WO2014032342A1 - Relay box - Google Patents

Description

 Relay box

 Technical field

 The utility model relates to the technical field of automobile electrical systems, in particular to a relay box arranged in a starting warehouse. Background technique

 With the rapid development of new automotive technologies, electrical system components have become more and more complex, and consumers have increasingly diversified functional requirements for vehicles. In order to meet market demands, it is often necessary to add new electrical functions to already mass-produced automotive products. At this time, the original vehicle relay box can not meet the control requirements for new electrical components, and the relay box needs to be redeveloped, and the original relay box will not be used. Utility model content

 In order to solve the above problems, the present invention proposes a relay box that can be directly added to a car engine.

 In order to achieve the above object, the present invention provides a relay box, comprising: a box body, an upper cover and a lower cover, wherein the upper cover and the lower cover are detachably assembled on a side of the case. a first surface of the casing is fixed with a relay, a fuse, and an L-shaped hole joint, the relay is fixed by a connection terminal, and one end of the fuse and a tail end of the L-shaped hole joint pass a single-head bolt Fixed, the other end of the fuse is fixed by one end of a stud; the joint end of the L-shaped hole joint is placed along a groove on the side of the box; wherein the first side of the box refers to a box The body faces the side of the upper cover.

 The second surface of the box body is fixed with a bridge terminal connecting copper piece, and the bridge terminal connecting copper piece is fixed by the other end of the stud bolt; wherein the second side of the box body refers to the box body facing downward One side of the cover is opposite the first side of the case.

 The side surface of the casing or the side surface of the lower cover is provided with an outlet hole for inputting an input terminal and an output terminal lead of a device such as an L-shaped female connector and a relay.

The relay box provided by the embodiment of the present invention has a relay, a fuse, and an L-shaped hole connector mounted on the first side of the casing, and the bridge terminal connecting copper piece is mounted on the second side of the casing. The relay is fixed on the box body through a terminal, and one end of the fuse and the L-shaped hole joint are electrically connected and fixed on the box body through a single-head bolt, and the joint end of the L-shaped hole type joint is along a groove is disposed on a side of the box body, and the other end of the fuse and the bridge terminal connecting copper piece are electrically connected to the box body through a stud bolt, and the relay is electrically connected to the bridge terminal connecting copper piece. By properly arranging the above components on the box body, the relay box structure is very compact, compact, and space-saving, and can be directly installed in the starting compartment of the original car without modifying the original car relay box.

 In addition, the utility model can install a plurality of relays as needed, and can adopt various connection and combination modes to realize various control modes.

 The utility model can also be installed with a preheating module, and the relay and the preheating module can adopt various connection combinations to realize various functions.

 Preferably, the terminal is a spring-type terminal, and the connection is very flexible, which is beneficial to the renewal and maintenance of the relay.

 Preferably, the single-head bolt is a square head bolt, and the square end end of the square head bolt is fixed on the box body by a baffle or the like, so that when the nut is tightened, the bolt does not rotate with it, so that the fuse and the L-shaped hole type The joint is fixed more tightly and is not easy to loosen.

 Preferably, one end of the fuse and the tail end of the L-shaped female connector are fixed on the single-head bolt by an M5 self-locking nut, and the other end of the fuse is also fixed to a double head by an M5 self-locking nut. One end of the bolt; the bridging terminal connecting copper piece is fixed on the other end of the stud bolt by an M6 self-locking nut, and the self-locking nut can prevent loosening due to vibration or the like during use, so that the connection is reliable, especially For the fuse, it is possible to avoid power supply problems such as overload and poor contact due to looseness of the fuse.

 Further, the upper cover and the lower cover of the relay box are detachably assembled on the side of the casing by the buckle, so that the relay box is not easily loosened due to the shaking of the vehicle body, and is convenient for installation and maintenance.

 Further, the side wall of the box body is provided with a bracket inserting plate, which can be installed in different positions in the original car launching bin by setting corresponding brackets, and the installation flexibility is high, and the original car is upgraded, and the upgrade cost is reduced. .

Further, a protrusion for fixing the wire harness is arranged beside the outlet port, and the incoming and outgoing wire harness can be neatly fixed, and the relay box can be easily installed and maintained. DRAWINGS

 1 is a schematic structural view of an embodiment of a relay box of the present invention

 2 is a bottom view of the casing of the embodiment of the relay box of the present invention.

 FIG. 3 is a schematic view showing the installation of the bracket insert plate of the embodiment of the relay box of the present invention.

 4 is a schematic view of the buckle and the outlet hole of the embodiment of the relay box of the present invention.

 Fig. 5 is a circuit diagram showing an embodiment of a relay box of the present invention, in which only one relay is mounted in the relay box.

 Fig. 6 is a circuit diagram showing still another embodiment of the relay box of the present invention, in which two relays are mounted in the relay box.

 Fig. 7 is a circuit diagram showing another embodiment of the relay box of the present invention, in which a relay and a preheating module are installed in the relay box. detailed description

 The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are intended to be illustrative of the invention and are not to be construed as limiting.

 As shown in FIG. 1-2, an embodiment of the relay box of the present invention includes: a casing 11, an upper cover 5, and a lower cover 13, and the upper cover 5 and the lower cover 13 are detachably assembled to the casing 11. On the side.

 The first side of the casing 11 is fixed with two 70A relays 7 and 8 through spring-type terminals (not shown), and a 70A fuse 3 and an L-shaped female connector 4 are fixed by bolts, the 70A fuse One end of the third end and the end of the L-shaped female connector 4 are fixed to a lag bolt 17 by an M5 self-locking nut 21, and the other end of the 70A fuse 3 is fixed to a double by an M5 self-locking nut 2. One end of the head bolt 1; the joint end of the L-shaped hole joint 4 is placed along a groove on the side of the case.

The second surface of the casing 11 is fixed with a bridge terminal connecting copper piece 16 by bolts, and the bridge terminal connecting copper piece 16 is fixed to the other end of the stud bolt 1 by an M6 self-locking nut 15. As shown in FIG. 4, a lower portion of the side surface of the casing 11 is provided with an outlet hole, and an upper portion of the side surface of the lower cover 13 is also provided with a outlet hole with respect to a position of the outlet hole on the casing 11, and the two outlet holes are connected. A larger outlet hole 19 is formed.

 In this embodiment, a fuse and two relays are installed. Due to its compact structure, compact size and space saving, the volume is only 860mm 610mm 850mm, and can be directly installed in the starting compartment of the original car without modifying the original car relay box.

 The 70A relays 7 and 8 are fixed by spring-loaded terminals. This connection is very flexible and facilitates the renewal and maintenance of the relay box.

 The square end of the lag bolt 17 is fixed to the casing 11 by a baffle plate, so that when the nut is tightened, the bolt does not rotate with it, so that the 70A fuse 3 and the L-shaped hole joint 4 are more tightly fixed. Not easy to loose.

 The 70A fuse 3 is fixed on the bolt by two M5 self-locking nuts, and the connection is reliable, and the power supply problem such as overload and poor contact of the 70A fuse 3 due to looseness can be avoided.

 As shown in FIG. 1 and FIG. 4, the upper cover 5 is assembled on the side of the casing 11 by two buckles 6. The two buckles 6 are respectively disposed on the opposite side walls of the upper cover 5, and two The corresponding protrusions 9 of the buckles are disposed on the upper part of the outer wall of the side of the casing 11; the lower cover 13 is assembled on the side of the casing 11 by three buckles 14 on both sides of the outlet hole of the lower cover 13 A buckle 14 is respectively disposed on the side outer wall of the lower cover opposite to the outlet hole, and a buckle 14 corresponding to the three buckles is disposed on a lower portion of the outer wall of the side of the casing 11; The upper and lower covers of the relay box are assembled on the side of the box body, so that the relay box is not easily loosened due to the body sway, and is easy to install and maintain.

 As shown in FIG. 1 and FIG. 3, the side wall of the box body is provided with a bracket inserting board 10, which can be installed at different positions in the original vehicle launching bin by setting corresponding brackets 18, and the installation flexibility is high, and the original is convenient. The car is upgraded to reduce upgrade costs.

 As shown in Fig. 4, a protrusion 20 for fixing the wire harness is provided beside the outlet port, and the incoming and outgoing wire harnesses can be neatly fixed, and the relay box can be easily installed and maintained.

In a specific embodiment, one or two relays, or even multiple relays, may be provided as needed, and a plurality of connection combinations may be employed to implement various control modes. As shown in Figure 5 and Figure 6: The fuse 3 - end is electrically connected to the positive pole of the battery 31 through the L-shaped female connector 4, and the other The terminal is connected to the copper pin 16 through the bridge terminal and electrically connected to the 30th pin of the relay 7, 32 is the controller of the relay, and 33 is the electric appliance controlled by the relay. As shown in Fig. 5, a circuit diagram in which only one relay is mounted is used, and the spring terminal for connecting the second relay is vacant. As shown in Fig. 6, a circuit diagram for installing two relays is shown, and two relays 7 and 8 are connected in series. 5 and FIG. 6 are only schematic. In practical applications, two relays may be connected in parallel, or may be controlled by different controllers, or control different electrical appliances. Those skilled in the art may conceive different connections according to actual needs. Method, no more details here.

 In another embodiment, a relay and a preheating module may also be provided as needed. As shown in FIG. 7, a PWM preheating module 22 is installed at a position where the relay 7 is originally installed, and the preheating module 22 and the relay 8 are connected in series. The fuse 3 is connected to the preheating module 22 through the bridge terminal connecting the copper piece 16, so that a large current can be passed. The electric appliance 33 is a load that needs to be preheated, the preheating module 22 preheats the electric appliance 33, and the relay 8 is used to control the warming up work. Of course, the preheating module does not necessarily need to be connected in series with the relay, and the two do not necessarily need to be connected to the same electrical device. Those skilled in the art can imagine different connection methods according to the actual application, which will not be described here.

 The structure, features and effects of the present invention are described in detail above with reference to the embodiments shown in the drawings. The above description is only a preferred embodiment of the present invention, but the present invention does not limit the implementation scope as shown in the drawings. Any changes to the embodiments of the present invention, or equivalents to the equivalents, should be made without departing from the spirit and scope of the invention.

Claims

Rights request A relay box characterized by comprising:  a first body and a second side of the box body, the upper cover and the lower cover are detachably assembled on a side of the box body;  a first surface of the casing is fixed with a relay, a fuse, and an L-shaped hole joint, the relay is fixed by a connection terminal, and one end of the fuse and a tail end of the L-shaped hole joint pass a single-head bolt Fixed, the other end of the fuse is fixed by one end of a stud; The joint end of the L-shaped hole joint is placed along the groove on the side of the box body;  The second surface of the box body is fixed with a bridge terminal connecting copper piece, and the bridge terminal connecting copper piece is fixed by the other end of the stud bolt;  The side surface of the casing and/or the side of the lower cover are provided with outlet holes.  The relay box according to claim 1, wherein: the first side of the relay case is further provided with a preheating module.  The relay box according to claim 2, wherein the relay is connected in parallel or in series with the preheating module.  The relay box according to claim 1, wherein the terminal is a spring type terminal.  The relay box according to claim 1, wherein the single head bolt is a square head bolt.  The relay box according to claim 1, wherein: one end of the fuse and a tail end of the L-shaped female connector are fixed to the single-head bolt by an M5 self-locking nut, and the fuse is another One end is attached to one end of a stud by another M5 self-locking nut.  The relay box according to claim 1, wherein: the bridge terminal connecting copper piece is fixed to the other end of the stud bolt by an M6 self-locking nut.  The relay box according to claim 1, wherein the upper cover and the lower cover are detachably assembled to the side of the case by a snap. The relay box according to claim 1, wherein a bracket inserting plate is disposed on a side outer wall of the casing. 10. The relay box according to claim 1, wherein: a protrusion for fixing the wire harness is provided beside the outlet port.