Assembly, in particular telematics box for a vehicle

Abstract

Assembly (1) comprising an electronic subassembly (101) and an emergency power supply subassembly (201), - wherein the electronic subassembly (101) comprises an electronic housing (102) and control electronics (103), - wherein the electronic housing (102) includes an interior housing compartment (102c) for the control electronics (103), where - the emergency power supply sub-assembly (201) comprises a power supply housing (203) and an emergency power source (202) and - the emergency power source (202) is housed in an interior space (203c) of the power supply housing (203), characterized in that that the assembly (1) comprises a seal (301), wherein the seal (301) is arranged between the electronics housing (102) and the supply housing (203) when the assembly (1) is completed, wherein the seal (301) is ring-shaped and wherein the seal (301) is arranged such that it runs between a cover (203b) of the supply housing (203) and the electronics housing (102) and seals the receiving space (108) against an environment (U), and that the supply housing (203) is detachably snapped onto the electronics housing (102) by means of at least one snap-fit ​​device (302) such that the supply housing (203) is pressed against the electronics housing (102) under elastic deformation of the seal (301), wherein the snap-fit ​​device (302) in particular comprises a snap-fit ​​receptacle (249) and a snap-fit ​​element (149), and / or characterized by this that the electronic subassembly (101) comprises a multipole electrical contact unit (107), wherein the contact unit (107) is arranged in the receiving space (108), and that the emergency power supply subassembly (201) comprises a multipole electrical mating contact unit (204), wherein, when the assembly 81) is complete, an electrical connection (2) is established between the control electronics (103) of the electronic subassembly (101) and the emergency power source (202) of the emergency power supply subassembly (201) via the contact unit (107) and the mating contact unit (204), and that the contact unit (107) is designed as the first tongue (142) and that the counter-contact unit (204) is designed as the second tongue (242), wherein the two tongues (142, 242) lie on top of each other in the completed state of the assembly (1), and / or that the contact unit (107) is arranged in an anteroom (102d) of the receiving space (108) and that the mating contact unit (204) in the completed state of the assembly (1) projects into the anteroom (102d) formed in the electronic housing (102). and / or that the supply housing (203) includes a leg (248) with which the supply housing (203), in the completed state of the assembly (1), encompasses the electronic housing (102) outside the receiving space (108), in particular such that the mating contact unit (204) is pressed against the contact unit (107).

Description

[0001] The invention relates to an assembly, in particular a telematics box for a vehicle, according to the preamble of claim 1.

[0002] From DE 10 2012 002 953 A1, a component assembly for a vehicle is known. This assembly comprises an electronics housing and an emergency power source, wherein an electronics sub-assembly comprises the electronics housing and control electronics, and wherein the electronics housing includes an interior space for the control electronics.

[0003] Further embodiments of assemblies are disclosed in DE 298 22 162 U1, FR 3 061 684 B1 and DE 10 2005 013 351 A1.

[0004] The object of the invention is to propose an assembly, in particular a telematics box for a vehicle, in which an emergency power source can be easily installed and removed, and in which both the emergency power source and the entire assembly nevertheless meet high protection requirements with regard to sealing against moisture and dust.

[0005] This problem is solved by means of the characterizing features of claim 1, starting from the features of the preamble of claim 1. Advantageous and expedient embodiments are specified in the dependent claims.

[0006] The assembly according to the invention, in particular a telematics box for a vehicle, comprises an emergency power supply sub-assembly, wherein the emergency power supply sub-assembly includes a power supply housing and the emergency power source, and wherein the emergency power source is housed in an interior space of the power supply housing. Such encapsulation of the emergency power source protects it against dust and moisture, and allows the emergency power source, as an emergency power supply sub-assembly with defined dimensions, to be connected to the electronic sub-assembly in such a way that high-quality protection against dust and moisture is also ensured.

[0007] According to a first aspect of the invention, the assembly also includes a seal, wherein the seal, when the assembly is complete, is arranged between the electronics housing and the power supply housing, wherein the seal is ring-shaped and wherein the seal is arranged such that it runs between a cover of the power supply housing and the electronics housing and seals the receiving space against the environment. This ensures a particularly good seal of the receiving space and the electrical connection arranged therein against environmental influences and, in particular, against dust and moisture.In accordance with the first aspect, it is also provided that, when the assembly is complete, the power supply housing is detachably snapped to the electronics housing by means of at least one snap-fit ​​device such that the power supply housing is pressed against the electronics housing under elastic deformation of the seal, the snap-fit ​​device comprising in particular a snap-fit ​​receptacle and a snap-fit ​​element. This ensures a reliable seal against dust and moisture, especially in the event of temperature fluctuations and vibrations such as those that occur when the assembly is operated in vehicles.

[0008] It is also provided that the electronics housing of the electronics sub-assembly includes a trough-like receiving compartment, and that the power supply housing, when the assembly is completed, is received in this receiving compartment in such a way that it closes an opening of the receiving compartment. This ensures a compact design for the assembly, in which the emergency power supply sub-assembly is protected.

[0009] Furthermore, alternatively or additionally to the first aspect, according to a second aspect of the invention, the electronic subassembly comprises a multi-pole electrical contact unit, wherein the contact unit is arranged in the receiving space, and the emergency power supply subassembly comprises a multi-pole electrical mating contact unit, wherein, when the assembly is complete, an electrical connection is established between the control electronics of the electronic subassembly and the emergency power source of the emergency power supply subassembly via the contact unit and the mating contact unit. The arrangement of the contact unit in the receiving space ensures that the electrical connection is protected from environmental influences.

[0010] Furthermore, a ring-shaped retaining groove is provided on the cover of the power supply housing or on the electronics housing, in which the seal is already held before the power supply housing and the electronics housing are assembled. This simplifies the assembly or insertion of the emergency power supply sub-assembly into the receiving space, as the seal does not need to be handled additionally during insertion.

[0011] According to a first sub-aspect of the second aspect, the invention also provides that the contact unit is designed as the first tongue and that the mating contact unit is designed as the second tongue, wherein the two tongues lie against each other in the completed state of the assembly and thereby make contact with each other. The design of the contact unit and the mating contact unit as tongues enables a contacting movement which deviates from a linear movement and is executed in particular as a pivoting movement.

[0012] Furthermore, alternatively or additionally to the first sub-aspect according to a second sub-aspect relating to the second aspect, it is provided that the contact unit is arranged in an anteroom of the receiving space and that the counter-contact unit projects into the anteroom formed in the electronic housing in the completed state of the assembly.

[0013] This makes the contact unit easily accessible and allows for visual inspection even with the emergency power supply sub-assembly removed.

[0014] Alternatively or additionally to the first sub-aspect and / or alternatively or additionally to the second sub-aspect, according to a third sub-aspect of the second aspect, it is also provided that the supply housing comprises a leg with which, in the completed state of the assembly, the supply housing engages the electronic housing outside the receiving space, in particular in such a way that the mating contact unit is pressed against the contact unit. This ensures reliable cohesion of the two sub-assemblies in a structurally simple manner.

[0015] Furthermore, it is designed that, once the assembly is complete, the power supply housing is positioned within the electronics housing in such a way that the external dimensions of the electronics housing remain virtually unchanged. This ensures that the emergency power supply sub-assembly is mechanically protected within the electronics sub-assembly, thus providing reliable protection against mechanical stresses that could compromise the seal.

[0016] Finally, the invention provides that the interior of the power supply housing and / or the housing interior and / or the receiving space in which the electrical connection between the electronic sub-assembly and the emergency power supply sub-assembly is arranged is sealed against an environment corresponding to at least protection class IP52, and in particular at least to protection class IP56, and most preferably to protection class IP64. This ensures that the assembly remains functional for as long as possible, even in the event of a vehicle accident or flooding, where the vehicle is subjected to increased stress from water ingress, in order to, for example, send emergency calls.

[0017] Further details of the invention are described in the drawing with reference to schematically illustrated embodiments.

[0018] This shows: Fig. 1a - 1c: a bottom view, a front view and a side view of an embodiment according to the invention of a fully assembled module comprising an electronic sub-assembly and an emergency power supply sub-assembly; Fig. 2a: an exploded view of the in the Fig. 1 emergency supply sub-assembly shown; Fig. 2b: a sectional view through the area in the Fig. 2a Emergency supply sub-assembly shown in assembled state; Fig. 2c: a side view of the area in the Fig. 2a Emergency supply sub-assembly shown in assembled state; Fig. 3a to 3d: a movement sequence during the assembly of the emergency power supply sub-assembly on the electronics sub-assembly.

[0019] In the Fig. Figures 1a to 1c show a variant embodiment of assembly 1 in a bottom view, a front view, and a side view. Assembly 1 comprises an electronics sub-assembly 101 and an emergency power supply sub-assembly 201 integrated within the electronics sub-assembly 101. The Fig. 1b a front view of the representation of Fig. 1a. Here, the Fig. 1c a side view from the right of the representation of the Fig. 1a, where the side view is in the Fig. 1c is oriented vertically. Assembly 1 is designed as a telematics box TB for a vehicle F.

[0020] The electronic subassembly 101 comprises an electronic housing 102, which is located in the Fig. 1a is shown broken open. The electronic subassembly 101 further comprises a control electronics unit 103 and antennas 104a, 104b shown by way of example. The control electronics unit 103 comprises a printed circuit board 105 and electronic components 106a, 106b shown only by way of example. The control electronics unit 103 further comprises a multipole electrical contact unit 107, which is arranged on the printed circuit board 105, wherein the contact unit 107 is in the Fig. Figures 3a to 3d are visible, showing sections of the electronic subassembly 101 in cross-section.

[0021] According to one embodiment, it is also possible to arrange at least one of the antennas away from the circuit board and to connect it to the circuit board via electrical lines.

[0022] The electronics housing 102 comprises an upper housing part 102a and a lower housing part 102b, which, within a fully enclosed interior housing space 102c, accommodate the control electronics 103 and the antennas 104a, 104b. The electronics housing 102 further comprises a receiving compartment 108, designed in the form of a receiving pocket 109, which is intended for receiving the emergency power supply sub-assembly 201 (see in particular also Fig. 3a to 3d). The receiving chamber 108 includes an antechamber 102d in which the contact unit 107 is arranged with the electronic subassembly 101 assembled, such that its three contacts 107a, 107b, 107c are accessible from the receiving chamber 108, towards which the antechamber 102d opens. The contact unit 107 is designed as a first tongue 142. This first tongue 142 is formed by the circuit board 105, which extends from the interior of the housing 102c into the antechamber 102d between the upper housing part 102a and the lower housing part 102b.

[0023] The emergency supply sub-unit 201, which is located in the Fig. 1a to 1c are only visible when installed, is in the Fig. 2a in exploded view and in the Fig. 2b and Fig. 2c shown in sectional and side view. The emergency power supply sub-assembly 201 comprises an emergency power source 202, which is formed by two accumulators, a power supply housing 203 and a mating contact unit 204, which is connected by means of a cable 205 (see Fig. 2b) is connected to the emergency power source 202. The supply housing 203 comprises a mounting box 203a and a cover 203b. The emergency power source 202 is housed in an interior space 203c enclosed by the mounting box 203a and the cover 203b. Opposite the mounting box 203a and the cover 203b, a projection 241a and a projection 241b are formed. In the assembled state of the emergency power supply sub-assembly 201, these, together with three contacts 204a to 204c, form the mating contact unit 204. The mating contact unit 204 is designed as a second tongue 242. The cover 203b is bonded or welded to the mounting box 203a in a watertight manner.

[0024] Assembly 1 also includes a seal 301. This seal 301 is present when assembly 1 is assembled (see Fig. 1 or 3d) between the electronic sub-assembly 101 and the emergency power supply sub-assembly 201 are arranged such that they form a sealing connection with both sub-assemblies 101 and 201 and, when the emergency power supply sub-assembly 201 is installed, seal the receiving space 108 against the environment U. An electrical connection 2, established between the sub-assemblies 101 and 201 via the contact unit 107 and the mating contact unit 204, is located in the receiving space 108, which is sealed by the seal 301. Similarly, the anteroom 102d in the electronic housing 102 is also sealed against dust and moisture from the environment U that could penetrate via the receiving space 108 (see also Fig. 3d).

[0025] To retain the seal 301 during the assembly of the emergency power supply sub-assembly 201 on the electronics sub-assembly 101, the supply housing 203 includes on its cover 203b a ring-shaped retaining groove 203e that determines the course of the seal 301 (see in particular Fig. 2a). Here, the retaining groove 203e on three sides 243, 244 and 244 of the cover 203b opens to an opening 108a (see Fig. 3a) of the recording chamber 108 opened in the z-direction and on a fourth side 246 of the cover 203b opened in an opposite z'-direction, pointing away from the opening 108a of the recording chamber 108.

[0026] On three sides 143, 144, 145 of the opening 108a of the receiving chamber 108, the electronics housing 102 forms a bridge 102e (see in particular Fig. 3b) with which the electronics housing 102 rests against the seal 301 when the emergency power supply sub-assembly 210 is mounted. The concealed web 102e is in the Fig. 1a is schematically indicated by dashed lines. On a fourth side 146 of the opening 108a of the receiving space 108, the electronics housing 102 forms a rib-like projection 147 that reduces the size of the opening 108a of the receiving space 108. The seal 301 lies beneath this projection when the emergency power supply sub-assembly 201 is installed. The seal 301 then rests against a lower surface 147a of the projection 147, which forms a cover for a fourth section 247d of the retaining groove 203e formed on the fourth side 246 of the cover 203b. To achieve a good sealing effect when the emergency power supply sub-assembly 201 is fully installed in the receiving space 108, the seal 301 is elastically deformed (see Fig. 3d).

[0027] As from the Fig. As can be seen in Figures 2a to 3d, the cover 203b comprises a leg 248, which forms a locking receptacle 249. This receptacle interacts with a locking element 149 formed on the electronics housing 102 in such a way that the cover 203b, with its fourth section 247d bearing against the retaining groove 203e and the seal 301 interposed, engages the locking element 149. In this fully assembled position, the seal 301 is pressed against the web 102e of the electronics housing by means of its retaining groove 203e, which extends along the first to third sides 243, 244, 245 of the cover 203b. The locking element 149 and the locking receptacle 249 form a locking device 302.

[0028] In summary, the Fig. Figures 3a to 3d show how the emergency power supply sub-assembly 201 is first inserted diagonally from below into the receiving space of the electronic sub-assembly mounted on the underside of a schematically drawn roof D of the vehicle F (see Fig. 3a). During this movement, the emergency power supply sub-assembly 201 with the pre-assembled seal 301 comes into contact with the underside 147a of the projection 147 of the electronics housing 102 (see Fig. 3b). Subsequently, the emergency supply sub-unit 201 is swung further into reception room 108 (see Fig. 3c). In this process, the counter-contact unit 204, which was already pushed into the anteroom 102d when the emergency supply sub-assembly 201 was inserted, is fully swung into place (see ). Fig. 3c and Fig. 3d) to the contact unit 107 arranged in the anteroom 102d, so that in the fully assembled position the contact unit 107 and the counter-contact unit 204 are electrically connected to each other.

[0029] As from the Fig. As can be seen in Figures 1a to 1c, the electronics housing 102 has the external dimensions of a cuboid, defined by a length L102, a height H102, and a width B102. These external dimensions are independent of whether the power supply housing 203 is included in the electronics housing 102 or not. Reference symbol list: 1 assembly 2 electrical connection 101 Electronic subassembly 102 electronic enclosures out of 101 102a Housing top part of 102 102b Lower housing part of 102 102c fully enclosed housing interior of 102 102d Anteroom of 102 102e Bridge at 102 103 Control electronics 104a, 104b antenna 105 circuit board 106a, 106b electronic component 107 multipole electrical contact unit 107a - 107c Contact from 107 108 Recording Room 108a Opening of 108 109 Recording bag 142 first tongue 143 - 145 Pages 1 to 3 of 108a 146 4th page of 108a 147 lead over 102 147a Underside of 147 148 (not recorded) 149 Latching element 201 Emergency Supply Subassembly 202 Emergency power source 203 Supply housings 203a Recording Box 203b Lid 203c Interior 203d (not assigned) 203e ring-shaped retaining groove 203f (not documented) 204 Counter contact unit 204a - 204c Contact from 204 205 cables between 204 and 202 241a advantage of 203a 241b advantage over 203b 242 second tongue 243 - 245 Pages 1 to 3 of 203b 246 Page 4 of 203b 247d Section 4 of 203e 248 thighs of 203b 249 Rastaufnahme an 203b 301 Seal 302 Locking device B102 Width of 102 L102 Length of 102 H102 Length of 102 The roof of F F vehicle TB Telematics Box U surroundings x, y, z spatial directions

Claims

[1] Assembly (1) comprising an electronic subassembly (101) and an emergency power supply subassembly (201), - wherein the electronic subassembly (101) comprises an electronic housing (102) and control electronics (103), - wherein the electronic housing (102) includes an interior housing compartment (102c) for the control electronics (103), where - the emergency power supply sub-assembly (201) comprises a power supply housing (203) and an emergency power source (202) and - the emergency power source (202) is housed in an interior space (203c) of the power supply enclosure (203), characterized by , that the assembly (1) comprises a seal (301), wherein the seal (301) is arranged between the electronics housing (102) and the supply housing (203) when the assembly (1) is completed, wherein the seal (301) is ring-shaped and wherein the seal (301) is arranged such that it runs between a cover (203b) of the supply housing (203) and the electronics housing (102) and seals the receiving space (108) against an environment (U), and that the supply housing (203) is detachably snapped onto the electronics housing (102) by means of at least one snap-fit ​​device (302) such that the supply housing (203) is pressed against the electronics housing (102) under elastic deformation of the seal (301), wherein the snap-fit ​​device (302) in particular comprises a snap-fit ​​receptacle (249) and a snap-fit ​​element (149), and / or characterized by , that the electronic subassembly (101) comprises a multipole electrical contact unit (107), wherein the contact unit (107) is arranged in the receiving space (108), and that the emergency power supply subassembly (201) comprises a multipole electrical mating contact unit (204), wherein, when the assembly 81) is complete, an electrical connection (2) is established between the control electronics (103) of the electronic subassembly (101) and the emergency power source (202) of the emergency power supply subassembly (201) via the contact unit (107) and the mating contact unit (204), and that the contact unit (107) is designed as the first tongue (142) and that the counter-contact unit (204) is designed as the second tongue (242), wherein the two tongues (142, 242) lie on top of each other in the completed state of the assembly (1), and / or that the contact unit (107) is arranged in an anteroom (102d) of the receiving space (108) and that the mating contact unit (204) in the completed state of the assembly (1) projects into the anteroom (102d) formed in the electronic housing (102). and / or that the supply housing (203) includes a leg (248) with which the supply housing (203), in the completed state of the assembly (1), encompasses the electronic housing (102) outside the receiving space (108), in particular such that the mating contact unit (204) is pressed against the contact unit (107). [2] Assembly according to claim 1, characterized by , that the electronic housing (102) of the electronic subassembly (101) includes a trough-like receiving space (108) and that the supply housing (203) in the completed state of the assembly (1) is received in the receiving space (108) of the electronic housing (102) in such a way that it closes an opening (108a) of the receiving space (108). [3] Assembly according to claim 1 or 2, characterized by , that a ring-shaped retaining groove (203e) is formed on the cover (203b) of the supply housing (203) or on the electronic housing (102), in which the seal (301) is already held before the supply housing (203) and the electronic housing (102) are assembled. [4] Assembly according to at least one of the preceding claims, characterized by , that the supply housing (203) when the assembly (1) is completed is received in the receiving space (108) of the electronic housing (102) in such a way that the external dimensions (W102, H102, L102) of the electronic housing (102) remain approximately unchanged. [5] Assembly according to at least one of the preceding claims, characterized by, that the interior (203c) of the supply housing (203) and / or the housing interior (102c) and / or the receiving space (108) in which the electrical connection (2) between the electronic sub-assembly (101) and the emergency supply sub-assembly (201) is arranged is sealed against an environment at least in accordance with protection class IP52 and in particular at least in accordance with protection class IP56 and particularly preferably in accordance with protection class IP64. [6] Assembly according to at least one of the preceding claims, characterized by , that the electronic subassembly (101) includes antennas (104a, 104b).

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