Heat preservation device for oil way of oil tank

Abstract

The utility model relates to the technical field of oil way heat preservation devices, in particular to a heat preservation device for an oil way of an oil tank, which comprises an oil pipe, a heat conduction pad, a heat preservation sleeve and a heating mechanism. A heat conduction pad abuts against the outer side of the oil pipe, a heat preservation sleeve is connected to the outer side of the heat conduction pad, and a heating mechanism is arranged between the heat conduction pad and the heat preservation sleeve. According to the heat preservation device of the oil tank oil way, the heat exchanger is connected with the vehicle water tank for heat exchange, water obtained after heat exchange is input into the heat dissipation pipe through the circulating pump, the oil pipe is heated, when the temperature of the water tank is low, the water is heated through the heating wire, and then the heat preservation device of the oil tank oil way is heated; during installation, the oil pipe is wrapped with the upper heat conduction pad and the lower heat conduction pad, then the arc plate is covered with the first half buckle ring, the clamping rod extends into the inserting groove to be fixed, and therefore the heat preservation device for the oil way of the oil tank can be conveniently disassembled and assembled.

Description

Technical Field

[0001] The utility model relates to the technical field of oil circuit insulation devices, in particular to a heat insulation device for an oil tank oil circuit. Background Art

[0002] At present, when the fuel tank of a car is used in the winter in the north, the ambient temperature is very low, sometimes reaching dozens of degrees below zero, which can easily cause the oil in the tank to freeze, causing the car to be unable to drive, causing inconvenience to driving. Therefore, it is necessary to install a heat preservation device on the oil line to prevent freezing. The existing heat preservation device still has certain defects when used, such as;

[0003] Existing insulation devices usually use insulation pipes to insulate oil pipes, most of which have no heating structure, which can easily increase the viscosity of the fuel and affect the fluidity of the fuel. In addition, the existing insulation devices are usually sleeved on the oil pipes. When the oil pipes or oil circuit insulation devices are damaged in the later stage, it is inconvenient to disassemble and assemble. Utility Model Content

[0004] The purpose of the utility model is to provide a heat preservation device for an oil tank oil circuit to solve the problems raised by the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat preservation device for an oil tank oil circuit, comprising: an oil pipe, a heat-conducting pad, a heat-insulating sleeve and a heating mechanism;

[0006] The outer side of the oil pipe is abutted with a heat-conducting pad, the outer side of the heat-conducting pad is connected to a heat-insulating sleeve, and a heating mechanism is arranged between the heat-conducting pad and the heat-insulating sleeve;

[0007] A fixing mechanism is arranged on the outer side of the insulation sleeve, and the heating mechanism comprises: a heat dissipation pipe, an input insulation pipe, an insulation box, a heating wire, a controller, a circulation pump, a first electric three-way valve, a pipeline, a heat exchanger, a second electric three-way valve, a parallel flow pipe, an output insulation pipe, a first temperature sensor and a second temperature sensor. A heat dissipation pipe is connected between the thermal pad and the insulation sleeve, one end of the heat dissipation pipe is connected to the input insulation pipe, the input insulation pipe passes through the inner wall of the insulation sleeve and is connected to the insulation box, a heating wire is connected below the inner wall of the insulation box, and a controller is connected to the front of the insulation box.

[0008] Preferably, one side of the insulated box is connected to a circulation pump, one side of the circulation pump is connected to a first electric three-way valve, one side of the first electric three-way valve is connected to a pipeline, and one side of the pipeline is connected to a heat exchanger.

[0009] Preferably, a second electric three-way valve is connected above the first electric three-way valve, the second electric three-way valve is connected to one side of the heat exchanger, and the other side of the second electric three-way valve is connected to a parallel flow pipe, one side of the parallel flow pipe is connected to an output insulation pipe, and the output insulation pipe passes through the inner wall of the insulation sleeve and is connected to the heat dissipation pipe.

[0010] Preferably, a first temperature sensor is connected above the inner wall of the pipeline, and a second temperature sensor is connected above the inner wall of the thermal insulation box, and both the first temperature sensor and the second temperature sensor are electrically connected to the controller.

[0011] Preferably, the fixing mechanism includes: an arc plate, a first half buckle ring, a second half buckle ring, a second buckle plate, a first buckle plate, a slot, a clamping rod, an empty slot, a T-shaped through slot, a rectangular frame, a tension spring, a pull rod and a pull ring, the outer side of the insulation sleeve is connected to the arc plate, the outer side of the arc plate is sleeved with the first half buckle ring, the lower part of the first half buckle ring is rotatably connected to the second half buckle ring, the front part of the second half buckle ring is fixedly connected to the second buckle plate, the upper part of the second buckle plate abuts against the first buckle plate, and the first buckle plate is fixedly connected to the front part of the first half buckle ring.

[0012] Preferably, a slot is provided on the upper surface of the second gusset plate, a clamping rod is movably connected in the slot, and the clamping rod is connected to the bottom of the first gusset plate.

[0013] Preferably, an empty slot is opened at the rear of the slot, and a T-shaped through slot is opened at the front of the slot, a rectangular frame is slidably connected in the empty slot and the T-shaped through slot, the clamping rod is engaged in the rectangular frame, a tension spring is connected to the rear of the rectangular frame, and the tension spring is connected to the inner wall of the empty slot.

[0014] Preferably, a pull rod is connected to the front of the rectangular frame, the pull rod slides through the T-shaped through slot, and a pull ring is connected to one end of the pull rod away from the rectangular frame, and the pull ring is arranged at the front of the second buckle plate.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the heat preservation device for the oil circuit of the fuel tank is connected to the vehicle water tank for heat exchange, and the water after heat exchange is input into the heat dissipation pipe by a circulating pump to heat the oil pipe. When the temperature of the water tank is relatively low, the water is heated by a heating wire, and then the heat preservation device of the oil circuit of the fuel tank is heated. By pulling the pull ring, the first half buckle ring is removed from the arc plate, and the thermal pad and the insulation sleeve are removed from the oil pipe. When installing, the oil pipe is wrapped with the upper and lower sets of thermal pads, and then the first half buckle ring is covered on the arc plate, and the clamp rod is inserted into the slot for fixing, so as to facilitate the disassembly and assembly of the heat preservation device of the oil circuit of the fuel tank. The specific contents are as follows:

[0016] 1. The heat exchanger is connected to the vehicle water tank for heat exchange. The first electric three-way valve is connected to the pipeline, the second electric three-way valve is connected to the heat exchanger, and the circulating pump is used to input the heat-exchanged water into the heat dissipation pipe through the input insulation pipe to heat the oil pipe, and then return to the heat exchanger from the output insulation pipe for heat exchange again for heating. When the vehicle stops running or the temperature of the water tank is relatively low, the first electric three-way valve is connected to the second electric three-way valve, the first electric three-way valve is disconnected from the pipeline, the second electric three-way valve is disconnected from the heat exchanger, and then the heating wire is energized to heat the water, heat the oil pipe, and then heat the insulation device of the oil circuit of the oil tank;

[0017] 2. Pull the pull ring to move the rectangular frame to release the engagement of the clamping rod, then rotate the first half buckle ring, remove the first half buckle ring from the arc plate, remove the thermal pad and the insulation sleeve from the oil pipe. During installation, wrap the oil pipe with the upper and lower sets of thermal pads, then rotate the first half buckle ring to cover the arc plate, extend the clamping rod into the slot, engage it in the rectangular frame to fix it, and then facilitate the disassembly and assembly of the insulation device of the oil circuit of the oil tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main cross-sectional structure of the thermal insulation cover of the utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the heat dissipation pipe of the utility model;

[0020] Figure 3 This is a schematic diagram of the side cross-sectional structure of the first half buckle ring of the utility model;

[0021] Figure 4 This is a schematic diagram of the side cross-sectional structure of a rectangular frame of the utility model;

[0022] Figure 5 It is a schematic diagram of the main structure of the utility model.

[0023] In the figure: 1. oil pipe; 2. thermal pad; 3. insulation sleeve; 4. heating mechanism; 401. heat dissipation pipe; 402. input insulation pipe; 403. insulation box; 404. heating wire; 405. controller; 406. circulation pump; 407. first electric three-way valve; 408. pipeline; 409. heat exchanger; 410. second electric three-way valve; 411. parallel flow pipe; 412. output insulation pipe; 413. first temperature sensor; 414. second temperature sensor; 5. fixing mechanism; 501. arc plate; 502. first half buckle ring; 503. second half buckle ring; 504. second buckle plate; 505. first buckle plate; 506. slot; 507. clamping rod; 508. empty slot; 509. T-shaped through slot; 510. rectangular frame; 511. tension spring; 512. pull rod; 513. pull ring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 3 and Figure 5 The utility model provides a technical solution: a heat preservation device for an oil tank oil circuit, comprising: an oil pipe 1, a heat conductive pad 2, a heat preservation sleeve 3 and a heating mechanism 4;

[0026] The outer side of the oil pipe 1 is in contact with a heat-conducting pad 2, and the outer side of the heat-conducting pad 2 is connected to a heat-insulating sleeve 3, and a heating mechanism 4 is arranged between the heat-conducting pad 2 and the heat-insulating sleeve 3; a fixing mechanism 5 is arranged on the outer side of the heat-insulating sleeve 3, and the heating mechanism 4 includes: a heat dissipation pipe 401, an input heat-insulating pipe 402, a heat-insulating box 403, a heating wire 404, a controller 405, a circulation pump 406, a first electric three-way valve 407, a pipeline 408, a heat exchanger 409, and a second electric three-way valve 41 0, a parallel flow tube 411, an output insulation tube 412, a first temperature sensor 413 and a second temperature sensor 414, a heat dissipation pipe 401 is connected between the thermal pad 2 and the insulation sleeve 3, one end of the heat dissipation pipe 401 is connected to an input insulation pipe 402, the input insulation pipe 402 passes through the inner wall of the insulation sleeve 3 and is connected to an insulation box 403, a heating wire 404 is connected to the lower part of the inner wall of the insulation box 403, and a controller 405 is connected to the front of the insulation box 403.

[0027] A circulation pump 406 is connected to one side of the insulation box 403, a first electric three-way valve 407 is connected to one side of the circulation pump 406, a pipe 408 is connected to one side of the first electric three-way valve 407, a heat exchanger 409 is connected to one side of the pipe 408, a second electric three-way valve 410 is connected above the first electric three-way valve 407, the second electric three-way valve 410 is connected to one side of the heat exchanger 409, and a parallel flow pipe 411 is connected to the other side of the second electric three-way valve 410, an output insulation pipe 412 is connected to one side of the parallel flow pipe 411, the output insulation pipe 412 passes through the inner wall of the insulation sleeve 3 and is connected to the heat dissipation pipe 401, a first temperature sensor 413 is connected above the inner wall of the pipe 408, a second temperature sensor 414 is connected above the inner wall of the insulation box 403, and both the first temperature sensor 413 and the second temperature sensor 414 are electrically connected to the controller 405.

[0028] In a specific implementation, the heat exchanger 409 is connected to the vehicle water tank for heat exchange. If the first temperature sensor 413 detects that the water temperature after heat exchange rises, the first electric three-way valve 407 is connected to the pipeline 408, and the second electric three-way valve 410 is connected to the heat exchanger 409. The circulating pump 406 is used to pass the heat exchanged water through the insulation box 403 and the input insulation pipe 402 into the heat dissipation pipe 401 to heat the oil pipe 1, and then from the output insulation pipe 412 through the parallel flow pipe 411 and the second electric three-way valve 410 back to the heat exchanger 409 for heat exchange again. When the vehicle stops running or the temperature of the water tank is relatively low, the first temperature sensor 413 detects that the water temperature after heat exchange rises. The temperature after heating is also relatively low, so the first electric three-way valve 407 is connected to the second electric three-way valve 410, the first electric three-way valve 407 is disconnected from the pipeline 408, the second electric three-way valve 410 is disconnected from the heat exchanger 409, and the water no longer passes through the heat exchanger 409, and then the heating wire 404 is energized to heat the water and the oil pipe 1. The controller 405 can also be used to set a temperature threshold. When the first temperature sensor 413 detects that the temperature after heat exchange is too high, the connection with the heat exchanger 409 is actively disconnected. When the second temperature sensor 414 detects that the temperature is relatively low, the heat exchanger 409 is connected again to heat the insulation device of the oil circuit of the oil tank.

[0029] See also Figure 1 and Figure 3-Figure 5 It can be seen that the fixing mechanism 5 includes: an arc plate 501, a first half buckle ring 502, a second half buckle ring 503, a second buckle plate 504, a first buckle plate 505, a slot 506, a clamping rod 507, an empty slot 508, a T-shaped through slot 509, a rectangular frame 510, a tension spring 511, a pull rod 512 and a pull ring 513. The outer side of the thermal insulation sleeve 3 is connected with the arc plate 501, the outer side of the arc plate 501 is sleeved with the first half buckle ring 502, the lower part of the first half buckle ring 502 is rotatably connected with the second half buckle ring 503, the front part of the second half buckle ring 503 is fixedly connected with the second buckle plate 504, the upper part of the second buckle plate 504 is abutted with the first buckle plate 505, the first buckle plate 505 is fixedly connected to the front part of the first half buckle ring 502, and the upper surface of the second buckle plate 504 A slot 506 is provided on the surface, and a clamping rod 507 is movably connected in the slot 506. The clamping rod 507 is connected to the bottom of the first buckle plate 505. An empty slot 508 is provided at the rear of the slot 506, and a T-shaped through slot 509 is provided at the front of the slot 506. A rectangular frame 510 is slidably connected in the empty slot 508 and the T-shaped through slot 509. The clamping rod 507 is engaged in the rectangular frame 510, and a tension spring 511 is connected to the rear of the rectangular frame 510, and the tension spring 511 is connected to the inner wall of the empty slot 508. A pull rod 512 is connected to the front of the rectangular frame 510, and the pull rod 512 slides through the T-shaped through slot 509, and a pull ring 513 is connected to the end of the pull rod 512 away from the rectangular frame 510, and the pull ring 513 is arranged at the front of the second buckle plate 504.

[0030] During specific implementation, arc plates 501 are provided in the first half buckle ring 502 and the second half buckle ring 503 to fix the upper and lower groups of insulation sleeves 3 together, and the pull ring 513 is pulled to drive the pull rod 512 to move, driving the rectangular frame 510 to pull the tension spring 511 to release the engagement of the clamping rod 507, and then the first half buckle ring 502 is rotated to drive the clamping rod 507 to move out of the slot 506, and the first half buckle ring 502 is removed from the arc plate 501, and the thermal pad 2 and the insulation sleeve 3 are removed from the oil pipe 1. During installation, the oil pipe 1 will be wrapped with the upper and lower groups of thermal pads 2, and then the first half buckle ring 502 is rotated to cover the arc plate 501, and the clamping rod 507 is extended into the slot 506 and is clamped in the rectangular frame 510 for fixation, so as to facilitate the disassembly and assembly of the insulation device of the oil circuit of the oil tank.

[0031] To sum up: when using this kind of insulation device for the oil circuit of the oil tank, first, use two sets of thermal pads 2 and insulation sleeves 3 to clamp the oil pipe 1, and cover the arc plate 501 with the first half buckle ring 502, fit the second buckle plate 504 with the first buckle plate 505, connect the heat exchanger 409 to the car water tank with a water pipe, the thermal pad 2 transfers the heat of the heat pipe 401 to the oil pipe 1, the insulation sleeve 3 isolates the external environment, reduces the influence of the external environment temperature, and reduces the temperature loss of the heat pipe 401 to the outside. When the temperature of the car water tank is relatively high, the heat of the car water tank is used to heat the oil pipe 1 through the heat exchanger 409. When the temperature of the car water tank is relatively low, the heating wire 404 is used to heat the oil pipe 1. The contents not described in detail in this description belong to the prior art known to professional and technical personnel in this field.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A heat preservation device for an oil tank oil circuit, comprising: The oil pipe (1), the heat-conducting pad (2), the heat-insulating sleeve (3) and the heating mechanism (4) are characterized by: The outer side of the oil pipe (1) is in contact with a heat-conducting pad (2), the outer side of the heat-conducting pad (2) is connected to a heat-insulating sleeve (3), and a heating mechanism (4) is provided between the heat-conducting pad (2) and the heat-insulating sleeve (3); The outer side of the thermal insulation sleeve (3) is provided with a fixing mechanism (5), and the heating mechanism (4) comprises: a heat dissipation pipe (401), an input thermal insulation pipe (402), a thermal insulation box (403), a heating wire (404), a controller (405), a circulation pump (406), a first electric three-way valve (407), a pipeline (408), a heat exchanger (409), a second electric three-way valve (410), a parallel flow pipe (411), an output thermal insulation pipe (412), and a first temperature sensor. (413) and a second temperature sensor (414), a heat dissipation pipe (401) is connected between the thermal pad (2) and the thermal insulation sleeve (3), one end of the heat dissipation pipe (401) is connected to an input thermal insulation pipe (402), the input thermal insulation pipe (402) passes through the inner wall of the thermal insulation sleeve (3) and is connected to a thermal insulation box (403), a heating wire (404) is connected below the inner wall of the thermal insulation box (403), and a controller (405) is connected to the front of the thermal insulation box (403).

2. The heat preservation device for the oil circuit of the oil tank according to claim 1, characterized in that: One side of the thermal insulation box (403) is connected to a circulation pump (406), one side of the circulation pump (406) is connected to a first electric three-way valve (407), one side of the first electric three-way valve (407) is connected to a pipeline (408), and one side of the pipeline (408) is connected to a heat exchanger (409).

3. The heat preservation device for the oil circuit of the oil tank according to claim 2, characterized in that: A second electric three-way valve (410) is connected above the first electric three-way valve (407), the second electric three-way valve (410) is connected to one side of the heat exchanger (409), and the other side of the second electric three-way valve (410) is connected to a parallel flow pipe (411), one side of the parallel flow pipe (411) is connected to an output insulation pipe (412), and the output insulation pipe (412) passes through the inner wall of the insulation sleeve (3) and is connected to the heat dissipation pipe (401).

4. The heat preservation device for the oil circuit of the oil tank according to claim 2, characterized in that: A first temperature sensor (413) is connected to the upper part of the inner wall of the pipeline (408), and a second temperature sensor (414) is connected to the upper part of the inner wall of the thermal insulation box (403). Both the first temperature sensor (413) and the second temperature sensor (414) are electrically connected to the controller (405).

5. The heat preservation device for the oil circuit of the oil tank according to claim 1, characterized in that: The fixing mechanism (5) comprises: an arc plate (501), a first half buckle ring (502), a second half buckle ring (503), a second buckle plate (504), a first buckle plate (505), a slot (506), a clamping rod (507), an empty slot (508), a T-shaped through slot (509), a rectangular frame (510), a tension spring (511), a pull rod (512) and a pull ring (513); the outer side of the thermal insulation sleeve (3) is connected with the arc plate (501); the outer side of the arc plate (501) is sleeved with the first half buckle ring (502); the lower part of the first half buckle ring (502) is rotatably connected with the second half buckle ring (503); the front part of the second half buckle ring (503) is fixedly connected with the second buckle plate (504); the upper part of the second buckle plate (504) is abutted against the first buckle plate (505); the first buckle plate (505) is fixedly connected to the front part of the first half buckle ring (502).

6. The heat preservation device for the oil circuit of the oil tank according to claim 5, characterized in that: A slot (506) is provided on the upper surface of the second buckle plate (504), and a clamping rod (507) is movably connected in the slot (506), and the clamping rod (507) is connected to the bottom of the first buckle plate (505).

7. The heat preservation device for the oil circuit of the oil tank according to claim 6, characterized in that: The rear portion of the slot (506) is provided with an empty slot (508), and the front portion of the slot (506) is provided with a T-shaped through slot (509); a rectangular frame (510) is slidably connected in the empty slot (508) and the T-shaped through slot (509); the clamping rod (507) is engaged in the rectangular frame (510); a tension spring (511) is connected to the rear portion of the rectangular frame (510); and the tension spring (511) is connected to the inner wall of the empty slot (508).

8. The heat preservation device for the oil circuit of the oil tank according to claim 7, characterized in that: The front of the rectangular frame (510) is connected to a pull rod (512), which slides through the T-shaped through slot (509), and one end of the pull rod (512) away from the rectangular frame (510) is connected to a pull ring (513), which is arranged at the front of the second buckle plate (504).

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