Trolley for refrigeration house
By designing a combined structure of the flow diversion module and the heating module in the AGV car, the short circuit problem caused by condensation in the cold storage environment of the AGV car is solved, ensuring that the car works normally between different temperature environments.
Patent Information
- Application Number
- CN202420439166.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-06
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-03-06
AI Technical Summary
When AGV cars frequently enter and exit in cold storage environments, they are prone to short-circuiting the internal circuit due to condensation of condensation, affecting their normal operation.
A small car for cold storage is designed, using a combined structure of a housing, a cover, a controller, a sensing module, a flow diversion module and a heating module. Among them, the flow guide module is located below the gap between the housing and the cover plate for collecting condensate water and discharged; the heating module includes a first heating unit and a second heating unit, respectively, for heating the sensing module and the controller, keeping it within the operating temperature range.
It effectively avoids short circuits caused by condensation water entering the controller, ensuring that the car can work normally when it frequently moves between the cold storage and the room temperature environment. At the same time, the temperature difference is reduced through the heating module to alleviate or eliminate the fogging problem of the sensing module.
Smart Images
Figure CN222849578U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transport trolleys, in particular to a trolley used in a cold storage. Background Art
[0002] In the existing warehousing systems, AGV carts are usually equipped for "goods to person" picking operations, which effectively improves warehouse operation efficiency, reduces labor costs, and reduces operational errors and accident rates; on the production line, AGV carts provide a fast and efficient way for the flexible operation and accurate control of the warehousing system, and are becoming more and more widely used in warehousing systems.
[0003] However, when the AGV is used in a cold storage environment, the AGV needs to frequently enter and exit the cold storage. Due to the temperature difference between the inside and outside of the cold storage, when the AGV moves from the cold storage to the external normal temperature environment, condensation water is easy to condense on the surface of the AGV. The condensation water can easily penetrate into the interior of the AGV and cause a short circuit in the internal circuit of the AGV, affecting the normal operation of the AGV. Utility Model Content
[0004] Based on this, in order to solve the problem that the existing AGV trolley is prone to generate condensed water and cause short circuit when it is used in the cold storage environment, the utility model provides a trolley for cold storage, and its specific technical solution is as follows:
[0005] A trolley for cold storage, comprising a housing, a cover plate, a controller, a sensor module, a flow guide module and a heating module;
[0006] The interior of the shell is hollow to form a cavity with an open top, and the cover plate covers the top of the shell to close the cavity; the controller is arranged in the cavity, and the sensor module is arranged on the periphery of the shell; the controller and the sensor module are electrically connected; the diversion module is arranged in the cavity, and the diversion module is located below the gap between the shell and the cover plate, and the water outlet end of the diversion module extends out of the bottom of the shell; the heating module also includes a first heating unit and a second heating unit; the first heating unit is arranged on the periphery of the sensor module, and the second heating unit is arranged in the cavity.
[0007] Preferably, the outer surface of the shell and the outer surface of the cover plate are respectively provided with a heat insulation layer.
[0008] Preferably, the housing is provided with a groove; the sensing module and the first heating unit are both arranged in the groove.
[0009] Preferably, the sensing module is configured as a laser sensor.
[0010] Preferably, the guide module includes a guide plate and a guide tube; the guide plate is a disc-shaped structure with a hollow interior, the guide plate is located below the gap between the shell and the cover plate, one end of the guide tube is connected to the bottom of the guide plate, and the other end of the guide tube extends out of the shell through the shell.
[0011] Preferably, the bottom surface of the guide plate is inclined, and the guide pipe is connected to the lowest point of the bottom surface of the guide plate.
[0012] Preferably, the first heating unit and the second heating unit are both electric heating elements.
[0013] Preferably, the thermal insulation layer is made of rubber-plastic thermal insulation material.
[0014] One embodiment of the present invention has the following effects:
[0015] 1. By arranging the first heating unit on the periphery of the sensor module, the sensor module can be heated so that the sensor module can be kept within its operating temperature range in the cold storage, thereby preventing the sensor module from being unable to work normally due to too low a temperature, and reducing the temperature difference between the sensor module 40 and the normal temperature environment when the trolley moves from the cold storage to the normal temperature environment, thereby alleviating or even completely eliminating the problem of fogging of the sensor module 40;
[0016] 2. The second heating unit is arranged in the cavity, which can heat the cavity and the controller arranged in the cavity, so that the temperature of the cavity is kept within the operating temperature range of the controller, and can avoid condensation of the controller due to the temperature difference when the trolley moves from the cold storage to the normal temperature environment, thereby preventing the controller from short-circuiting;
[0017] 3. By setting the guide module below the gap between the shell and the cover plate, the condensed water entering the cavity can be collected in the guide module and discharged to the outside of the shell from the water outlet of the guide module, so as to prevent the condensed water from entering the controller 30 and causing a short circuit. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The present invention can be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily drawn to scale, but the emphasis is placed on illustrating the principles of the embodiments. In different views, the same reference numerals designate corresponding parts.
[0019] Figure 1 This is a structural schematic diagram of a trolley for cold storage according to an embodiment of the utility model;
[0020] Figure 2 yes Figure 1 A partial enlarged view of the middle A;
[0021] Figure 3 It is a cross-sectional schematic diagram of a trolley for cold storage according to an embodiment of the utility model;
[0022] Figure 4 yes Figure 3 A partial enlarged view of B.
[0023] Description of reference numerals:
[0024] 10 - shell; 11 - cavity; 12 - groove; 20 - cover plate; 30 - controller; 40 - sensor module; 50 - flow guide module; 51 - flow guide plate; 52 - flow guide pipe; 60 - insulation layer; 71 - first heating unit; 72 - second heating unit. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with its embodiments. It should be understood that the specific implementation methods described here are only used to explain the utility model and do not limit the protection scope of the utility model.
[0026] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.
[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0028] The “first” and “second” mentioned in the present invention do not represent specific quantities and orders, but are merely used to distinguish names.
[0029] like Figures 1 to 4 As shown, a trolley for cold storage in one embodiment of the utility model includes a housing 10, a cover plate 20, a controller 30, a sensor module 40, a flow guide module 50 and a heating module;
[0030] The interior of the shell 10 is hollow to form a cavity 11 with an open top, and the cover plate 20 covers the top of the shell 10 to close the cavity 11; the controller 30 is arranged in the cavity 11, and the sensor module 40 is arranged on the periphery of the shell 10; the controller 30 and the sensor module 40 are electrically connected; the diversion module 50 is arranged in the cavity 11, and the diversion module 50 is located below the gap between the shell 10 and the cover plate 20, and the water outlet end of the diversion module 50 extends out of the bottom of the shell 10; the heating module also includes a first heating unit 71 and a second heating unit 72;
[0031] The first heating unit 71 is disposed on the periphery of the sensor module 40 , and the second heating unit 72 is disposed in the cavity 11 .
[0032] By arranging the first heating unit 71 at the periphery of the sensor module 40, the sensor module 40 can be heated, so that the sensor module 40 can be kept within its operating temperature range in the cold storage, and the sensor module 40 can be prevented from not being able to work normally due to too low a temperature. In addition, since the trolley needs to frequently enter and exit the cold storage, when the trolley moves from the cold storage to a normal temperature environment, the normal temperature air contacts the cold sensor module 40. Due to the influence of the temperature difference, the normal temperature air will condense into a layer of water mist on the surface of the sensor module 40, thereby affecting the detection accuracy of the sensor module 40, and even causing the sensor module 40 to not be able to work normally. Therefore, when the sensor module 40 After the first heating unit 71 is arranged on the periphery of the housing 11, the sensor module 40 can be heated to reduce the temperature difference between the sensor module 40 and the normal temperature environment when the trolley is moved from the cold storage to the normal temperature environment, thereby alleviating or even completely eliminating the problem of fogging of the sensor module 40; similarly, the second heating unit 72 is arranged in the cavity 11, and can heat the cavity 11 and the controller 30 arranged in the cavity, so that the temperature of the cavity 11 is maintained within the operating temperature range of the controller 30, and can avoid condensation of the controller 30 due to the temperature difference when the trolley is moved from the cold storage to the normal temperature environment, thereby preventing the controller 30 from short-circuiting. In order to reduce energy consumption, the utility model does not set a heating element on the outer wall of the shell 10. Therefore, when the trolley moves from the cold storage to the normal temperature environment, condensed water will inevitably appear on the outer wall of the shell 10. During the movement of the trolley, the condensed water on the top surface of the shell 10 will flow into the cavity 11 from the gap between the shell 10 and the cover plate 20 under the action of inertia. Since a guide module 50 is set below the gap between the shell 10 and the cover plate 20, the condensed water entering the cavity 11 will be collected in the guide module 50 and discharged from the water outlet of the guide module 50 to the outside of the shell 10, thereby preventing the condensed water from entering the controller 30 and causing a short circuit.
[0033] Furthermore, the outer surface of the shell 10 and the outer surface of the cover plate 20 are respectively provided with a heat insulation layer 60 .
[0034] Since the interior of the cavity 11 is heated by the second heating unit 72 to make the temperature of the cavity 11, however, the temperature in the cold storage is relatively low, the temperature in the cavity 11 will be quickly dissipated in the air of the cold storage through heat exchange, resulting in a large heating load of the second heating unit 72 and consumption of a large amount of electrical energy. The utility model can play a role in heat preservation by providing an insulation layer 60 to prevent the heat in the cavity 11 from being dissipated too quickly, thereby saving energy consumption and improving the endurance of the vehicle.
[0035] Furthermore, the housing 10 is provided with a groove 12 ; the sensor module 40 and the first heating unit 71 are both disposed in the groove 12 .
[0036] By arranging the sensor module 40 and the first heating unit 71 in the groove 12 , damage to the sensor module 40 and the first heating unit 71 due to collision can be effectively avoided.
[0037] Furthermore, it is characterized in that the sensor module 40 is configured as a laser sensor.
[0038] When the laser sensor is working, the laser emitting diode first aims at the target and emits laser pulses. After being reflected by the target, the laser is scattered in all directions, and part of the scattered light will return to the sensor receiver. By recording and processing the time from the light pulse being sent to the return being received, the target distance can be measured. The use of laser sensors has the advantages of non-contact long-distance measurement, fast speed, high accuracy, large range, strong resistance to light and electrical interference, etc., and can quickly and accurately identify obstacles and identify the current location.
[0039] Furthermore, the guide module 50 includes a guide plate 51 and a guide pipe 52; the guide plate 51 is a disc-shaped structure with a hollow interior, the guide plate 51 is located below the gap between the shell 10 and the cover plate 20, one end of the guide pipe 52 is connected to the bottom of the guide plate 51, and the other end of the guide pipe 52 extends out of the shell 10 through the shell 10.
[0040] When the trolley frequently enters and exits the cold storage, condensed water will inevitably appear on the surface of the shell 10 and the surface of the cover plate 20. By setting the guide plate 51 into a disc shape and setting it under the gap between the shell 10 and the cover plate 20, the guide plate 51 can receive the condensed water flowing into the cavity 11 from the gap between the shell 10 and the cover plate 20, and the condensed water can be discharged to the outside of the shell 10 through the guide pipe 52.
[0041] Furthermore, the bottom surface of the guide plate 51 is inclined, and the guide pipe 52 is connected to the lowest point of the bottom surface of the guide plate 51 .
[0042] This arrangement allows all condensed water received in the guide plate 51 to flow to the lowest point of the guide plate 51 under the action of gravity, and be discharged from the guide pipe 52 to the outside of the shell 10, thereby avoiding water accumulation in the guide plate 51.
[0043] Furthermore, the first heating unit 71 and the second heating unit 72 are both electric heating elements, such as a silicone rubber heating plate, a carbon fiber electric heating plate, etc., or other electric heating devices.
[0044] Among them, the silicone rubber heating plate is mainly composed of nickel-chromium alloy heating wire and silicone rubber high-temperature insulating cloth, and has the characteristics of good waterproof performance, fast heating, uniform temperature, high thermal efficiency and good toughness. The silicone rubber heating plate can be made into various shapes and patterns according to the actual size. The shape of the silicone rubber heating plate is changed to match the complex structure in the shell 10, so that the heating is more uniform.
[0045] Furthermore, the thermal insulation layer 60 is made of rubber-plastic thermal insulation material.
[0046] Rubber-plastic insulation material is an elastic closed-cell foam material with the advantages of low thermal conductivity, fire retardancy, moisture resistance, vibration reduction and noise reduction, environmental protection and health, long service life, elegant appearance and easy installation. It can reduce cold loss and heat loss, effectively ensure the heating effect of the heating module, thereby ensuring that the trolley used in the cold storage can operate normally for a long time in a low temperature environment.
[0047] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0048] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. A trolley for cold storage, characterized in that: It includes a shell, a cover plate, a controller, a sensor module, a flow guide module and a heating module; The interior of the shell is hollow to form a cavity with an open top, and the cover plate covers the top of the shell to close the cavity; the controller is arranged in the cavity, and the sensor module is arranged on the periphery of the shell; the controller and the sensor module are electrically connected; the diversion module is arranged in the cavity, and the diversion module is located below the gap between the shell and the cover plate, and the water outlet end of the diversion module extends out of the bottom of the shell; the heating module also includes a first heating unit and a second heating unit; the first heating unit is arranged on the periphery of the sensor module, and the second heating unit is arranged in the cavity.
2. A trolley for cold storage according to claim 1, characterized in that: The outer surface of the shell and the outer surface of the cover plate are respectively provided with a heat insulation layer.
3. A trolley for cold storage according to claim 1, characterized in that: The housing is provided with a groove; the sensing module and the first heating unit are both arranged in the groove.
4. A trolley for cold storage according to claim 1, characterized in that: The sensor module is configured as a laser sensor.
5. A trolley for cold storage according to claim 1, characterized in that: The guide module includes a guide plate and a guide pipe; the guide plate is a disc-shaped structure with a hollow interior, the guide plate is located below the gap between the shell and the cover plate, one end of the guide pipe is connected to the bottom of the guide plate, and the other end of the guide pipe extends out of the shell through the shell.
6. A trolley for cold storage according to claim 5, characterized in that: The bottom surface of the guide plate is inclined, and the guide pipe is connected to the lowest point of the bottom surface of the guide plate.
7. A trolley for cold storage according to claim 1, characterized in that: The first heating unit and the second heating unit are both electric heating elements.
8. A trolley for cold storage according to claim 2, characterized in that: The heat-insulating layer is made of rubber-plastic heat-insulating material.