seventh voltage detector 8.7, the eighth voltage detector 8.8, the ninth voltage detector 8.9, the tenth voltage detector 8.10, the eleventh voltage detector 8.11, the twelfth voltage detector 8.12, the thirteenth voltage detector 8.13, the fourteenth voltage detector 8.14, the fifteenth voltage detector 8.15 and the sixteenth voltage detector 8.16 detects that the corresponding electric heating wire has a circuit problem of short circuit or open circuit, a signal is sent to the corresponding timing system controller, the corresponding timing system controller immediately closes the power supply with the problem and opens another power supply in the same group with the electric heating wire with the problem, and the path is not closed at regular time after being opened and is opened all the time; the information of the number of the electric heating wire with the problem is displayed on the screen of the corresponding first timing system controller 3.1 or second timing system controller 3.2. If the ninth electric heater strip installation area 6.9 in the drawing is detected by the ninth voltage detector 8.9 to have a short circuit or an open circuit, a signal is transmitted to the second timing system controller 3.2, the second timing system controller 3.2 controls to turn off the power supply of the ninth electric heater strip installation area 6.9 and turn on the power supply of the twenty-third electric heater strip installation area 6.23, and the power supply is not turned off at regular time.
The first power supply pipeline 4.1, the second power supply pipeline 4.2, the first wire mounting area 7.1, the second wire mounting area 7.2, the third wire mounting area 7.3 and the fourth wire mounting area 7.4 are made of plastic materials, and plastic hoses are made of the plastic materials.
The first wall hole 9.1 and the second wall hole 9.2 are required to be blocked by the first power supply pipeline 4.1 and the second power supply pipeline 4.2, so as to prevent the cold air in the refrigerated container from leaking from the first wall hole 9.1 and the second wall hole 9.2.
First fixation clamp 5.1, second fixation clamp 5.2, third fixation clamp 5.3 and fourth fixation clamp 5.4 adopt the aluminum alloy to make, guarantee the hardness, simultaneously because the weather such as torrential rain can be met when the transportation to the reefer container, the application aluminum alloy can be effectively avoided being given the corruption by water to increase of service life.
The utility model discloses when meetting arbitrary one section electric heating wire and going wrong the back, can look over on first timing system controller 3.1 or second timing system controller 3.2's screen, carry out the replacement of the electric heating wire that corresponds, the pertinence is stronger, and the discovery problem is very fast.
The utility model discloses heat from two sides, avoided the appearance of frostproofing blind area, and control electric heating wire and regularly open according to setting for, reduced the consumption of the energy, also reduced electric heating wire because long-time work leads to the possibility of overheated short circuit.
The above embodiments are merely illustrative of the design principles and applications of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (6)

1. Regularly electric heating wire chamber door anti-freezing equipment, its characterized in that:
the timing electric heating wire box door anti-freezing equipment comprises a refrigerated container shell (1), a box door, a timing system controller, a power supply pipeline, a fixing clamp, an electric heating wire installation area, an electric wire installation area, a voltage detector and a wall hole;
the box door comprises a first box door (2.1) and a second box door (2.2);
the timing system controller comprises a first timing system controller (3.1) and a second timing system controller (3.2);
the power supply pipeline comprises a first power supply pipeline (4.1) and a second power supply pipeline (4.2);
the fixing clamps comprise a first fixing clamp (5.1), a second fixing clamp (5.2), a third fixing clamp (5.3) and a fourth fixing clamp (5.4);
the electric heating wire installation areas comprise a first electric heating wire installation area (6.1), a second electric heating wire installation area (6.2), a third electric heating wire installation area (6.3), a fourth electric heating wire installation area (6.4), a fifth electric heating wire installation area (6.5), a sixth electric heating wire installation area (6.6), a seventh electric heating wire installation area (6.7), an eighth electric heating wire installation area (6.8), a ninth electric heating wire installation area (6.9), a tenth electric heating wire installation area (6.10), an eleventh electric heating wire installation area (6.11), a twelfth electric heating wire installation area (6.12), a thirteenth electric heating wire installation area (6.13), a fourteenth electric heating wire installation area (6.14), a fifteenth electric heating wire installation area (6.15), a sixteenth electric heating wire installation area (6.16), a seventeenth electric heating wire installation area (6.17), An eighteenth electric heating wire installation area (6.18), a nineteenth electric heating wire installation area (6.19), a twentieth electric heating wire installation area (6.20), a twenty-first and twenty-second electric heating wire installation area (6.21), a twenty-twelfth electric heating wire installation area (6.22), a twenty-third electric heating wire installation area (6.23), a twenty-fourteen electric heating wire installation area (6.24), a twenty-fifth electric heating wire installation area (6.25), a twenty-sixth electric heating wire installation area (6.26), a twenty-seventh electric heating wire installation area (6.27) and a twenty-eighth electric heating wire installation area (6.28);
the wire mounting areas comprise a first wire mounting area (7.1), a second wire mounting area (7.2), a third wire mounting area (7.3) and a fourth wire mounting area (7.4);
the voltage detectors comprise a first voltage detector (8.1), a second voltage detector (8.2), a third voltage detector (8.3), a fourth voltage detector (8.4), a fifth voltage detector (8.5), a sixth voltage detector (8.6), a seventh voltage detector (8.7), an eighth voltage detector (8.8), a ninth voltage detector (8.9), a tenth voltage detector (8.10), an eleventh voltage detector (8.11), a twelfth voltage detector (8.12), a thirteenth voltage detector (8.13), a fourteenth voltage detector (8.14), a fifteenth voltage detector (8.15) and a sixteenth voltage detector (8.16);
the wall holes comprise a first wall hole (9.1) and a second wall hole (9.2);
the first box door (2.1) and the second box door (2.2) are symmetrically arranged on the front surface of the refrigerated container shell (1);
the first timing system controller (3.1) is arranged on the front surface of the first box door (2.1), is connected with the first power supply pipeline (4.1) and enters the interior of the refrigerated container shell (1) through a first wall hole (9.1) on the left side of the refrigerated container shell (1);
the second timing system controller (3.2) is arranged on the front surface of the second box door (2.2), is connected with the second power supply pipeline (4.2) and enters the interior of the refrigerated container shell (1) through a second wall hole (9.2) on the right side of the refrigerated container shell (1);
the first fixing clamp (5.1) and the second fixing clamp (5.2) are arranged on the front surface of the refrigerated container shell (1) and used for fixing the first power supply pipeline (4.1);
the third fixing clamp (5.3) and the fourth fixing clamp (5.4) are arranged on the front surface of the refrigerated container shell (1) and used for fixing the second power supply pipeline (4.2);
a first electric heating wire installation area (6.1), a second electric heating wire installation area (6.2), a third electric heating wire installation area (6.3), a fourth electric heating wire installation area (6.4), a fifth electric heating wire installation area (6.5), a sixth electric heating wire installation area (6.6), a seventh electric heating wire installation area (6.7) and an eighth electric heating wire installation area (6.8) are installed at the edge of the first box door (2.1);
a ninth electric heating wire installation area (6.9), a tenth electric heating wire installation area (6.10), an eleventh electric heating wire installation area (6.11), a twelfth electric heating wire installation area (6.12), a thirteenth electric heating wire installation area (6.13), a fourteenth electric heating wire installation area (6.14), a fifteenth electric heating wire installation area (6.15) and a sixteenth electric heating wire installation area (6.16) are installed at the edge of the second box door (2.2);
a seventeenth electric heating wire installation area (6.17), an eighteenth electric heating wire installation area (6.18), a nineteenth electric heating wire installation area (6.19), a twentieth electric heating wire installation area (6.20), a twenty-two electric heating wire installation area (6.21), a twenty-twelve electric heating wire installation area (6.22), a twenty-three electric heating wire installation area (6.23), a twenty-four electric heating wire installation area (6.24), a twenty-five electric heating wire installation area (6.25), a twenty-six electric heating wire installation area (6.26), a twenty-seven electric heating wire installation area (6.27) and a twenty-eighteenth electric heating wire installation area (6.28) are installed on the inner side of the refrigerated container shell (1) at positions close to the edges of the container doors;
a first electric wire installation area (7.1), a second electric wire installation area (7.2), a third electric wire installation area (7.3) and a fourth electric wire installation area (7.4) are installed beside the corresponding electric heating wire installation areas, the first electric wire installation area (7.1) is positioned on the first box door (2.1), the second electric wire installation area (7.2) is positioned on the second box door (2.2), and the third electric wire installation area (7.3) and the fourth electric wire installation area (7.4) are positioned on the inner side of the refrigerated container shell (1);
a first voltage detector (8.1), a second voltage detector (8.2), a third voltage detector (8.3), a fourth voltage detector (8.4), a fifth voltage detector (8.5), a sixth voltage detector (8.6), a seventh voltage detector (8.7) and an eighth voltage detector (8.8) are arranged on the back surface of the first box door (2.1);
a ninth voltage detector (8.9), a tenth voltage detector (8.10), an eleventh voltage detector (8.11), a twelfth voltage detector (8.12), a thirteenth voltage detector (8.13), a fourteenth voltage detector (8.14), a fifteenth voltage detector (8.15) and a sixteenth voltage detector (8.16) are arranged on the back surface of the first box door (2.1);
a first voltage detector (8.1), a second voltage detector (8.2), a fifth voltage detector (8.5), a sixth voltage detector (8.6), a seventh voltage detector (8.7), an eighth voltage detector (8.8), a ninth voltage detector (8.9), a tenth voltage detector (8.10), a thirteenth voltage detector (8.13), a fourteenth voltage detector (8.14), a fifteenth voltage detector (8.15) and a sixteenth voltage detector (8.16) are respectively and correspondingly used for monitoring whether circuit problems exist in 2 electric heating wire installation areas or not;
and a third voltage detector (8.3), a fourth voltage detector (8.4), an eleventh voltage detector (8.11) and a twelfth voltage detector (8.12) are respectively used for correspondingly monitoring whether the circuit problem exists in 1 electric heating wire installation area.
2. The timing electric heating wire box door anti-freezing device as claimed in claim 1, wherein:
the first fixing clamp (5.1), the second fixing clamp (5.2), the third fixing clamp (5.3) and the fourth fixing clamp (5.4) are made of aluminum alloy.
3. The timing electric heating wire box door anti-freezing device as claimed in claim 1, wherein:
the cross section shapes and the areas of the first power supply pipeline (4.1) and the second power supply pipeline (4.2) are respectively equal to the cross section shapes and the areas of the first wall hole (9.1) and the second wall hole (9.2), so that cold air in the refrigerated container is prevented from leaking from the side.
4. The timing electric heating wire box door anti-freezing device as claimed in claim 1, wherein:
2 electric heating wires which are positioned on the box door and on the refrigerated container shell (1) and used for heating corresponding positions form a group, and the electric heating wires in the same group are not opened at the same time to prevent the box door from being frozen.
5. The timing electric heating wire box door anti-freezing device as claimed in claim 4, wherein:
when the electric heating wires in the same group are switched, the interval between the electric heating wires is 1-3 s, so that errors or errors of monitoring of corresponding voltage detectors are prevented;
and after the electric heating wires in use in the same group stop supplying power for 1-3 s, the power supply of the other electric heating wire is started.
6. The timing electric heating wire box door anti-freezing device as claimed in claim 1, wherein:
plastic hoses are adopted outside the first power supply pipeline (4.1), the second power supply pipeline (4.2), the first electric wire installation area (7.1), the second electric wire installation area (7.2), the third electric wire installation area (7.3) and the fourth electric wire installation area (7.4).
CN202021959148.5U 2020-09-10 2020-09-10 Timing electric heating wire box door anti-freezing equipment Active CN212314437U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021959148.5U CN212314437U (en) 2020-09-10 2020-09-10 Timing electric heating wire box door anti-freezing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021959148.5U CN212314437U (en) 2020-09-10 2020-09-10 Timing electric heating wire box door anti-freezing equipment

Publications (1)

Publication Number Publication Date
CN212314437U true CN212314437U (en) 2021-01-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021959148.5U Active CN212314437U (en) 2020-09-10 2020-09-10 Timing electric heating wire box door anti-freezing equipment

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112078971A (en) * 2020-09-10 2020-12-15 上海海洋大学 Timing electric heating wire chamber door anti-freezing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112078971A (en) * 2020-09-10 2020-12-15 上海海洋大学 Timing electric heating wire chamber door anti-freezing system

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