CN111935959A

CN111935959A - Heat abstractor and AGV dolly

Info

Publication number: CN111935959A
Application number: CN202010839686.9A
Authority: CN
Inventors: 张喜斌; 张亚锦; 李德权; 刘宗生; 张海锋
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2020-11-13
Anticipated expiration: 2040-08-19
Also published as: CN111935959B

Abstract

The invention provides a heat dissipation device and an AGV trolley, wherein the heat dissipation device comprises a liquid supply assembly, a refrigeration part, a first cooling part and a second cooling part which are sequentially connected end to form a liquid supply loop; the heat dissipating double-fuselage still includes: the fan assembly is arranged opposite to the first cooling part so that airflow formed by the fan assembly passes through the first cooling part; temperature detection means for detecting a temperature of the first heating part to control the stop of the cooling part according to the temperature detected by the temperature detection means; wherein the second cooling component is used for contacting with the second heat generating component; the first heat generating component and the second heat generating component are both positioned on a side of the first cooling component facing away from the fan assembly. The cooling method that this heat abstractor combines together through adopting air-cooled method and liquid cooling method to solve the relatively poor problem of radiating effect of laser guide formula AGV among the prior art.

Description

Heat abstractor and AGV dolly

Technical Field

The invention relates to the technical field of heat dissipation of AGV trolleys, in particular to a heat dissipation device and an AGV trolley.

Background

An AGV (automated Guided vehicle) achieves the purpose of automatically driving according to a preset track by means of a guiding system equipped on the AGV without manual navigation. The AGV trolley has the advantages of high automation, safety, high efficiency, simplicity in operation, convenience in use, low requirement on operators and the like, and is widely applied to the fields of aerospace, rail transit, deep submergence exploration and the like.

At present, magnetic stripe navigation, optical navigation, inertial navigation and laser navigation are mainly adopted as AGV car navigation modes, the magnetic stripe navigation is realized by arranging a magnetic stripe on a track of the AGV car which is scheduled to run and combining a magnetic stripe reading technology, the magnetic navigation mode is low in cost and poor in flexibility, and tasks cannot be changed in real time through a control system; the optical navigation is realized by pasting a color band or painting color paint on a track of the AGV trolley which is scheduled to run and combining an image processing technology, so that the flexibility is better, but the requirement on the working environment is higher and the navigation reliability is poorer; the inertial navigation is realized by installing a gyroscope in an AGV trolley, installing a positioning block on a driving track and combining a digital signal processing technology, but the manufacturing cost is high and the guiding precision is limited by the manufacturing progress of the gyroscope; laser navigation installs laser scanner on the AGV dolly, and the reflector panel direct reflection of laying through the route of traveling realizes the position matching through the reflected signal, reaches accurate navigation and keeps away the purpose of barrier.

Along with the development of industry, the navigation precision of the laser-guided AGV is required to be higher and higher, a direct current motor and a laser emitter thereof are generally configured in the laser-guided AGV, the direct current motor and the laser emitter thereof can generate heat in the working process, and the generated heat can influence the stability of the laser emitter if the generated heat can not be timely dissipated outside a small vehicle, so that the navigation precision of the AGV is influenced.

The AGV runs under a complex working condition, due to the existence of unpredictable factors, the laser emitter and the direct current motor can generate more heat within a short time, the heat can seriously affect the service life of the laser emitter and the direct current motor, and even the core components of the AGV are damaged.

The heat dissipation method of the laser-guided AGV mainly comprises a natural cooling method, an air cooling method and a liquid cooling method. The natural cooling method is that according to the self vehicle body structure, heat is conducted to the outside of the vehicle through a material with better heat conductivity for heat dissipation, the cost is lower, but the heat dissipation capability is poorer; the air cooling method brings heat outside the automobile body through air flow, is suitable for heat dissipation of electronic components, and is large in heat dissipation area but limited in heat dissipation capacity; the liquid cooling method has strong heat dissipation capacity, and the pipelines are flexibly and conveniently arranged, but the heat dissipation area is limited by the structure of the copper pipe. Therefore, the heat dissipation effect of the heat dissipation method of the laser-guided AGV in the prior art is poor.

Disclosure of Invention

The invention mainly aims to provide a heat dissipation device and an AGV (automatic guided vehicle) to solve the problem that a laser-guided AGV in the prior art is poor in heat dissipation effect.

In order to achieve the above object, according to one aspect of the present invention, a heat dissipation device is provided for dissipating heat of a first heat generating component and a second heat generating component in an AGV cart, the heat dissipation device includes a liquid supply assembly, a refrigeration component, a first cooling component and a second cooling component connected end to end in sequence to form a liquid supply loop; the heat dissipating double-fuselage still includes: the fan assembly is arranged opposite to the first cooling part so that airflow formed by the fan assembly passes through the first cooling part; temperature detection means for detecting a temperature of the first heating part to control the stop of the cooling part according to the temperature detected by the temperature detection means; wherein the second cooling component is used for contacting with the second heat generating component; the first heat generating component and the second heat generating component are both positioned on a side of the first cooling component facing away from the fan assembly.

Further, the heat dissipation device further includes: the temperature detection device, the first power supply and the refrigeration part are all arranged on a preset circuit; the temperature detection device is connected with the first heating component, so that the temperature detection device controls the on-off of the preset electric loop according to the temperature of the first heating component; and/or the heat conduction component is strip-shaped, and two ends of the heat conduction component are respectively connected with the temperature detection device and the first heating component, so that the temperature detection device can sense the temperature of the first heating component through the heat conduction component.

Further, the first cooling part comprises a first condensation pipe section, a second condensation pipe section and a third condensation pipe section which are connected in sequence; the number of the second condensation pipe sections is one, or the number of the second condensation pipe sections is multiple, and the multiple second condensation pipe sections are sequentially arranged along the first preset direction.

Furthermore, the second condensation pipe section comprises a first pipe section, a second pipe section and a third pipe section which are connected in sequence, the first pipe section and the third pipe section are straight pipe sections, and the pipe axis of the first pipe section is parallel to the pipe axis of the third pipe section; the extending direction of the first pipe section is vertical to the first preset direction; and/or when the number of the second condensation pipe sections is multiple, two adjacent second condensation pipe sections are connected through a connecting pipe section; and/or the first condensation pipe section is a straight pipe section; and/or the third condensation pipe section is a straight pipe section.

Furthermore, the heat dissipation device also comprises a supporting plate group, wherein the supporting plate group is provided with an accommodating cavity, an air inlet and an air outlet, the air inlet and the air outlet are communicated with the accommodating cavity, and the first cooling part is arranged in the accommodating cavity; the fan assembly is arranged opposite to the air inlet, and the air outlet is arranged towards the first heat generating component and/or the second heat generating component.

Furthermore, the support plate group comprises a first support plate and a second support plate, and the first support plate and the second support plate are butted so as to enclose an accommodating cavity between the first support plate and the second support plate; the air inlet is arranged on the first supporting plate, and the air outlet is arranged on the second supporting plate.

Further, when the first cooling part comprises a first condensation pipe section, a second condensation pipe section and a third condensation pipe section which are connected in sequence, the accommodating cavity comprises a first cavity section, a second cavity section and a third cavity section which are connected in sequence, the first condensation pipe section is positioned in the first cavity section, the second condensation pipe section is positioned in the second cavity section, and the third condensation pipe section is positioned in the third cavity section; when the number of the second condensation pipe sections is multiple, the number of the second cavity sections is multiple, and the plurality of the second condensation pipe sections are arranged in the plurality of the second cavity sections in a one-to-one correspondence manner.

Further, the air inlets and the air outlets are multiple, each second cavity section is communicated with at least one air inlet, and each second cavity section is communicated with at least one air outlet.

Further, the fan assembly comprises a plurality of fans which are arranged at intervals along a first preset direction; the heat dissipating double-fuselage still includes: the filter assembly comprises a plurality of filter pieces, and the plurality of filter pieces are arranged in one-to-one correspondence with the plurality of fans; each filter element is located upstream of the corresponding fan in the direction of flow of the air flow.

Furthermore, the AGV trolley body comprises an outer wall and an inner wall, an interlayer space is arranged between the outer wall and the inner wall, and the plurality of fans and the plurality of filter pieces are located in the interlayer space.

Furthermore, the interlayer space comprises a plurality of installation cavity sections which are arranged at intervals, and the plurality of fans are arranged in the installation cavity sections in a one-to-one correspondence manner; the installation cavity sections and the filter pieces are all rectangular, and the length of each installation cavity section is smaller than that of the corresponding filter piece; wherein, the length direction of each installation cavity section and the length direction of each filter piece are parallel to the extension direction of the wall section part of the corresponding vehicle outer wall.

Furthermore, the second heat generating component is columnar, the second cooling component comprises a spiral pipe section, and the spiral pipe section is wound on the second heat generating component along the extending direction of the second heat generating component; or the second cooling part comprises a plurality of cooling pipe sections which are connected in sequence, and each cooling pipe section is annular; along the extending direction of the second heat generating component, a plurality of cooling pipe sections are sleeved on the second heat generating component at intervals.

Further, the automobile body of AGV dolly includes car outer wall and car inner wall, has the intermediate layer space between car outer wall and the car inner wall, and heat abstractor still includes: a ventilation assembly located downstream of the first and second heat generating components in a flow direction of the airflow; the ventilation assembly comprises a plurality of ventilation pieces which are arranged in the interlayer space at intervals; and/or, the ventilation component is communicated with the refrigeration component so as to discharge hot gas generated by the refrigeration component; the ventilation component is positioned in the interlayer space.

According to another aspect of the invention, an AGV cart is provided, which includes a cart body, a first heat generating component, a second heat generating component and the heat dissipation device, wherein the first heat generating component is a laser emitter, the second heat generating component is a motor, an installation space is provided inside the cart body, and at least parts of the first heat generating component, the second heat generating component and the heat dissipation device are all arranged in the installation space.

By applying the technical scheme of the invention, the heat dissipation device is used for dissipating heat of the first heating component and the second heating component in the AGV trolley, and comprises a liquid supply assembly, a refrigeration component, a first cooling component and a second cooling component which are sequentially connected end to form a liquid supply loop; the heat dissipation device further comprises a fan assembly and a temperature detection device, wherein the fan assembly is arranged opposite to the first cooling part, so that airflow formed by the fan assembly passes through the first cooling part, and the airflow formed by the fan assembly is cooled by the first cooling part, and cold air is formed; first heat-generating component and second heat-generating component all are located one side that deviates from fan assembly of first cooling unit to the air current that fan assembly formed can flow to first heat-generating component and second heat-generating component after first cooling unit forms cold wind, cools off the temperature to first heat-generating component and second heat-generating component, and then realizes the heat dissipation of first heat-generating component and second heat-generating component, in order to avoid at AGV dolly working process, because of the overheated and trouble that takes place of part.

The temperature detection device is used for detecting the temperature of the first heating component so as to control the stop of the refrigeration component according to the temperature detected by the temperature detection device. In a specific implementation process, when the temperature of the first heat generating component detected by the temperature detecting device is less than or equal to a first preset temperature, the refrigerating component does not perform refrigerating operation, and when the airflow formed by the fan assembly passes through the first heat generating component and the second heat generating component, at least part of heat of the first heat generating component and the second heat generating component can be taken away, so that heat dissipation of the first heat generating component and the second heat generating component is realized; the second cooling part is used for contacting with the second heat generating part, and the liquid in the second cooling part exchanges heat with the second heat generating part to cool the second heat generating part because the temperature of the liquid in the second cooling part is lower than that of the second heat generating part; namely, the first heat generating component only depends on the airflow formed by the fan assembly to realize heat dissipation, and the second heat generating component depends on the airflow formed by the fan assembly and the liquid in the second cooling component to realize heat dissipation.

When the temperature of the first heating component detected by the first heating component is greater than or equal to a second preset temperature, controlling the refrigerating component to perform refrigerating work, namely refrigerating the liquid flowing through the refrigerating component to reduce the temperature of the liquid flowing through the refrigerating component to form condensate, wherein the condensate flowing out of the refrigerating component flows through the first cooling component and the second cooling component in sequence; the condensate in the first cooling component cools the airflow passing through the first cooling component, and the cooled airflow flows to the first heat generating component and the second heat generating component so as to cool the first heat generating component and the second heat generating component; at the same time, the condensate flowing through the second cooling element also cools the second heat-generating element.

The cooling method combining the air cooling method and the liquid cooling method is adopted, so that the problem of limited heat dissipation capability of the air cooling method in the prior art is solved, and the problem of limitation of pipeline structure arrangement of the liquid cooling method in the prior art is also solved. Therefore, the heat dissipation device has a good heat dissipation effect, is applied to the laser-guided AGV and solves the problem that the heat dissipation effect of the laser-guided AGV in the prior art is poor.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view showing a structure in which a heat dissipating device according to the present invention is mounted on a vehicle body;

FIG. 2 illustrates a schematic structural view of a liquid supply assembly of the heat sink of FIG. 1;

FIG. 3 shows a schematic diagram of a power supply circuit for a second power supply of the heat dissipation device of FIG. 1;

FIG. 4 is a schematic view of the structure in which the vent assembly of the heat sink according to the present invention is mounted to the vehicle body;

FIG. 5 is a schematic diagram showing the structural arrangement of a first power supply, a temperature detection device, a heat conduction member and a refrigeration member of the heat dissipation device according to the present invention;

fig. 6 shows an exploded view of a first cooling element and a set of support plates of a heat sink according to the invention;

FIG. 7 is a schematic top view of the heat sink assembly of FIG. 6 with the first cooling member and the set of support plates engaged;

FIG. 8 illustrates a side view of the set of support plates and the first cooling member of the heat sink of FIG. 6 after engagement;

fig. 9 is a schematic view showing the internal structure of the support plate group and the first cooling member of the heat sink in fig. 6 after being assembled;

fig. 10 is a schematic structural view illustrating a first support plate and a second support plate of the support plate group of the heat sink in fig. 6.

Wherein the figures include the following reference numerals:

100. a heat sink;

10. a liquid supply assembly; 11. a liquid supply tank; 110. a liquid injection port; 12. a liquid supply pump; 13. a first filter; 14. a second filter; 15. a spray head; 16. a stop valve;

20. a refrigeration component;

30. a first cooling member; 31. a first condenser section; 33. a third condenser section;

32. a second condenser tube section; 321. a first tube section; 322. a second tube section; 323. a third tube section;

40. a second cooling member; 41. a helical tube section;

50. a fan assembly; 51. a fan;

61. a first power supply; 62. a temperature detection device; 63. a heat conductive member;

70. a group of support plates;

71. a first support plate; 711. a first plate section; 712. a third plate section; 713. a fifth plate segment;

72. a second support plate; 721. a second plate section; 722. a fourth plate segment; 723. a sixth plate segment;

73. an accommodating chamber; 731. a first cavity section; 732. a second cavity section; 733. a third cavity section;

74. an air inlet; 75. an air outlet; 76. a fastener;

81. a filter assembly; 810. a filter member; 82. a ventilation assembly; 820. a ventilation member; 83. a ventilation member;

90. a second power supply; 91. a switch;

201. a first heat-generating component; 202. a second heat generating component; 203. a vehicle body; 204. an installation space; 205. an outer wall of the vehicle; 206. turning the inner wall; 207. an interlayer space; 2071. installing a cavity section; 208. a wall segment; 2081. a first wall segment; 2082. a second wall segment; 209. connecting wall sections.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The invention provides a heat dissipation device 100, referring to fig. 1 to 10, the heat dissipation device 100 is used for dissipating heat of a first heat generating component 201 and a second heat generating component 202 in an AGV, the heat dissipation device 100 comprises a liquid supply assembly 10, a refrigeration component 20, a first cooling component 30 and a second cooling component 40 which are sequentially connected end to form a liquid supply loop; the heat dissipation device 100 further comprises a fan assembly 50 and a temperature detection device 62, wherein the fan assembly 50 is arranged opposite to the first cooling part 30, so that the airflow formed by the fan assembly 50 passes through the first cooling part 30; the temperature detecting means 62 is for detecting the temperature of the first heat generating component 201 to control the stop of the cooling component 20 according to the temperature detected by the temperature detecting means 62; wherein the second cooling member 40 is adapted to be in contact with the second heat generating component 202; the first and second

heat generating components

201 and 202 are both located on a side of the first cooling component 30 facing away from the fan assembly 50.

In the heat dissipation apparatus 100 of the present invention, the fan assembly 50 is disposed opposite to the first cooling part 30, so that the airflow generated by the fan assembly 50 passes through the first cooling part 30, and the airflow generated by the fan assembly 50 is cooled by the first cooling part 30, thereby forming cold air; the first heat generating component 201 and the second heat generating component 202 are both located on one side of the first cooling component 30 away from the fan assembly 50, so that the airflow formed by the fan assembly 50 can flow to the first heat generating component 201 and the second heat generating component 202 after passing through the first cooling component 30 to form cold air, so as to cool the first heat generating component 201 and the second heat generating component 202, further realize the heat dissipation of the first heat generating component 201 and the second heat generating component 202, and avoid the occurrence of failure due to overheating of the components in the operating process of the AGV cart.

In a specific implementation process, when the temperature of the first heat-generating component 201 detected by the temperature detecting device 62 is less than or equal to a first predetermined temperature, the cooling component 20 does not perform a cooling operation, and the airflow formed by the fan assembly 50 takes away at least part of heat of the first heat-generating component 201 and the second heat-generating component 202 when passing through the first heat-generating component 201 and the second heat-generating component 202, so as to realize heat dissipation of the first heat-generating component 201 and the second heat-generating component 202; moreover, since the temperature of the liquid in the second cooling part 40 is lower than the temperature of the second heat generating part 202, the liquid in the second cooling part 40 exchanges heat with the second heat generating part 202 to cool the second heat generating part 202; that is, the first heat generating part 201 performs heat dissipation by means of only the airflow generated by the fan assembly 50, and the second heat generating part 202 performs heat dissipation by means of the airflow generated by the fan assembly 50 and the liquid in the second cooling part 40.

When the temperature of the first heating component 201 detected by the first heating component 201 is greater than or equal to a second predetermined temperature, controlling the refrigerating component 20 to perform a refrigerating operation, that is, the refrigerating component 20 refrigerates the liquid flowing through the refrigerating component to reduce the temperature of the liquid flowing through the refrigerating component to form a condensate, and the condensate flowing out of the refrigerating component 20 sequentially flows through the first cooling component 30 and the second cooling component 40; the condensate in the first cooling part 30 cools the airflow passing through it, and the cooled airflow flows to the first and second

heat generating parts

201 and 202 to cool the first and second

heat generating parts

201 and 202; at the same time, the condensate flowing through the second cooling member 40 also cools the second heat generating member 202.

The cooling device 100 adopts a cooling method combining an air cooling method and a liquid cooling method, so that the problem of limited heat dissipation capability of the air cooling method in the prior art is solved, and the problem of limitation of pipeline structure arrangement of the liquid cooling method in the prior art is also solved. Therefore, the heat dissipation device 100 has a good heat dissipation effect, and the heat dissipation device 100 is applied to the laser-guided AGV so as to solve the problem that the heat dissipation effect of the laser-guided AGV in the prior art is poor.

Optionally, the first predetermined temperature is in a range of 10-20 ℃, and the first predetermined temperature is preferably 15 ℃; the second predetermined temperature is in the range of 50-60 deg.C, and preferably 55 deg.C.

It should be noted that, when the heat dissipation device 100 is applied to a laser-guided AGV, the internal ambient temperature of the car of the AGV can be effectively reduced, which is beneficial to improving the laser navigation precision.

Note that the "stop operation of the refrigeration unit 20" means stop operation or start operation of the refrigeration unit 20.

It should be noted that the liquid in the liquid supply loop can be recycled, so that resources are saved.

In the present embodiment, the heat sink 100 further includes a first power supply 61, and the temperature detection device 62, the first power supply 61 and the cooling part 20 are all disposed on a predetermined circuit; the temperature detection device 62 is connected to the first heat-generating component 201, so that the temperature detection device 62 controls the on/off of a predetermined electric circuit according to the temperature of the first heat-generating component 201. When the temperature of the first heating component 201 detected by the temperature detecting device 62 is less than or equal to the first predetermined temperature, the predetermined electric circuit is controlled to be in an off state, and at this time, the first power source 61 cannot supply power to the refrigeration component 20, so that the refrigeration component 20 stops working; when the temperature of the first heat-generating component 201 detected by the first heat-generating component 201 is greater than or equal to the second predetermined temperature, the predetermined electric circuit is controlled to be in a connected state, and at this time, the first power source 61 can supply power to the refrigeration component 20, so that the refrigeration component 20 starts to perform refrigeration operation.

In the present embodiment, the heat dissipation device 100 further includes a heat conduction member 63, and the heat conduction member 63 is connected to the temperature detection device 62 and the first heat generation member 201, so that the temperature detection device 62 senses the temperature of the first heat generation member 201 through the heat conduction member 63.

Specifically, the heat conduction member 63 is in the shape of a strip, and both ends of the heat conduction member 63 are connected to the temperature detection device 62 and the first heat generation member 201, respectively. Optionally, the length of the heat-conducting member 63 ranges from 8mm to 20mm, and the length of the heat-conducting member 63 is preferably 15 mm.

Specifically, the heat conductive member 63 is a silver material; the heat-conducting member 63 has a sheet shape.

For the specific structure of the first cooling member 30: as shown in fig. 6, the first cooling part 30 includes a first condensation section 31, a second condensation section 32, and a third condensation section 33, which are connected in sequence. One of the second condenser tube sections 32; alternatively, the second condensation section 32 is plural, and the plural second condensation sections 32 are sequentially arranged in the first predetermined direction.

Optionally, the first condenser section 31 is a straight section; the third condenser section 33 is a straight section; the tube axis of the first condensation section 31 and the tube axis of the third condensation section 33 are coincident.

Specifically, the second condensation tube section 32 comprises a first tube section 321, a second tube section 322 and a third tube section 323 which are connected in sequence, the first tube section 321 and the third tube section 323 are straight tube sections, and the tube axis of the first tube section 321 is parallel to the tube axis of the third tube section 323; the first pipe section 321 extends in a direction perpendicular to the first predetermined direction, i.e. the third pipe section 323 also extends in a direction perpendicular to the first predetermined direction.

Optionally, the second pipe section 322 is a straight pipe section or a bent pipe section; when the second tube section 322 is a bent tube section, the second tube section 322 is preferably a U-shaped tube section.

Specifically, when the number of the second condensation sections 32 is multiple, two adjacent second condensation sections 32 are connected by a connection section; that is, one end of the connecting pipe section is connected with the first pipe section 321 of one second condensation pipe section 32 of the adjacent two second condensation pipe sections 32, and the other end of the connecting pipe section is connected with the third pipe section 323 of the other second condensation pipe section 32 of the adjacent two second condensation pipe sections 32.

Optionally, the connecting pipe section is a straight pipe section, and when the second pipe section 322 is a straight pipe section, the pipe center line of the connecting pipe section is parallel to the pipe center line of the second pipe section 322. Preferably, the tube axis of the connecting tube segment coincides with the tube axis of the first condensation tube segment 31 and the tube axis of the third condensation tube segment 33.

Alternatively, the connecting tube section is a bent tube section, preferably a U-shaped tube section.

It should be noted that, when the number of the second condensation section 32 is plural, the first condensation section 321 of the second condensation section 32 close to the first condensation section 31 in the plural second condensation sections 32 is used for connecting with the first condensation section 31, and the third condensation section 323 of the plural second condensation sections 32 close to the third condensation section 33 is used for connecting with the third condensation section 33.

Specifically, the first cooling member 30 is a serpentine pipe; the first cooling member 30 is a copper pipe.

As shown in fig. 6 to 10, in order to fix the first cooling component 30, the heat dissipation device further includes a support plate group 70, the support plate group 70 has a receiving cavity 73, an air inlet 74 and an air outlet 75, the air inlet 74 and the air outlet 75 are both communicated with the receiving cavity 73, and the first cooling component 30 is disposed in the receiving cavity 73; the fan assembly 50 is disposed opposite to the air inlet 74, so that at least part of the airflow generated by the fan assembly 50 enters the accommodating cavity 73 through the air inlet 74 to exchange heat with the first cooling part 30; the air outlet 75 is disposed toward the first and/or second

heat generating components

201 and 202, so that the air cooled by the first cooling component 30 can flow toward the first and/or second heat generating components 201 and/or 202 after flowing out of the accommodating chamber 73 through the air outlet 75.

Specifically, when the first cooling part 30 includes the first condensation section 31, the second condensation section 32 and the third condensation section 33 which are connected in sequence, the accommodating chamber 73 includes the first cavity section 731, the second cavity section 732 and the third cavity section 733 which are connected in sequence, the first condensation section 31 is located in the first cavity section 731, the second condensation section 32 is located in the second cavity section 732, and the third condensation section 33 is located in the third cavity section 733; and when there are a plurality of second condensation sections 32, there are a plurality of second cavities 732, and the plurality of second condensation sections 32 are disposed in the plurality of second cavities 732 in a one-to-one correspondence.

When the plurality of second condensation sections 32 are connected by the connection section, the two adjacent second condensation sections 32 are connected by the connection cavity section, and each connection section is disposed in the corresponding connection cavity section, and the two adjacent second cavity sections 732 are connected by the connection cavity section.

Specifically, there are a plurality of air inlets 74 and air outlets 75, each second cavity section 732 is in communication with at least one air inlet 74, and each second cavity section 732 is in communication with at least one air outlet 75.

In the present embodiment, the support plate group 70 includes a first support plate 71 and a second support plate 72, and the first support plate 71 and the second support plate 72 are butted so that a receiving cavity 73 is defined between the first support plate 71 and the second support plate 72; the air inlet 74 is provided on the first support plate 71, and the air outlet 75 is provided on the second support plate 72.

Specifically, the first support plate 71 includes a first plate section 711, a third plate section 712, and a fifth plate section 713 that are connected in sequence, the second support plate 72 includes a second plate section 721, a fourth plate section 722, and a sixth plate section 723 that are connected in sequence, the first plate section 711 and the second plate section 721 enclose a first cavity section 731, the third plate section 712 and the fourth plate section 722 enclose at least one second cavity section 732 and/or at least one connection cavity section, and the fifth plate section 713 and the sixth plate section 723 enclose a third cavity section 733.

Alternatively, the first support plate 71 and the second support plate 72 are relatively fixed by fasteners 76 penetrating the first support plate 71 and the second support plate 72.

Optionally, the fan assembly 50 includes a plurality of fans 51, the plurality of fans 51 being arranged at intervals along the first predetermined direction.

In the present embodiment, the heat dissipation apparatus 100 further includes a filter assembly 81, the filter assembly 81 includes a plurality of filter members 810, the plurality of filter members 810 are disposed in one-to-one correspondence with the plurality of fans 51, that is, the plurality of filter members 810 are arranged at intervals along the first predetermined direction. Each filter element 810 is located upstream of the corresponding fan 51 in the flow direction of the airflow, so that the air filtered by each filter element 810 forms an airflow under the action of the corresponding fan 51, and the purpose of reducing impurities in the airflow is achieved. Optionally, each of the plurality of filter elements 810 is a filter screen.

In this embodiment, the body of the AGV includes an outer wall 205 and an inner wall 206, a sandwiched space 207 is provided between the outer wall 205 and the inner wall 206, and a plurality of fans 51 and a plurality of filters 810 are located in the sandwiched space 207.

It should be noted that fig. 4 is a left side view of the left side portion of fig. 1 taken from a-a; fig. 5 is a left side view of the left side portion of fig. 1 taken from B-B.

Specifically, the interlayer space 207 includes a plurality of mounting cavity sections 2071 arranged at intervals, and the plurality of fans 51 are disposed in the plurality of mounting cavity sections 2071 in a one-to-one correspondence; the plurality of mounting cavity segments 2071 and the plurality of filtering members 810 are rectangular, and the length of each mounting cavity segment 2071 is smaller than the length of the corresponding filtering member 810, wherein the length direction of each mounting cavity segment 2071 and the length direction of each filtering member 810 are parallel to the extension direction of the wall segment part of the corresponding vehicle exterior wall 205, so as to ensure that the air passing through each fan 51 passes through the corresponding filtering member 810 to be filtered.

Specifically, the inner wall 206 includes a plurality of inner wall sections 208, and the plurality of sets of fans 51 and filter members 810 are disposed in one-to-one correspondence with the plurality of inner wall sections 208; each inner wall section 208 includes a first wall section 2081 and a second wall section 2082, the first wall section 2081 and the second wall section 2082 being spaced apart; the body of the AGV trolley further comprises a plurality of groups of connecting wall sections, and the plurality of groups of connecting wall sections and the plurality of inner wall sections 208 are arranged in a one-to-one correspondence manner; each set of connecting wall sections includes two oppositely disposed connecting wall sections 209, the first ends of the two connecting wall sections 209 are connected with the first wall section 2081 and the second wall section 2082, respectively, and the second ends of the two connecting wall sections 209 are both spaced apart from the vehicle outer wall 205.

Optionally, the two connecting wall sections 209 of each group of connecting wall sections are parallel to each other, and the two connecting wall sections 209 of each group of connecting wall sections form a corresponding mounting cavity 2071 therebetween, and the distance between the two connecting wall sections 209 of each group of connecting wall sections is the length of the mounting cavity 2071.

Optionally, both connecting wall segments 209 of each set of connecting wall segment groups are perpendicular to the respective first and

second wall segments

2081, 2082, and both connecting wall segments 209 of each set of connecting wall segment groups are perpendicular to the corresponding wall segment portion of the vehicle exterior wall 205.

Each fan 51 is located between two connecting wall sections 209 of the corresponding connecting wall section group, and each filter 810 is located between the corresponding connecting wall section group and the exterior wall 205 of the vehicle and is connected to the second ends of the two connecting wall sections 209 of the corresponding connecting wall section group.

Optionally, the wall segment portion of the exterior wall 205 corresponding to each filter 810 is provided with an air inlet so that air outside the vehicle body enters the vehicle body through the corresponding air inlet and is filtered through the corresponding filter 810.

Alternatively, as shown in fig. 1, the second cooling member 40 includes a coil section 41, the second heat-generating member 202 has a columnar shape, and the coil section 41 is wound around the second heat-generating member 202 in the extending direction of the second heat-generating member 202. Specifically, the helical tube section 41 is a copper tube section.

Or, the second cooling part 40 includes a plurality of cooling pipe sections connected in sequence, and each cooling pipe section is annular; the second heat generating component 202 is columnar, and a plurality of cooling pipe sections are arranged on the second heat generating component 202 at intervals along the extending direction of the second heat generating component 202. Specifically, two adjacent cooling pipe sections are communicated through a communication pipe.

In this embodiment, the heat dissipation device 100 further includes a ventilation assembly 82, the ventilation assembly 82 is located downstream of the first and second

heat generating components

201 and 202 along the flowing direction of the airflow, the airflow passing through the first and second

heat generating components

201 and 202 absorbs heat of the first and second

heat generating components

201 and 202 to form hot air, and the formed hot air is discharged through the ventilation assembly 82.

Specifically, the ventilation assembly 82 includes a plurality of ventilation members 820, and the plurality of ventilation members 820 are arranged at intervals in the sandwiched space 207 to discharge hot air formed in the vehicle body to the outside of the vehicle body through the plurality of ventilation members 820. Optionally, each vent 820 is a vent net.

Specifically, the heat sink 100 further includes a ventilation part 83, the ventilation part 83 communicating with the cooling part 20 to discharge hot air generated by the cooling part 20; the ventilation part 83 is located in the sandwiched space 207 to discharge the hot air generated from the cooling part 20 to the outside of the vehicle body.

Optionally, the ventilation component 83 communicates with the refrigeration component 20 through a ventilation tube.

Alternatively, the ventilation member 83 is a ventilation fan.

In the present embodiment, as shown in fig. 2, the liquid supply assembly 10 includes a liquid supply tank 11 and a liquid supply pump 12, the liquid supply tank 11 is connected to the second cooling part 40, and the liquid supply pump 12 is connected to both the liquid supply tank 11 and the cooling part 20, so as to deliver at least part of the liquid in the liquid supply tank 11 to the cooling part 20 through the liquid supply pump 12. Alternatively, the fluid supply pump 12 is a miniature suction pump.

Specifically, a first filter 13 is disposed between the liquid supply tank 11 and the liquid supply pump 12, so that the liquid in the liquid supply tank 11 enters the liquid supply pump 12 after being filtered by the first filter 13.

Specifically, the second filter 14 is disposed between the liquid supply tank 11 and the second cooling member 40, so that the liquid flowing out of the second cooling member 40 is filtered by the second filter 14 and then flows back into the liquid supply tank 11.

Specifically, the liquid supply tank 11 is provided with a liquid filling port 110 for filling the liquid supply tank 11 with liquid through the liquid filling port 110.

Specifically, the liquid supply assembly 10 further includes a spray head 15, and the spray head 15 is connected to the liquid supply tank 11, so that the liquid in the liquid supply tank 11 flows out through the spray head 15. In particular, when the liquid in the liquid supply tank 11 needs to be changed or drained, the liquid in the liquid supply tank 11 can be drained through the head 15.

Specifically, a shut valve 16 is provided on a pipeline between the head 15 and the liquid supply tank 11 to control on/off between the head 15 and the liquid supply tank 11 through the shut valve 16.

The invention also provides an AGV comprising a vehicle body 203, a first heat-generating component 201, a second heat-generating component 202 and a heat sink 100, wherein the vehicle body 203 is internally provided with an installation space 204, and at least parts of the first heat-generating component 201, the second heat-generating component 202 and the heat sink 100 are arranged in the installation space 204.

Optionally, the first heat generating component 201 is a laser emitter and the second heat generating component 202 is a motor. Further, the second heat generating component 202 is a dc motor.

Specifically, as shown in fig. 3, the AGV cart further includes a second power source 90, and the second power source 90 is electrically connected to each of the plurality of fans 51, the liquid feed pump 12, the first heat generating component 201, and the second heat generating component 202 to supply power to the plurality of fans 51, the liquid feed pump 12, the first heat generating component 201, and the second heat generating component 202.

Alternatively, the power supply branches where the plurality of fans 51, the liquid supply pump 12, the first heat generating component 201, and the second heat generating component 202 are all connected in parallel.

Optionally, a switch 91 is disposed on a circuit electrically connected to the output terminal of the second power supply 90, so that the on/off of each power supply branch is controlled by the switch 91.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

in the heat dissipation device 100 for dissipating heat of the first and second heat generating components 201 and 202 in the AGV of the present invention, it includes a liquid supply assembly 10, a refrigeration component 20, a first cooling component 30 and a second cooling component 40 connected end to end in sequence to form a liquid supply loop; the heat dissipation device 100 further comprises a fan assembly 50 and a temperature detection device 62, wherein the fan assembly 50 is arranged opposite to the first cooling part 30, so that the airflow formed by the fan assembly 50 passes through the first cooling part 30, and the airflow formed by the fan assembly 50 is cooled by the first cooling part 30, and cold air is formed; the first heat generating component 201 and the second heat generating component 202 are both located on one side of the first cooling component 30 away from the fan assembly 50, so that the airflow formed by the fan assembly 50 can flow to the first heat generating component 201 and the second heat generating component 202 after passing through the first cooling component 30 to form cold air, so as to cool the first heat generating component 201 and the second heat generating component 202, further realize the heat dissipation of the first heat generating component 201 and the second heat generating component 202, and avoid the occurrence of failure due to overheating of the components in the operating process of the AGV cart.

The temperature detecting means 62 is used to detect the temperature of the first heat generating component 201 to control the stop of the cooling component 20 according to the temperature detected by the temperature detecting means 62. In a specific implementation process, when the temperature of the first heat-generating component 201 detected by the temperature detecting device 62 is less than or equal to a first predetermined temperature, the cooling component 20 does not perform a cooling operation, and the airflow formed by the fan assembly 50 takes away at least part of heat of the first heat-generating component 201 and the second heat-generating component 202 when passing through the first heat-generating component 201 and the second heat-generating component 202, so as to realize heat dissipation of the first heat-generating component 201 and the second heat-generating component 202; the second cooling member 40 is used to contact with the second heat generating component 202, and since the temperature of the liquid in the second cooling member 40 is lower than that of the second heat generating component 202, the liquid in the second cooling member 40 exchanges heat with the second heat generating component 202 to cool the second heat generating component 202; that is, the first heat generating part 201 performs heat dissipation by means of only the airflow generated by the fan assembly 50, and the second heat generating part 202 performs heat dissipation by means of the airflow generated by the fan assembly 50 and the liquid in the second cooling part 40.

heat generating parts

201 and 202 to cool the first and second

heat generating parts

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat dissipation device is used for dissipating heat of a first heat generation component (201) and a second heat generation component (202) in an AGV trolley, and is characterized by comprising a liquid supply assembly (10), a refrigeration component (20), a first cooling component (30) and a second cooling component (40) which are sequentially connected end to form a liquid supply loop; the heat dissipating device further includes:

a fan assembly (50), the fan assembly (50) being disposed opposite the first cooling member (30) such that an air flow formed by the fan assembly (50) passes through the first cooling member (30);

temperature detection means (62), said temperature detection means (62) being for detecting the temperature of said first heat-generating component (201) to control the deactivation of said cooling component (20) according to the temperature detected by said temperature detection means (62);

wherein the second cooling component (40) is for contacting the second heat generating component (202); the first heat generating component (201) and the second heat generating component (202) are both located on a side of the first cooling component (30) facing away from the fan assembly (50).

2. The heat dissipating device of claim 1, further comprising:

a first power supply (61), the temperature detection device (62), the first power supply (61), and the refrigeration component (20) being disposed on a predetermined electrical circuit; the temperature detection device (62) is connected with the first heating component (201) so that the temperature detection device (62) controls the on-off of the preset electric loop according to the temperature of the first heating component (201); and/or

A heat conduction member (63), wherein the heat conduction member (63) is strip-shaped, and two ends of the heat conduction member (63) are respectively connected with the temperature detection device (62) and the first heat generation component (201), so that the temperature detection device (62) can sense the temperature of the first heat generation component (201) through the heat conduction member (63).

3. The heat dissipating device according to claim 1, wherein the first cooling part (30) comprises a first condensation section (31), a second condensation section (32) and a third condensation section (33) connected in series; the number of the second condensation pipe sections (32) is one, or the number of the second condensation pipe sections (32) is multiple, and the multiple second condensation pipe sections (32) are sequentially arranged along a first preset direction.

4. The heat dissipating device of claim 3,

the second condensation pipe section (32) comprises a first pipe section (321), a second pipe section (322) and a third pipe section (323) which are sequentially connected, the first pipe section (321) and the third pipe section (323) are straight pipe sections, and the pipe axis of the first pipe section (321) is parallel to the pipe axis of the third pipe section (323); the first pipe section (321) extends in a direction perpendicular to the first predetermined direction; and/or

When the number of the second condensation pipe sections (32) is multiple, two adjacent second condensation pipe sections (32) are connected through a connecting pipe section; and/or

The first condensation pipe section (31) is a straight pipe section; and/or

The third condensation pipe section (33) is a straight pipe section.

5. The heat sink according to any one of claims 1 to 4, further comprising a support plate group (70), the support plate group (70) having a housing cavity (73), an air inlet (74) and an air outlet (75), the air inlet (74) and the air outlet (75) both communicating with the housing cavity (73), the first cooling part (30) being disposed within the housing cavity (73); the fan assembly (50) is disposed opposite the air inlet (74), and the air outlet (75) is disposed toward the first heat generating component (201) and/or the second heat generating component (202).

6. The heat sink as recited in claim 5, wherein the set of support plates (70) comprises:

a first support plate (71) and a second support plate (72), wherein the first support plate (71) and the second support plate (72) are butted, so that the first support plate (71) and the second support plate (72) enclose the accommodating cavity (73); the air inlet (74) is provided on the first support plate (71), and the air outlet (75) is provided on the second support plate (72).

7. A heat sink according to claim 5, wherein when the first cooling part (30) comprises a first condensation section (31), a second condensation section (32) and a third condensation section (33) connected in sequence, the receiving chamber (73) comprises a first cavity section (731), a second cavity section (732) and a third cavity section (733) connected in sequence, the first condensation section (31) is located in the first cavity section (731), the second condensation section (32) is located in the second cavity section (732), and the third condensation section (33) is located in the third cavity section (733);

when the number of the second condensation pipe sections (32) is multiple, the number of the second cavity sections (732) is multiple, and the second condensation pipe sections (32) are arranged in the second cavity sections (732) in a one-to-one correspondence manner.

8. The heat sink according to claim 7, wherein the air inlet (74) and the air outlet (75) are each plural, and each of the second cavity sections (732) communicates with at least one of the air inlets (74), and each of the second cavity sections (732) communicates with at least one of the air outlets (75).

9. The heat dissipating device of claim 1, wherein the fan assembly (50) comprises a plurality of fans (51), the plurality of fans (51) being arranged at intervals in a first predetermined direction; the heat dissipating device further includes:

a filter assembly (81), the filter assembly (81) comprising a plurality of filter elements (810), the plurality of filter elements (810) being arranged in one-to-one correspondence with the plurality of fans (51); each filter element (810) is located upstream of the corresponding fan (51) in the flow direction of the air flow.

10. The heat sink according to claim 9, wherein the AGV cart body includes an outer wall (205) and an inner wall (206), the outer wall (205) and the inner wall (206) having a plenum space (207) therebetween, the plurality of fans (51) and the plurality of filters (810) each being located within the plenum space (207).

11. The heat dissipating device as claimed in claim 10, wherein the interlayer space (207) comprises a plurality of mounting cavity segments (2071) arranged at intervals, the plurality of fans (51) being disposed in the plurality of mounting cavity segments (2071) in one-to-one correspondence; -the plurality of installation cavity segments (2071) and the plurality of filter elements (810) are rectangular, the length of each installation cavity segment (2071) being less than the length of the respective filter element (810); wherein the length direction of each mounting cavity section (2071) and the length direction of each filter member (810) are parallel to the extension direction of the corresponding wall section part of the vehicle outer wall (205).

12. The heat dissipating device of claim 1, wherein the second heat generating component (202) is cylindrical,

the second cooling part (40) comprises a coil section (41), the coil section (41) being wound around the second heat-generating part (202) in the extending direction of the second heat-generating part (202); or

The second cooling part (40) comprises a plurality of cooling pipe sections which are sequentially connected, and each cooling pipe section is annular; along the extending direction of the second heat generating component (202), a plurality of cooling pipe sections are sleeved on the second heat generating component (202) in a spacing mode.

13. The heat sink of claim 1, wherein the AGV cart body includes an outer wall (205) and an inner wall (206), the outer wall (205) and the inner wall (206) having a plenum (207) therebetween, the heat sink further comprising:

a ventilation assembly (82), the ventilation assembly (82) being located downstream of the first and second heat generating components (201, 202) in a flow direction of the airflow; the ventilation assembly (82) comprises a plurality of ventilation pieces (820), and the plurality of ventilation pieces (820) are arranged in the interlayer space (207) at intervals; and/or

A ventilation part (83), the ventilation part (83) communicating with the refrigeration part (20) to discharge hot gas generated by the refrigeration part (20); the ventilation member (83) is located in the interlayer space (207).

14. An AGV car, includes automobile body (203), first heat-generating component (201), second heat-generating component (202) and heat abstractor (100), first heat-generating component (201) is the laser emitter, second heat-generating component (202) is the motor, its characterized in that, automobile body (203) inside has installation space (204), first heat-generating component (201), second heat-generating component (202) and at least part of heat abstractor (100) all set up in installation space (204), heat abstractor (100) is the heat abstractor of any one of claims 1 to 13.