Base module and base module device for a heat pump dryer, compressor mounting tray for a base module, heat pump dryer and method for manufacturing a base module device

Abstract

Base module (106) for a heat pump dryer (100), wherein the base module (106) has a substantially trough-shaped receiving area (215) for receiving a compressor receiving tray (405), characterized in that the receiving area (215) has at least one locking unit (220) which is shaped to cause the compressor receiving tray (405) to lock onto the base module (106) together with a counter-locking unit (410) on the compressor receiving tray (405).

Description

The invention relates to a floor module and a floor module device for a heat pump dryer, a compressor mounting tray for a floor module, a heat pump dryer and a method for manufacturing a floor module device. The refrigeration compressors of heat pump dryers are mounted in the base module assembly, which typically houses the refrigeration unit. It is crucial that the mounting is sufficiently robust to securely hold the relatively heavy compressors, both during operation under vibration and to withstand stresses encountered during transport. These stresses also include vibrations. Furthermore, impacts can cause short but very high loads, which are tested in appropriate shock tests. The assembly is typically supported by a large plastic component, referred to below as the base module. The compressor is then bolted into a sheet metal tray, which in turn is bolted to the plastic component.Compressor mounts designed as triangular sheet metal trays are mostly used, which are fastened to the base module with three or more screws. DE 20 2014 000 975 U1 describes a corresponding attachment of a compressor to a base module of a heat pump dryer. DE 10 2013 113 508 A1 describes a different compressor mounting tray. The invention is based on the objective of creating an improved floor module and an improved floor module device for a heat pump dryer, an improved compressor mounting tray for a floor module, an improved heat pump dryer, and an improved method for manufacturing a floor module device for a heat pump dryer. According to the invention, this problem is solved by a floor module and a floor module device for a heat pump dryer, furthermore by a compressor mounting tray for a floor module, a heat pump dryer, and finally a method for manufacturing a floor module device for a heat pump dryer with the features of the main claims. Advantageous embodiments and further developments of the invention are described in the following dependent claims. The advantages achievable with the invention lie in the fact that a secure attachment of the compressor to the base module can be realized with minimal material expenditure. Such an attachment withstands the usual shock, tip-over, and drop tests, which generate considerable accelerations on the base module assembly. Combined with the high mass of the refrigeration compressor (approximately 7-8 kg) in the household appliance and its high center of gravity, significant forces and moments are exerted, which the compressor mounting described here and its interface with the plastic component can withstand. The compressor mounting tray, which holds the compressor, can be directly snapped into the base module's mounting device, simplifying assembly while still meeting the required strength standards. Advantageously, the described approach eliminates the need for screws and washers to attach the compressor mounting tray to the base module. Instead, a snap-in compressor mount can be implemented. This solution is simple to install and inexpensive. A base module for a heat pump dryer has a substantially trough-shaped receiving area for receiving a compressor mounting tray. The receiving area has at least one locking element designed to engage with a corresponding locking element on the compressor mounting tray, thereby securing the compressor mounting tray to the base module. A heat pump dryer can be a household appliance with a heat pump for drying laundry. It can also be a washer-dryer, in which laundry can be washed before drying. A base module is a support element for housing components of the heat pump dryer, such as a compressor housing for the dryer's compressor. The base module can be a plastic part, for example, a standard injection-molded component that doesn't require additional sliders. The compressor housing can be made of plastic, metal, or a composite material. For example, it could be a sheet metal component, such as a stamped and bent part.The compressor mounting tray can be locked into the base module to secure it and prevent the compressor from tipping over during operation. This locking mechanism is achieved by the interlocking locking unit and its corresponding counterpart. This locking mechanism can also be described as a snap-fit ​​connection. This approach offers a cost advantage by using a snap-fit ​​connection instead of screw connections. This snap-fit ​​connection utilizes the existing mounting direction and the compressor's own weight to secure the joint. This eliminates the need for screws, washers, and screw holes in the sheet metal housing, without compromising system rigidity, which could, for example, cause compressor deflection. Furthermore, assembly is very simple, as the compressor's own weight is sufficient to engage the snap-fit ​​connection when the component geometries are properly designed. Assembly costs can be reduced due to the simple and time-efficient installation process. According to one embodiment, the locking unit of the base module can have a locking lug shaped to engage with the mating locking unit. A locking lug, in conjunction with a corresponding mating locking unit, can create a positive-locking connection between the compressor mounting tray and the base module. Due to the locking lug protruding beyond the counter-locking unit, the compressor mounting tray cannot jump out of the mounting area during compressor operation. According to one embodiment, the locking unit of the base module can be made of plastic. Plastic can be a lightweight and cost-effective solution. For example, the essentially triangular mounting area can have two locking units on each side, designed to engage with six corresponding locking units. Thus, six locking units can be engaged by six corresponding locking units. The stability of the compressor mounting tray's attachment to the base module can be significantly increased by these six locking connections. A compressor mounting tray for a floor module has at least one receiving element for receiving a compressor foot of a compressor, wherein the compressor mounting tray has at least one counter-locking unit which is shaped to cause the compressor mounting tray to lock onto the floor module together with a locking unit on the receiving area of ​​the floor module. The mounting element provides a mounting point for the compressor. The compressor can be attached to the compressor mounting tray via the mounting element. A locking mechanism on the compressor mounting tray ensures a positive connection between the compressor mounting tray and the base module, which also has a corresponding locking mechanism. According to one embodiment, the outer diameter of the compressor mounting tray in the area of ​​the locking unit can be larger in the uninstalled state than the inner diameter of the mounting area in the area of ​​the locking unit. This allows a preload to be generated on the compressor mounting tray in the installed state, which can hold the compressor mounting tray firmly in the installed position. The receiving element of the compressor mounting tray can be essentially dome-shaped. This receiving element can extend vertically from the compressor side of the mounting tray facing the compressor. A dome-shaped design of the receiving element allows the compressor base's through-hole to be placed over it, thus locking the base in a specific position. According to one embodiment, the receiving element can have an external thread shaped to receive a fastening nut for securing the compressor to the compressor mounting tray. Securing the compressor with a fastening nut prevents the compressor base from springing off the receiving element from a position over it during operation. According to one embodiment, a spacer sleeve can be arranged between the mounting element and a decoupling damper placed over the mounting element. This spacer sleeve is shaped to be interchangeably inserted over the mounting element. This allows for the use of different spacer sleeves to ensure the secure attachment of differently shaped compressor feet. The compressor mounting tray can have three mounting elements shaped to accommodate the three through-holes of the compressor's feet. In this way, the three compressor feet can be held by the three mounting elements, thus enabling a stable attachment of the compressor to the mounting tray. The compressor mounting tray can have a raised edge designed to rest on the base module outside the mounting area when the tray is installed. Such a raised edge can be easily formed by double-folding one wall of the compressor mounting tray, providing a secure contact surface for the tray on the base module. According to one embodiment, the locking mechanism of the compressor mounting tray can be a recess in a wall of the compressor mounting tray, shaped to accommodate the locking mechanism. Such a recess can be easily and quickly punched out of the compressor mounting tray and requires no additional material costs. The compressor mounting tray can be essentially triangular in shape. Each wall of the triangular compressor mounting tray can have two locking mechanisms. Six locking mechanisms can accommodate six locking units, e.g., six locking lugs. The stability of the compressor mounting tray's attachment to the base module can be significantly increased by using six locking connections. The compressor mounting tray can, for example, have an upper circumferential rim, with the counter-locking unit formed by the upper circumferential rim, and the circumferential rim being shaped to engage beneath the locking unit. In one embodiment, the compressor mounting tray is a sheet metal part. In this case, a recess in the sheet metal part, which can be produced in a stamping operation that would typically be performed anyway, and a corresponding geometry in the base module (e.g., made of plastic), eliminate the need for an upper folded edge on the sheet metal part, thus eliminating a manufacturing step. Since less sheet metal is required to produce the simplified sheet metal component compared to such an upper folded edge, the manufacturing costs of the compressor mounting tray can be reduced. A floor module device for a heat pump dryer has the following features: a so-called floor module; and the compressor receiving tray, wherein the counter-locking unit of the compressor receiving tray is locked to the locking unit of the receiving area of ​​the floor module. Optionally, the base module device can further include the compressor, wherein the compressor base is received by the at least one receiving element of the compressor mounting tray. Such a base module device can be used as a replacement for known base module devices in a heat pump dryer. A corresponding heat pump dryer comprises a heat pump and a floor module, the compressor of which is part of the heat pump. Due to the stable mounting of the compressor, such a heat pump dryer can be very insensitive to vibrations. A method for manufacturing a base module device for a heat pump dryer comprises the following steps: providing said base module and compressor receiving tray and a compressor with at least one compressor foot; arranging the compressor on a compressor side of the compressor receiving tray, wherein the compressor foot of the compressor is received by the receiving element of the compressor receiving tray; and arranging the compressor receiving tray in the receiving area of ​​the base module, wherein the counter-locking unit of the compressor receiving tray is locked to the locking unit of the receiving area of ​​the base module. Exemplary embodiments of the invention are shown purely schematically in the drawings and are described in more detail below. Fig. 1 shows a schematic representation of a heat pump dryer according to one embodiment; Fig. 2 shows a perspective view of a base module for a heat pump dryer according to one embodiment; Fig. 3 shows a top view of a base module for a heat pump dryer according to one embodiment; Fig. 4 shows an exploded view of a base module assembly according to one embodiment; Fig. 5 shows an exploded view of a base module assembly with an alternative compressor mounting tray according to one embodiment; Fig. 6 shows a perspective view of a base module assembly in the assembled state according to one embodiment; Fig. 7 shows a cross-section of a locking mechanism for a compressor mounting tray on a base module according to one embodiment; and Fig.8 a flowchart of a method for manufacturing a floor module device for a heat pump dryer according to an exemplary embodiment. Fig. 1 shows a schematic representation of a heat pump dryer 100 according to an exemplary embodiment. The heat pump dryer 100 has a drum 102 for holding laundry to be dried. An interior of the heat pump dryer 100 is enclosed by a housing 104, which also has a filling opening for filling the drum 102 with laundry. A base module 106 is arranged in a lower section of the housing 104. The base module 106 is fixedly connected to the housing 104. The base module 106 can be considered a base element of the heat pump dryer 100 and, according to one embodiment, extends within the housing 104 over at least approximately the entire base surface of the heat pump dryer 100. The base module 106 is shaped to accommodate a compressor 108. Compressor 108 is part of the heat pump of the heat pump dryer 100. In addition to compressor 108, the heat pump includes an evaporator 110, a condenser 112, and an expansion valve 114. The base module 106 can be configured to accommodate additional components 110, 112, and 114 of the heat pump alongside compressor 108. During operation of the heat pump dryer, process air from the drum 102 is directed to the evaporator 110 and dehumidified there. From the evaporator 110, the process air is directed to the condenser 112 and heated. From the condenser 112, the process air is returned to the drum 102 to absorb moisture from the laundry. A refrigerant is circulated from the evaporator 110 to the compressor 108 in a refrigerant circuit. In the compressor 108, the gaseous refrigerant is compressed and fed in compressed form to the condenser 112, in which the gaseous refrigerant condenses.The liquefied refrigerant is routed from the condenser 112 via the throttle 114 back to the evaporator 110 and evaporated in the evaporator 110. Since compressors 108 generally weigh approximately 7-8 kg, it is important to securely fix the compressor 108 to the base module so that it remains firmly in place during operation of the heat pump dryer 100, for example, due to vibrations. Sufficient securing of the compressor 108 is also necessary during transport. Fig. 2 shows a perspective view of a base module 106 of a heat pump dryer according to an exemplary embodiment. The base module 106 can be the base module 106 described with reference to Fig. 1 or a section of the base module 106 shown in Fig. 1. The base module 106 can also be described as a plastic compressor mount for the compressor mounting tray 405. Accordingly, the base module 106 can be made of plastic, for example, as an injection-molded part. Alternatively, the base module 106 can also be made of another suitable material. The base module 106 has a compressor side 205 facing the compressor and a rear side 210 opposite the compressor side 205. The compressor side 205 of the base module 106 includes a substantially triangular receiving area 215 for receiving a compressor mounting tray. In this embodiment, the receiving area 215 is designed as an opening open towards the rear side 210. As an alternative to the triangular shape of the receiving area 215 shown, the receiving area 215 can also have a different shape, typically adapted to the shape of a base surface of the compressor. The receiving area 215 has at least one locking unit 220 by means of which a compressor receiving tray can be locked to the base module 106. By way of example only, the receiving area 215 in the illustrated embodiment has six locking units 220, which are shaped to lock the compressor receiving tray to the base module 106 together with six counter-locking units on the compressor receiving tray. Fig. 3 shows a top view of a base module 106 for a heat pump dryer according to an exemplary embodiment. The base module 106 can be the same as the one described with reference to Fig. 2. In this exemplary embodiment, each of the three sides of the triangular receiving area 215 has two locking units 220. Fig. 4 shows an exploded view of a base module device 400 for a compressor 108 according to an exemplary embodiment. According to this embodiment, the base module device 400 comprises a base module 106, which can be the base module 106 described with reference to Fig. 3, as well as a compressor mounting tray 405 and, as optional elements, a compressor 108 and elements 435, 440 for attaching the compressor 108 to the compressor mounting tray 405. The compressor mounting tray 405 is triangular in shape, corresponding to the triangular shape of the receiving area 215 of the base module 106 as shown in this embodiment. The compressor mounting tray 405 can, for example, be made of a sheet metal. The compressor mounting tray 405 has a number of counter-locking units 410 corresponding to the number of locking units 220 of the base module 106. In the assembled state, the locking units 220 are arranged opposite the counter-locking units 410, so that each locking unit 220 can engage with each counter-locking unit 410. According to the illustrated embodiment, corresponding to the six locking units 220 of the receiving area 215 of the base module 106, six counter-locking units 410 are arranged in the walls of the compressor receiving tray 405. The counter-locking units 410 are shaped to engage with the locking units 220 of the base module 106. In a locked position, the compressor receiving tray 405 is attached to the base module 106. In this embodiment, the counter-locking units 410 are implemented as six recesses in the compressor receiving tray 405, which has a double fold. The double fold comprises first folds that angle the walls relative to the base of the compressor receiving tray 405, and second folds 415 that angle the free ends of the walls again, in this case outwards.In this embodiment, the recesses extend over the second folded edges 415 and thus over areas of the walls of the compressor mounting tray 405 as well as over areas of the angled free ends of the walls. According to one embodiment, the free ends are shaped as bearing surfaces which, in the assembled state of the compressor mounting tray 405, rest on the area of ​​the base module 106 that extends around the edge of the opening in the base module 106. According to this embodiment, the locking units 220 have locking lugs that extend from the rearward-facing edge of the opening in the receiving area 215 along the walls of the base module 106. In one embodiment, the locking units 220 are integrally formed on the base module 106 and are not flexible. The locking lugs of the locking units 220 are designed to engage in the corresponding counter-locking units 410 of the compressor receiving tray 405, which are formed as recesses, and cause the compressor receiving tray 405 to be locked onto the base module 106. The spring movement required for locking the compressor mounting tray 405 is achieved by means of the flexible folded edges in the area of ​​the counter-locking units 410 of the sheet metal compressor mounting tray 405. On either side of the locking units 220, protruding surfaces 220.1 are formed, which ensure a defined and secure positioning of the compressor mounting tray 405 in the receiving area 215. According to this embodiment, a dome-shaped receiving element 420 for receiving a compressor foot 425 of the compressor 108 is arranged in each of the three corners of the triangular compressor mounting tray 405. The receiving elements 420 extend towards the compressor 108. The receiving elements 420 can, for example, be receiving bolts. One number of receiving elements 420 corresponds to one number of compressor feet 425 of the compressor 108. The compressor 108, which is received by the compressor mounting tray 405, has, in this embodiment, three compressor feet 425 on a base 430 of the compressor 108. These feet extend radially outwards from a base body of the compressor 108 and are formed from a metal sheet. According to one embodiment, the compressor feet 425 are part of the compressor 108. In another embodiment, the compressor feet 425 are rigidly connected to the base body of the compressor 108, for example, by a material-bonded or force-fit connection. In yet another embodiment, the compressor feet 425 are formed by a section of a base plate of the compressor 108. Such a base plate can be considered an integral part of the housing of the compressor 108. The base 430 of the compressor 108 is triangular in shape, corresponding to the design of the base module device 400. The compressor feet 425 each have a through-opening shaped to be received by the receiving elements 420. In this embodiment, elastically shaped decoupling dampers 435 are additionally arranged between the compressor feet 425 and the receiving elements 420 in the assembled state. These decoupling dampers are received by the receiving elements 420 via through-openings. Such decoupling dampers 435 can reduce vibrations of the compressor 108 to the compressor mounting tray 405 during operation of the compressor 108. According to this embodiment, spacer sleeves 440 are arranged between the receiving elements 420 and the decoupling dampers 435 in the assembled state. The spacer sleeves 440 are inserted through through-holes over the receiving elements 420. According to one embodiment, the mounting elements 420 have threads at their free ends, here external threads, which are shaped to protrude beyond the decoupling dampers 435, the spacer sleeves 440, and the compressor feet 425 of the compressor 108 in order to be screwed onto threads, here internal threads, of fastening nuts 445. The fastening nuts 445 are screwed onto the mounting elements 420 from a side of the compressor feet 425 of the compressor 108 facing the compressor 108. In this embodiment, washers 450 are arranged between the fastening nuts 445 and the compressor feet 425 of the compressor 108. In the screwed-together state, the compressor 108 is firmly locked onto the compressor mounting tray 405. A top side of the compressor 108, opposite the bottom 430 of the compressor 108, has a connection line 455 for the refrigerant. The described floor module device is cost-effective both during assembly and due to the reduced material usage. The weight of the compressor 108 mounted in the tray allows the tray 405 to slide into its final position during assembly without any additional external force and lock automatically into place. This also results in high process reliability, as no loose fasteners, such as screws, can be forgotten. Fig. 5 shows an exploded view of a base module device 400 with an alternative compressor mounting tray 405 according to an exemplary embodiment. The base module device 400 can be the same as the base module device 400 described with reference to Fig. 4, with the difference that a simplified version of the compressor mounting tray 405 with a simple canting 500 is shown. Unlike in Fig. 4, the upper circumferential edge 505 of the compressor mounting tray 405 does not project beyond the recessed receiving area 215 of the base module 106, but rather, in the assembled state, ends below the locking lugs 510 of the locking units 220 of the base module 106 arranged in this exemplary embodiment. Furthermore, the upper circumferential edge 505 is not angled.According to this embodiment, sections of the upper circumferential rim 505 form the counter-locking units 410 of the compressor receiving tray 405, wherein projections of the locking lugs 510 of the base module 106 rest on the corresponding sections of the upper circumferential rim 505 of the compressor receiving tray 405, thereby causing the compressor receiving tray 405 to lock onto the base module 106. As in the embodiment shown in Fig. 4, the receiving area 215 is open downwards as a recess for the compressor mount 405 in the base module 106, or rather, designed as a through-hole. In this case, the compressor mount is prevented from sliding downwards by material projections (A) on the respective sides of the triangle (see arrow), on which the compressor mount rests with corresponding cutouts (B). The sheet metal part 405, previously referred to as compressor mounting tray 405, is cheaper to manufacture, as it is less complex in this variant, particularly due to the elimination of the second folds and the reduced size of the blank. Fig. 6 shows a perspective view of a floor module device 400 in the assembled state according to an exemplary embodiment. The floor module 106 of the floor module device 400 can be the floor module 106 described with reference to Fig. 4. The compressor feet 425 of the compressor 108 are screwed to the compressor mounting tray 405 by means of three fastening nuts 445. The compressor mounting tray 405 is arranged in the triangularly shaped, tray-like receiving area of ​​the floor module 106, wherein the compressor mounting tray 405 has a double flange 415 in this exemplary embodiment. The locking lugs 510 of the locking unit of the floor module 106 engage in the counter-locking units 410 of the compressor mounting tray 405 in this exemplary embodiment and fasten the compressor mounting tray 405 to the floor module 106. Fig. 7 shows a cross-section of a locking mechanism of a compressor mounting tray 405 on a base module 106. This could be the locking mechanism shown in Fig. 4. The compressor mounting tray 405 has a double flange, which forms an angled support surface 715 that rests on the base module 106 outside the recessed receiving area 215. The locking lug 510 of the base module 106 engages with the lower edge of the recess of the counter-locking unit 410 of the compressor mounting tray 405. In the embodiment described with reference to Fig. 5 without double bending, the compressor mounting tray 405 is flush with the upper circumferential edge 505, and the locking lug 510 engages on the upper circumferential edge 505. In this variant without upper bending, previously also referred to as double bending, the sheet metal component 405 is particularly simple and, with the same mounting contour for the compressor 108, requires a smaller blank than the variant with double bending. Line 700 shows the shape of a wall of the compressor mounting tray 405 with double edging 415 in the unassembled state. The compressor mounting tray 405 has no preload in the unassembled state; therefore, the outer diameter of the compressor mounting tray 405 in the area of ​​the counter-locking unit 410, which is implemented as a recess in the compressor mounting tray 405, is larger in the unassembled state than the inner diameter of the receiving area 215 in the area of ​​the locking unit 510. Fig. 8 shows a flowchart of a method 800 for manufacturing a base module device for a heat pump dryer according to an exemplary embodiment. This can be the base module device 400 described with reference to the preceding figures. In step 802, a base module and a compressor mounting tray, as well as a compressor with at least one compressor foot, are provided. In step 804, the compressor is arranged on a compressor side of the compressor mounting tray, wherein the compressor foot of the compressor is received by the receiving element of the compressor mounting tray. In step 806, the compressor receiving tray is positioned in the receiving area of ​​the base module, with the counter-locking unit of the compressor receiving tray engaging with the locking unit of the receiving area of ​​the base module. For example, the counter-locking unit can engage with the locking unit, or vice versa, as the compressor receiving tray is inserted into the receiving area of ​​the base module. This engagement creates a snap-lock connection.

Claims

Base module (106) for a heat pump dryer (100), wherein the base module (106) has a substantially trough-shaped receiving area (215) for receiving a compressor receiving tray (405), characterized in that the receiving area (215) has at least one locking unit (220) which is shaped to cause the compressor receiving tray (405) to lock onto the base module (106) together with a counter-locking unit (410) on the compressor receiving tray (405). Floor module (106) according to claim 1, characterized in that the locking unit (220) has a locking lug (510) which is shaped to engage in the counter-locking unit (410). floor module (106) according to one of the preceding claims, characterized in that the locking unit (220) is made of plastic. Base module (106) according to one of the preceding claims, characterized in that the receiving area (215) is substantially triangular in shape and each side of the triangular receiving area (215) has two locking units (220) which are shaped to engage in six counter-locking units (410). Compressor receiving tray (405) for a base module (106) according to one of the preceding claims, wherein the compressor receiving tray (405) has at least one receiving element (420) for receiving a compressor foot (425) of a compressor (108), characterized in that the compressor receiving tray (405) has at least one counter-locking unit (410) which is shaped to effect, together with a locking unit (220) on the receiving area (215) of the base module (106), a locking of the compressor receiving tray (405) on the base module (106). Compressor receiving cradle (405) according to claim 5, characterized in that the outer diameter of the compressor receiving cradle (405) in the area of ​​the counter-locking unit (410) is larger in the uninstalled state than the inner diameter of the receiving area (215) in the area of ​​the locking unit (220). Compressor receiving tray (405) according to claim 5 or 6, characterized in that a spacer sleeve (440) is arranged between the receiving element (420) and a decoupling damper (435) placed over the receiving element (420), the spacer sleeve being shaped to be interchangeably placed over the receiving element (420). Compressor receiving tray (405) according to one of claims 5 to 7, characterized in that the compressor receiving tray (405) has a circumferential edge (415) which is shaped to rest on the base module (106) outside the receiving area (215). Compressor receiving tray (405) according to one of claims 5 to 8, characterized in that the counter-locking unit (410) is a recess in a wall of the compressor receiving tray (405). Compressor receiving tray (405) according to one of claims 5 to 9, characterized in that the compressor receiving tray (405) is substantially triangular in shape and each wall of the triangularly shaped compressor receiving tray (405) has two counter-locking units (410). Compressor receiving tray (405) according to one of claims 5 to 10, characterized in that the compressor receiving tray (405) has an upper circumferential rim (505), wherein the counter-locking unit (410) is formed by the upper circumferential rim (505). Compressor mounting tray (405) according to one of claims 5 to 11, characterized in that the compressor mounting tray (405) is made of metal. Base module device (400) for a heat pump dryer (100), comprising the following features: a base module (106) according to one of claims 1 to 4; the compressor receiving tray (405) according to one of claims 5 to 12, wherein the counter-locking unit (410) of the compressor receiving tray (405) is locked to the locking unit (220) of the receiving area (215) of the base module (106); and the compressor (108), wherein the compressor base (425) of the compressor (108) is received by the at least one receiving element (420) of the compressor receiving tray (405). Heat pump dryer (100), comprising a heat pump and a floor module device (400) according to claim 13, wherein the compressor (108) of the floor module device (400) is part of the heat pump. Method (800) for manufacturing a base module device (400) for a heat pump dryer (100), the method comprising the following steps: providing (802) a base module (106) and a compressor receiving tray (405) according to one of the preceding claims, and a compressor (108) with at least one compressor foot (425); arranging (806) the compressor (108) on a compressor side of the compressor receiving tray (405), wherein the compressor foot (425) of the compressor (108) is received by the receiving element (420) of the compressor receiving tray (405); and arranging (804) the compressor receiving tray (405) in the receiving area (215) of the base module (106), wherein the counter-locking unit (410) of the compressor receiving tray (405) is locked to the locking unit (220) of the receiving area (215) of the base module (106).

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