CN212227503U - Delivery tank with temperature control device - Google Patents
Delivery tank with temperature control device Download PDFInfo
- Publication number
- CN212227503U CN212227503U CN202020786271.5U CN202020786271U CN212227503U CN 212227503 U CN212227503 U CN 212227503U CN 202020786271 U CN202020786271 U CN 202020786271U CN 212227503 U CN212227503 U CN 212227503U
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- Prior art keywords
- temperature control
- module
- refrigeration
- control device
- heat
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- Expired - Fee Related
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- 238000005057 refrigeration Methods 0.000 claims abstract description 56
- 230000017525 heat dissipation Effects 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 2
- 230000004308 accommodation Effects 0.000 abstract description 2
- 235000013305 food Nutrition 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 238000001816 cooling Methods 0.000 description 8
- 238000009413 insulation Methods 0.000 description 6
- 230000003137 locomotive effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 235000019640 taste Nutrition 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 235000021152 breakfast Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 235000013410 fast food Nutrition 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
A tote having a temperature control device, comprising: the vehicle carrier is characterized by comprising a box body, a vehicle body and a vehicle body, wherein one side of the box body is provided with an object taking opening, and the interior of the box body is provided with an open accommodating space; the box cover is pivoted on the box body and is provided with at least one air outlet opening and at least one suction opening in a penetrating way; the temperature control device is correspondingly connected with the air outlet opening and the suction opening, a refrigeration module, at least one heat dissipation structure, a power supply module, at least one fan unit and a temperature control module are arranged in the temperature control device, the refrigeration module is connected with the heat dissipation structure in an assembling mode and is electrically connected with the temperature control module, and the temperature control module is electrically connected with the power supply module and the fan unit. Therefore, the utility model discloses the accommodation space at the box and a set of space that connects inside this temperature control device constitute have a heat exchange circulation space, and this refrigeration module of temperature control module control to make the air in this heat exchange circulation space form a heating air cycle or refrigeration air cycle.
Description
Technical Field
The present invention relates to a storage box, and more particularly to a storage box with a temperature control device.
Background
With the advent of the internet age, people have become more and more receptive and accustomed to internet shopping and ordering of food in recent years, and delivery home delivery service personnel have been transported by locomotives to transport small goods in addition to transporting goods by automobiles to reduce the cost of transportation based on the convenience and prevalence of mobile internet ordering. Therefore, the locomotive transportation mode is adopted in the urban area to adapt to narrow roadway and congested traffic in the urban area, and in order to intensively place the transported articles and avoid rain, an outward delivery box is arranged at the rear part of the locomotive to accommodate the transported articles, so that the short-distance distribution of distribution personnel in the urban area is facilitated.
In addition, in order to increase performance and maintain competitiveness, some catering staff rising up to online outsourcing and ordering, such as restaurants, fast food restaurants, breakfast, and the like, besides adjustment on samples and tastes, how to promote customers except for store customers is an area which is robbed by many catering staff.
Therefore, delivery has become one of the easiest ways to extend the range of business, but how to maintain the temperature of food is one of the issues that must be considered in delivery, so that the current owners will add a delivery box at the rear of the motorcycle, and use the effect of the delivery box to maintain or even extend the temperature of food, so as to ensure that the temperature just made is maintained after delivery to the customers, and the consumers can enjoy the most delicious food.
However, in the existing delivery box structure, a rectangular box body is integrally formed by injection molding of a plastic material, and an opening of the rectangular box body is covered by a box cover, so that the delivery box forms a closed box body; however, the heat preservation is carried out only through the internal space of the delivery box body, and the effect is limited; therefore, the catering industry still needs to put food in the delivery box through a thermal insulation bag or a bag.
More specifically, although the food can be kept warm better, when the food is taken out, the food needs to be taken out from the thermal insulation bag or the bag, so that an action is added, and the delivery procedure of the delivery personnel is increased, and the delivery conversion rate is reduced.
It should be further noted that, the general delivery box, thermal bag or bag only provides an insulation effect, but still cannot provide a long-time refrigeration or heating insulation effect for the contents, so that the preservation effect and the preservation time are still very limited, and if the delivery process is in an emergency and the delivery time is too long, the contents are easy to decay, which causes a risk of eating.
Therefore, the applicant has observed the above-mentioned deficiency and has conducted the creation of the present invention.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a delivery storage box with temperature control equipment mainly is the delivery box that provides long-time cold-proof and cold insulation effect, keeps refrigerating or heating through temperature control device, can ensure the fresh-keeping quality of deposit for a long time to reach the purpose of saying to this delivery food storage box and make thermostatic control.
In order to achieve the above object, the utility model provides an outsourcing storage box with temperature control equipment includes: the vehicle load-taking device comprises a box body, a vehicle load-taking device and a vehicle control system, wherein one side of the box body is provided with a load-taking opening, the box body is provided with an open accommodating space, the accommodating space is communicated with the load-taking opening, and the box body is arranged on a vehicle carrier; the box cover is pivoted on the box body in a state of correspondingly covering the object taking opening, and at least one air outlet opening and at least one suction opening are arranged in the box cover in a penetrating way; and the temperature control device is correspondingly connected with the air outlet opening and the suction opening, a refrigeration module, at least one heat dissipation structure, a power supply module, at least one fan unit and a temperature control module are arranged in the temperature control device, the refrigeration module is connected with the heat dissipation structure in an assembling mode and is electrically connected with the temperature control module, and the temperature control module is electrically connected with the power supply module and the fan unit. The temperature control device comprises a box body, a temperature control device and a heat exchange module, wherein the accommodating space of the box body and a group of connecting spaces inside the temperature control device form a heat exchange circulating space, the refrigeration module is provided with a plurality of refrigeration chips, the temperature control module controls the heat energy conversion between two side faces of the refrigeration chips, and air in the heat exchange circulating space forms a heating air circulation or a refrigeration air circulation.
Preferably, the temperature control device includes two hollow connection portions and a set of connection space, the connection portions are connected to the set of connection space, the two connection portions are respectively connected to the air outlet opening and the suction opening, and the fan unit is disposed at the suction opening.
Preferably, the temperature control device includes a hollow connecting member and a hollow heat dissipating member, the connecting member is in an inverted U shape, two ends of the connecting member are respectively provided with the two connecting portions, the heat dissipating member is assembled on one side of the connecting member, the refrigeration module is arranged between the heat dissipating member and the connecting member, and two sides of the refrigeration module are respectively provided with a heat dissipating structure.
Preferably, a plurality of ventilation openings are formed in the outer side of the heat dissipation member in a penetrating manner, and the heat dissipation structure is a plurality of heat dissipation fins.
Preferably, the plurality of heat dissipation fins located in the heat dissipation member and the plurality of heat dissipation fins located in the connector are perpendicular to each other in the arrangement direction, the arrangement direction of the plurality of heat dissipation fins located in the connector is the same as the arrangement direction of the connector, and the plurality of heat dissipation fins separate a plurality of air flow channels in the space of the connector.
Preferably, at least one fan unit is further disposed outside the heat sink, and the fan unit is electrically connected to the temperature control module.
Preferably, the temperature control module includes at least one processing unit, at least one hot/cold switch, and at least one temperature control switch, and the processing unit is electrically connected to the hot/cold switch and the temperature control switch.
Preferably, the power module is electrically connected to a power supply system inside the vehicle.
Preferably, the power module includes at least one battery unit.
Preferably, the plurality of refrigeration chips are evenly distributed and assembled between the heat sink and the connector, the plurality of refrigeration chips are coupled with each other, the plurality of refrigeration chips are coupled with the temperature control module, the temperature control module controls the amount and direction of current of the refrigeration chips and controls the heat energy conversion between two side surfaces of the refrigeration chips, the plurality of refrigeration chips make the temperature change in the heat exchange circulation space, the temperature control module further comprises at least one temperature sensing unit and at least one display unit, and the processing unit is electrically connected with the temperature sensing unit and the display unit.
The delivery storage box with the temperature control device provided by the embodiment of the utility model is mainly arranged outside the box body through the temperature control device, and the accommodating space of the box body and a group of connecting space inside the temperature control device form a heat exchange circulation space, and the temperature control module controls the heat energy transformation between the two side surfaces of the refrigeration chips, and the air in the heat exchange circulation space forms a heating air circulation or a refrigeration air circulation; therefore, the embodiment of the utility model provides a through the setting and the function of these refrigeration chips, can reduce or promote the temperature to the air in the box fast, have the utility that the cold and hot double-purpose conversion adjusted the temperature.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic view of a connection block of the device according to the first embodiment of the present invention.
Fig. 3 is an exploded perspective view of the first embodiment of the present invention.
Fig. 4 is a perspective view showing a structure of a case according to the first embodiment of the present invention.
Fig. 5 is a front side view of the temperature control device according to the first embodiment of the present invention.
Fig. 6 is a rear side view of the temperature control device according to the first embodiment of the present invention.
Fig. 7 is a schematic diagram illustrating the operation of the first embodiment of the present invention.
Fig. 8 is a schematic view illustrating a vehicle mounted on a vehicle according to a first embodiment of the present invention.
Fig. 9 is a front side view showing a temperature control device according to a second embodiment of the present invention.
Description of reference numerals:
100-delivery storage box with temperature control equipment, 10-box body, 11-fetching opening, 12-containing space, 20-box cover, 21-air outlet opening, 22-suction opening, 23-supporting rod, 30-temperature control device, 301-connecting part, 302-assembling space, 31-refrigeration module, 311-refrigeration chip, 32-heat dissipation structure, 321-heat dissipation fin, 322-air flow channel, 33-power module, 34-fan unit, 35-temperature control module, 351-processing unit, 352-cold-hot switch, 353-temperature control switch, 354-temperature sensing unit, 355-display unit, 36-connecting piece, 37-heat dissipation piece, 371-ventilation opening, 200-vehicle carrier, a-heat exchange circulation space.
Detailed Description
Referring to fig. 1 and 2, and fig. 3 and 4, which are a perspective view, a block diagram and an exploded perspective view of a first embodiment of the present invention, a tote 100 with a temperature control device is disclosed, the tote 100 with a temperature control device is installed on a vehicle carrier 200, and includes:
a box 10 having an access opening 11 at one side thereof, the box 10 having an open accommodating space 12, the accommodating space 12 being communicated with the access opening 11, the box 10 being mounted on a vehicle carrier 200.
A cover 20 pivotally mounted on the box 10 in a state of covering the access opening 11, and the cover 20 is provided with at least one air outlet opening 21 and at least one suction opening 22; in this embodiment, the cover 20 and one side of the box 10 are pivotally connected to each other, and two hydraulic support rods 23 are disposed between the cover 20 and the box 10, and these support rods 23 are used for supporting the cover 20 when it is opened.
A temperature control device 30 correspondingly connected to the air outlet opening 21 and the suction opening 22, wherein a refrigeration module 31, at least one heat dissipation structure 32, a power module 33, at least one fan unit 34 and a temperature control module 35 are disposed in the temperature control device 30, the refrigeration module 31 is connected to the heat dissipation structure 32 and electrically connected to the temperature control module 35, and the temperature control module 35 is electrically connected to the power module 33 and the fan unit 34; in addition, the refrigeration module 31 has a plurality of refrigeration chips 311, and the temperature control module 35 includes at least one processing unit 351, at least one hot/cold switch 352, and at least one temperature control switch 353, wherein the processing unit 351 is electrically connected to the hot/cold switch 352 and the temperature control switch 353.
In the present embodiment, as shown in fig. 2 and 3, the temperature control device 30 includes two hollow connection portions 301 and a set of connection spaces 302, the two connection portions 301 are communicated with the set of connection spaces 302, the two connection portions 301 are respectively connected to the air outlet opening 21 and the suction opening 22, and the fan unit 34 is disposed at the suction opening 22; temperature control device 30 contains one and is the connecting piece 36 of cavity form and one and is the heat dissipation piece 37 of cavity form, connecting piece 36 is the shape of falling the U, heat dissipation piece 37 is the rectangle form, the both ends of connecting piece 36 are two respectively connecting portion 301, again, one side montage of connecting piece 36 has heat dissipation piece 37, heat dissipation piece 37 with be equipped with between connecting piece 36 refrigeration module 31, and refrigeration module 31 both sides are equipped with a heat radiation structure 32 respectively.
As shown in fig. 3 and 5, a plurality of ventilation openings 371 pass through the outer side of the heat dissipation member 37, the heat dissipation structure 32 is a plurality of heat dissipation fins 321, the heat dissipation fins 321 located in the heat dissipation member 37 are perpendicular to the heat dissipation fins 321 located in the connector 36, the heat dissipation fins 321 located in the connector 36 are arranged in the same direction as the connector 36, and the heat dissipation fins 321 separate a plurality of air flow channels 322 in the space of the connector 36.
As shown in fig. 2 and 3, a plurality of fan units 34 are further disposed outside the heat sink 37, the fan units 34 are electrically connected to the temperature control module 35, and one of the fan units 34 is disposed at the suction opening 22.
It should be further noted that the power module 33 has two power supply modes, one of which is electrically connected to a power supply system inside the vehicle 200 and captures the electric power of the vehicle 200; the second is that the power module 33 has a plurality of rechargeable battery units; in the present embodiment, a power supply system electrically connected to the inside of the vehicle carrier 200 is taken as an example, but the implementation of the present invention is not limited thereto.
For further understanding of the structural features, operational features, and intended advantages of the invention, reference will now be made to the use of the invention in conjunction with the accompanying drawings, which are believed to provide a more thorough and detailed understanding of the invention, as follows:
please refer to fig. 2 and fig. 3, and fig. 7 and fig. 8, which are a block diagram, an exploded perspective view and a use diagram of the first embodiment of the present invention; in a use state, a user turns on the cold/hot switch 352 and the temperature control switch 353, and turns on the temperature control switch 353 according to a use requirement of the user, at this time, the processing unit 351 controls the fan units 34 and the refrigeration module 31 to operate; meanwhile, the user can turn on the cooling/heating switch 352 to turn on the cooling or heating as required. In addition, when the embodiment of the present invention is operated, as shown in fig. 7, a heat exchange circulation space a is formed between the accommodating space 12 of the box 10 and a set of connection space 302 inside the temperature control device 30, and the refrigeration module 31 has a plurality of refrigeration chips 311; in operation, the temperature control module 35 controls the heat energy conversion between the two side surfaces of the refrigeration chips 311, and at the same time, the fan unit 34 disposed at the suction opening 22 operates to make the air in the heat exchange circulation space a form a heating air circulation or a cooling air circulation, so as to continuously cool or heat the internal space of the box 10.
In more detail, as shown in fig. 7, the fan units 34 disposed on the heat sink 37 supply air to the heat dissipation fins 321, so that the external air exchanges heat with the heat dissipation fins 321. In addition, since the installation direction of the heat dissipation fins 321 located on the connector 36 is the same as the installation direction of the connector 36, when the fan unit 34 of the suction opening 22 operates, the air in the cabinet 10 can rapidly flow through the air flow channels 322, and when flowing, the air exchanges heat with the heat dissipation fins 321, thereby achieving a heating air cycle or a cooling air cycle.
Therefore, the embodiment of the utility model provides a can reach the box 10 (for example, send the case outward) that provides long-time cold-proof and cold-proof effect, continuously refrigerate or heat through temperature control device 30, can ensure to deposit the fresh-keeping quality of thing for a long time to reach the utility of sending food storage box to make thermostatic control outward.
Please continue to join with fig. 9, which is a front side view of a temperature control device 30 according to a second embodiment of the present invention; the cooling chips 311 of the present embodiment are evenly distributed and assembled between the heat sink 37 and the connecting member 36, the cooling chips 311 are coupled to each other, and the cooling chips 311 are coupled to the temperature control module 35;
the temperature control module 35 controls the amount and direction of current of the refrigeration chip 311 and controls the heat energy transition between two side surfaces of the refrigeration chip 311, and the refrigeration chips 311 cause the temperature change in the heat exchange circulation space a, and the temperature control module 35 further includes at least one temperature sensing unit 354 and at least one display unit 355, the processing unit 351 is electrically connected to the temperature sensing unit 354 and the display unit 355, and the temperature sensing unit 354 is disposed inside the box 10 and is configured to sense the temperature inside the box 10 and transmit the sensed temperature information to the display unit 355; the display unit 355 can display the temperature in the box 10 for the user to know; therefore, the present embodiment can achieve the implementation efficacy and technical efficacy as the first embodiment.
It should be noted that the vehicle carrier 200 according to the embodiment of the present invention is first exemplified by a locomotive or an electric locomotive, but the type and form of the vehicle carrier 200 are not limited.
The features of the invention and the expected effects that can be achieved are stated here again below:
the utility model discloses delivery warehouse storage box 100 with temperature control equipment mainly passes through temperature control device 30 group locates the outside of box 10, just the accommodation space 12 of box 10 with the inside a set of space 302 that connects of temperature control device 30 constitutes there is a heat exchange cycle space A, again, temperature control module 35 controls the heat energy transformation between these refrigeration chip 311's the both sides face, and makes air in the heat exchange cycle space A forms a heating air circulation or refrigeration air circulation.
Therefore, the utility model has the following implementation efficacy and technical efficacy:
one of them, the utility model discloses mainly provide the delivery storage box of long-time cold-proof and cold insulation effect, continuously refrigerate or heat through temperature control device 30, can ensure the fresh-keeping quality of deposit for a long time to reach and make thermostatic control to this delivery food storage box.
Secondly, the utility model provides a controllable set low temperature or high temperature air cycle full of the box 10, and continuously enters a stable heating or refrigeration cycle to achieve a better heat preservation effect; further, by the cooling or heating effect of the temperature control device 30, it is possible to maintain the optimum taste and flavor when the food placed in the box 10 is delivered to the consumer.
Thirdly, the heat dissipation fins 321 of the present invention can be matched with a plurality of refrigeration chips 311 for heat dissipation, and in addition, the heat dissipation fins 321 can be matched with a fan for heat dissipation; then, the utility model discloses a setting and the function of these refrigeration chips 311 can reach the volume that reduces temperature control device 30, again, can reduce or promote its temperature to the air in the box 10 fast, have the utility that the cold and hot double-purpose adjusted the temperature.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A tote having a temperature control device, comprising:
the vehicle load-taking device comprises a box body, a vehicle load-taking device and a vehicle control system, wherein one side of the box body is provided with a load-taking opening, the box body is provided with an open accommodating space, the accommodating space is communicated with the load-taking opening, and the box body is arranged on a vehicle carrier;
the box cover is pivoted on the box body in a state of correspondingly covering the object taking opening, and at least one air outlet opening and at least one suction opening are arranged in the box cover in a penetrating way; and
the temperature control device is correspondingly connected with the air outlet opening and the suction opening, a refrigeration module, at least one heat dissipation structure, a power supply module, at least one fan unit and a temperature control module are arranged in the temperature control device, the refrigeration module is connected with the heat dissipation structure in an assembling mode and is electrically connected with the temperature control module, and the temperature control module is electrically connected with the power supply module and the fan unit;
the temperature control device comprises a box body, a temperature control device and a heat exchange module, wherein the accommodating space of the box body and a group of connecting spaces inside the temperature control device form a heat exchange circulating space, the refrigeration module is provided with a plurality of refrigeration chips, the temperature control module controls the heat energy conversion between two side faces of the refrigeration chips, and air in the heat exchange circulating space forms a heating air circulation or a refrigeration air circulation.
2. The storage box of claim 1, wherein the temperature control device comprises two hollow connecting portions and a connecting space, the two connecting portions are connected to the connecting space, the two connecting portions are respectively connected to the air outlet opening and the air inlet opening, and the fan unit is disposed at the air inlet opening.
3. The storage box of claim 2, wherein the temperature control device comprises a hollow connector and a hollow heat sink, the connector is in an inverted U shape, two ends of the connector are respectively provided with two connecting portions, the heat sink is assembled on one side of the connector, the refrigeration module is disposed between the heat sink and the connector, and two sides of the refrigeration module are respectively provided with a heat sink structure.
4. The tote tank with temperature control apparatus of claim 3, wherein a plurality of vents are perforated outside the heat sink, and wherein the heat dissipation structure is a plurality of heat dissipation fins.
5. The tote of claim 4, wherein a plurality of said heat fins in said heat sink and a plurality of said heat fins in said connector are oriented perpendicular to each other, wherein a plurality of said heat fins in said connector are oriented in the same direction as said connector, and wherein a plurality of said heat fins separate a plurality of air channels in a space of said connector.
6. The tote tank with temperature control apparatus of claim 3, wherein at least one fan unit is further provided outside said heat sink, said fan unit being electrically connected to said temperature control module.
7. The tote tank of claim 3, wherein the temperature control module comprises at least one processing unit, at least one hot/cold switch, and at least one temperature control switch, the processing unit being electrically connected to the hot/cold switch and the temperature control switch.
8. The tote of claim 1, wherein said power module is electrically connected to a power supply system inside said vehicle carrier.
9. The tote having temperature control apparatus of claim 1, wherein said power module comprises at least one battery cell.
10. The tote tank with temperature control equipment of claim 7, characterized in that a plurality of said refrigeration chips are assembled between said heat sink and said connector in an evenly distributed manner, and a plurality of said refrigeration chips are coupled to each other, a plurality of said refrigeration chips are coupled to said temperature control module, and said temperature control module controls the heat energy transition between two side surfaces of said refrigeration chip by controlling the current magnitude and current direction of said refrigeration chip, and a plurality of said refrigeration chips make the temperature change in said heat exchange circulation space, and said temperature control module further comprises at least one temperature sensing unit and at least one display unit, said processing unit is electrically connected to said temperature sensing unit and said display unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020786271.5U CN212227503U (en) | 2020-05-13 | 2020-05-13 | Delivery tank with temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020786271.5U CN212227503U (en) | 2020-05-13 | 2020-05-13 | Delivery tank with temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212227503U true CN212227503U (en) | 2020-12-25 |
Family
ID=73927547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020786271.5U Expired - Fee Related CN212227503U (en) | 2020-05-13 | 2020-05-13 | Delivery tank with temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212227503U (en) |
-
2020
- 2020-05-13 CN CN202020786271.5U patent/CN212227503U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201225 |