Top-mounted pure electric cold chain unit of unmanned transport vehicle

Abstract

The utility model provides an unmanned transport vehicle top-mounted pure electric cold chain unit, and relates to the technical field of cold chain transport air conditioners, the cold chain unit comprises a condensation assembly, the condensation assembly comprises a first shell and a bottom plate, a first containing cavity is defined by the first shell and the bottom plate, and a second containing cavity is defined by the second shell and the bottom plate; a compressor, a condenser and a condensation fan are arranged in the first containing cavity, and the condensation fan and the condenser are arranged on the bottom plate in parallel; the evaporation assembly comprises a second shell, the second shell is provided with a second containing cavity, and an expansion valve, an evaporator and an evaporation fan are arranged in the second containing cavity; the first electric control box is arranged in the first accommodating cavity, and a DC / DC converter is arranged in the first electric control box; and the second electric control box is arranged in the first containing cavity, a controller is arranged in the second electric control box, and the cold chain unit can meet the cold chain requirement of a 72V unmanned transport vehicle.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold chain transportation air conditioner technical field, specifically related to a kind of top-mounted pure electric cold chain unit of unmanned transport vehicle. BACKGROUND

[0002] Cold chain transportation refers to the whole process of transportation, whether it is loading and unloading, changing transportation mode, changing packaging equipment and other links, so that the transported goods always maintain a certain temperature. There is a lack of cold chain unit for unmanned transport vehicle in the prior art. The current cold chain unit for unmanned transport vehicle has large wind resistance, which affects the endurance of the transport vehicle. In addition, due to the capacity limitation of the battery pack, the input of the high-voltage power supply is mainly rated DC72V, which cannot meet the power supply demand of low-voltage equipment in the cold chain unit. UTILITY MODEL CONTENT

[0003] The utility model aims to overcome the defects of the prior art and provide a top-mounted pure electric cold chain unit for unmanned transport vehicle to meet the cold chain demand of unmanned transport vehicle.

[0004] In order to achieve the above purpose and other purposes, the utility model is realized by including the following technical solutions: the utility model provides a top-mounted pure electric cold chain unit for unmanned transport vehicle, which comprises:

[0005] A condensing assembly, the condensing assembly comprises a first housing and a bottom plate, the first housing and the bottom plate enclose a first containing cavity, a compressor, a condenser and a condensing fan are arranged in the first containing cavity, the first housing has a plurality of grooves and a ventilation opening, through holes are arranged between the grooves, the condensing fan is located at the through hole, and the condensing fan and the condenser are arranged on the bottom plate in parallel;

[0006] An evaporating assembly, the evaporating assembly comprises a second housing, the second housing has a second containing cavity, an expansion valve, an evaporator and an evaporating fan are arranged in the second containing cavity;

[0007] A first electric control box is arranged in the first containing cavity, and a DC / DC converter is arranged in the first electric control box;

[0008] A second electric control box is arranged in the first containing cavity, a controller is arranged in the second electric control box, one end of the controller is electrically connected with the DC / DC converter, and the other end of the controller is electrically connected with the compressor, the condensing fan and the evaporating fan;

[0009] One end of the compressor is connected with one end of the condenser, the other end of the condenser is connected with one end of the expansion valve, the other end of the expansion valve is connected with one end of the evaporator, and the other end of the evaporator is connected with the other end of the compressor.

[0010] The utility model provides a kind of unmanned transport vehicle top-mounted pure electric cold chain unit, compared with prior art, the utility model has the following beneficial effects: the height of condensing external unit can be reduced by the design of ventilation opening and first shell, and the adjustment of internal layout of condensing unit reduces energy loss, and the power supply demand of low-voltage equipment in cold chain unit can be well solved by separately configuring multiple electric control boxes. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is shown as the structure schematic diagram of the condensing assembly of the cold chain unit of the utility model.

[0012] Figure 2 It is shown as the structure schematic diagram of the condensing assembly of the cold chain unit of the utility model.

[0013] Figure 3 It is shown as the structure schematic diagram of the condensing assembly of the cold chain unit of the utility model.

[0014] Figure 4 It is shown as the structure schematic diagram of the evaporating assembly of the cold chain unit of the utility model.

[0015] Figure 5 It is shown as the structure schematic diagram of the evaporating assembly of the cold chain unit of the utility model.

[0016] Figure 6 It is shown as the structure schematic diagram of the evaporating assembly of the cold chain unit of the utility model.

[0017] Figure 7 It is shown as the refrigerant flow direction schematic diagram of the cold chain unit of the utility model.

[0018] Marked number in drawing: 100-condensing unit, 101-top wall, 101a-groove, 101b-first ventilation opening, 101c-grating, 101d-through hole, 101e-mounting slot, 101f-first mounting hole, 102-side wall, 102a-second ventilation opening, 103-connection plate, 104-bottom plate, 104a-second mounting hole, 105-compressor, 106-oil separator, 107-condenser, 108-condensing fan, 109-gas-liquid separator, 110-dry filter;

[0019] 200-evaporating unit, 201-second shell, 201a-air outlet, 201b-first return air inlet, 201c-second return air inlet, 202-expansion valve, 203-evaporator, 204-evaporating fan;

[0020] 300 - First Electrical Control Box;

[0021] 400 - Second electrical control box;

[0022] 500 - Defrosting solenoid valve. Detailed Implementation

[0023] Please see Figures 1 to 7 The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model.

[0024] like Figure 1 and Figure 3 As shown, this utility model provides a roof-mounted pure electric cold chain unit for an unmanned transport vehicle. The cold chain unit includes a condenser assembly 100 and an evaporator assembly 200. The condenser assembly 100 is installed on the roof of the vehicle compartment, and the evaporator assembly 200 is installed inside the vehicle compartment.

[0025] The condensation assembly 100 includes a first housing, which includes a top wall 101 and side walls 102 connected to both sides. The top wall 101 and the side walls 102 are connected by an arc-shaped connecting plate 103. The connecting plate 103 is a concave arc-shaped connecting plate. The top wall 101 has a plurality of grooves 101a, which can reduce wind resistance. The top wall 101 has a through hole 101d between two adjacent grooves 101a. One end of the top wall 101 has a plurality of parallel first vents 101b, which are separated by a grille 101c.

[0026] like Figure 2As shown, the other end of the top wall 101 has a mounting groove 101e, the mounting groove 101e has a first mounting hole 101f, the side wall 102 has a plurality of second air vents 102a, the first shell is connected with a bottom plate 104, the bottom plate 104 includes a plurality of support rods connected together, the support rods can be provided with second mounting holes 104a, the first shell and the bottom plate 104 have a first containing cavity, the first containing cavity can be provided with a compressor 105, the bottom of the compressor 105 is fixed on the bottom plate 104, the first containing cavity is provided with an oil separator 106, one end of the oil separator 106 is connected with one end of the compressor 105, the first containing cavity is provided with a condenser 107, the condenser 107 is a micro-channel condenser, one end of the condenser 107 is connected with the other end of the oil separator 106, the first containing cavity is provided with a drying filter 110, one end of the drying filter 110 is connected with the other end of the condenser 107, the first containing cavity is provided with a condensing fan 108, the condensing fan 108 is arranged above the condenser 107, the condensing fan 108 includes two condensing fans, the condensing fan 108 can be located below the through hole 101d, the condenser 107 and the bottom plate 104 are arranged in parallel, which can reduce the overall height of the outdoor unit, and the condensing fan 108 is arranged above the condenser 107 in parallel.

[0027] As Figure 5 and Figure 6 As shown, the cold chain unit includes an evaporating assembly 200, the evaporating assembly 200 can be installed inside the vehicle compartment, the evaporating assembly 200 includes a second shell 201, the second shell 201 has a second containing cavity, the second containing cavity can be provided with an expansion valve 202, an evaporator 203 and an evaporating fan 204, one side of the second shell 201 has an air outlet 201a, the other side of the second shell 201 close to the evaporating fan 204 has a first return air outlet 201b, the bottom of the second shell 201 has a plurality of strip-shaped second return air outlets 201c, the evaporating assembly 200 includes an expansion valve 202, one end of the expansion valve 202 is connected with the other end of the drying filter 110, the evaporating assembly 200 includes an evaporator 203 and an evaporating fan 204, one end of the evaporator 203 is connected with the other end of the expansion valve 202, the evaporating fan 204 is located on one side of the evaporator 203, the other end of the evaporator 203 is connected with one end of the gas-liquid separator 109, the other end of the gas-liquid separator 109 is connected with the other end of the compressor 105, and the evaporator 203 can be a serpentine coil.

[0028] As Figure 3As shown in the figure, the cold chain unit includes a first electric control box 300 arranged in the first accommodating cavity, a DC / DC converter is arranged in the first electric control box 300, and the DC / DC converter can convert DC 72V into DC 24V. The DC / DC converter is of a 4.2.2.07 series, one end of the DC / DC converter can be electrically connected with a transport vehicle chassis direct current high voltage 72V, and the DC / DC converter can be electrically connected with an evaporative fan 204, a condensing fan 108, a defrosting electromagnetic valve 500 and the like.

[0029] As shown in the figure, Figure 3 As shown in the figure, the cold chain unit includes a second electric control box 400 arranged in the first accommodating cavity, a controller is arranged in the second electric control box 400, the controller can control elements such as an evaporative fan 204, a condensing fan 108, a defrosting electromagnetic valve 500 and a compressor 105 according to the operation of the unit, the DC / DC converter can be electrically connected with the controller, and the model of the controller can be AI-10.

[0030] As shown in the figure, Figure 5 As shown in the figure, the cold chain unit includes a defrosting electromagnetic valve 500, one end of the defrosting electromagnetic valve 500 is connected to a pipeline between an oil separator 110 and the condenser 107, and the other end of the defrosting electromagnetic valve 500 is connected to a pipeline between the expansion valve 202 and the evaporator 203.

[0031] Therefore, the utility model effectively overcomes various shortcomings in the prior art and has high industrial utilization value. The above examples only exemplarily illustrate the principle and effect of the utility model, and are not used to limit the utility model. Any person skilled in the art can modify or change the above examples without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A top-mounted pure electric cold chain unit for an unmanned transport vehicle, characterized in that: The cold chain unit comprises: A condensing assembly comprising a first shell and a bottom plate, a first containing cavity being enclosed between the first shell and the bottom plate, a compressor, a condenser and a condensing fan being arranged in the first containing cavity, a plurality of grooves and a ventilation opening being provided on the first shell, through holes being provided between the grooves, the condensing fan being located at the through holes, the condensing fan and the condenser being arranged on the bottom plate in parallel; An evaporating assembly comprising a second shell, the second shell having a second containing cavity, an expansion valve, an evaporator and an evaporating fan being arranged in the second containing cavity; A first electric control box arranged in the first containing cavity, a DC / DC converter being arranged in the first electric control box, the DC / DC converter being electrically connected with the condensing fan and the evaporating fan; And a second electric control box arranged in the first containing cavity, a controller being arranged in the second electric control box, the controller being electrically connected with the compressor, the condensing fan and the evaporating fan; Wherein, one end of the compressor is connected with one end of the condenser, the other end of the condenser is connected with one end of the expansion valve, the other end of the expansion valve is connected with one end of the evaporator, the other end of the evaporator is connected with the other end of the compressor.

2. The cold chain pack of claim 1, wherein: The condensing assembly further comprises an oil separator, the oil separator being arranged between the compressor and the condenser.

3. The cold chain pack of claim 2, wherein: The cold chain unit comprises a defrosting electromagnetic valve, one end of the defrosting electromagnetic valve being connected to a pipeline between the oil separator and the condenser, the other end of the defrosting electromagnetic valve being connected to a pipeline between the expansion valve and the evaporator.

4. The cold chain pack of claim 1, wherein: The condensing assembly further comprises a drying filter, the drying filter being arranged between the condenser and the expansion valve.

5. The cold chain pack of claim 1, wherein: The condenser is a micro-channel condenser.

6. The cold chain pack of claim 1, wherein: The first shell comprises a top wall and side walls connected on both sides, the top wall and the side walls being connected through arc-shaped connecting plates.

7. The cold chain pack of claim 6, wherein: The ventilation opening comprises first ventilation openings and second ventilation openings, the first ventilation openings being arranged in parallel at one end of the top wall, the first ventilation openings being separated by grilles, the second ventilation openings being arranged on the side walls.

8. The cold chain pack of claim 7, wherein: The other end of the top wall has a mounting groove, the mounting groove having a first mounting hole.

9. The cold chain pack of claim 1, wherein: The second shell has an air outlet on one side of the evaporator, the evaporating fan being arranged on the other side of the evaporator.

10. The cold chain pack of claim 9, wherein: The bottom of the second shell and the side close to the evaporating fan have an air return opening.

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