CN216942964U

CN216942964U - Tractor PDU fuse box

Info

Publication number: CN216942964U
Application number: CN202220367377.0U
Authority: CN
Inventors: 胡遵强; 管海川; 李学顺; 单坤山; 邵明新
Original assignee: Weichai Lovol Heavy Industry Co Ltd
Current assignee: Weichai Lovol Intelligent Agricultural Technology Co Ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-07-12
Anticipated expiration: 2032-02-22

Abstract

The utility model relates to the technical field of tractor circuit control, in particular to a tractor PDU fuse box, which comprises a fuse box body, a fuse box base, a fuse box top cover, a power supply main relay, a power supply distribution part and a fuse piece, wherein the fuse box base is fixedly arranged at the bottom of the fuse box body, and the fuse box top cover is detachably and fixedly arranged at an opening at the top of the fuse box body; the power supply main relay is fixedly arranged in the fuse box body; and one contact end of the power supply main relay is electrically connected with a power supply distribution part arranged in the fuse box body, and the power supply distribution part is electrically connected with one end of each of the plurality of fuse pieces. The utility model has the beneficial effects that: integrate the tractor power distribution through the fuse box, every rupture disk connects circuit all the way, ensures the security of each circuit to through setting up power main relay, realize the long-range outage of whole circuit, simplify driver's outage operation, realize the distribution function of long-range outage function and power.

Description

Tractor PDU fuse box

Technical Field

The utility model relates to the technical field of tractor circuit control, in particular to a tractor PDU fuse box.

Background

Tractors are self-propelled power machines used to pull and drive work machines to perform various mobile operations, and are widely used in engineering and agricultural operations. The power supply of the whole tractor in the prior art mostly uses a mechanical large brake switch to power off, needs to be close to manually start or power off, and cannot realize remote control. In the use of tractor, the battery needs to supply power for whole car power, preheating power, generator and ECU power, and this just needs to set up more complicated many power cords and connects the battery respectively, and the wiring is complicated, is unfavorable for power equipment's integration.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tractor PDU fuse box, which is convenient for distribution and integration of tractor power and can realize a remote power-off function.

The technical scheme for solving the technical problems is as follows: a tractor PDU fuse box comprises a fuse box body, a fuse box base, a fuse box top cover, a power supply main relay, a power supply distribution part and a fuse piece, wherein the fuse box base is fixedly arranged at the bottom of the fuse box body, and the fuse box top cover is detachably and fixedly arranged at an opening at the top of the fuse box body; the power supply main relay is fixedly arranged in the fuse box body, and one contact end of the power supply main relay is used for being electrically connected with a main cable of the storage battery; the other contact end of the power supply main relay is electrically connected with a power supply distribution part arranged in the fuse box body, and the power supply distribution part is electrically connected with one end of each of the fuse pieces.

The utility model has the beneficial effects that: integrate the tractor power distribution through the fuse box, every rupture disk connects circuit all the way, ensures the security of each circuit to through setting up power main relay, realize the long-range outage of whole circuit, simplify driver's outage operation, realize the distribution function of long-range outage function and power.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, this internal fixed main power source interface bolt that is equipped with of fuse box, be equipped with first connecting hole on the contact end of power main relay, main power source interface bolt passes and stretches out first connecting hole, just main power source interface bolt with the contact end electric connection of power main relay.

The beneficial effect of adopting the further scheme is that: the main power source interface bolt is arranged at the contact end for connecting the main cable of the storage battery and the main power source relay, so that the main cable of the storage battery can be conveniently connected, and the stability of the electric connection between the contact end of the main power source relay and the main cable of the storage battery is improved.

Further, this internal fixed first distribution spare fixing bolt that is equipped with of fuse box, be equipped with the second connecting hole on the other contact end of power main relay, be equipped with the third connecting hole on the power distribution spare, the one end of first distribution spare fixing bolt passes in proper order and stretches out the third connecting hole with behind the second connecting hole and first lock nut threaded connection.

The beneficial effect of adopting the further scheme is that: first distribution part fixing bolt's setting can fixed mounting power distribution part and power main relay on the one hand, and on the other hand improves the reliability of the electric connection of power distribution part and power main relay.

Furthermore, be equipped with a plurality of fourth connecting holes on the power distribution spare, this internal fixed of fuse box is equipped with a plurality of second distribution spare fixing bolt, one of rupture disc is served and is equipped with the fifth connecting hole, the one end of second distribution spare fixing bolt passes in proper order the fourth connecting hole with behind the fifth connecting hole with second lock nut threaded connection.

The beneficial effect of adopting the further scheme is that: the arrangement of the second distribution part fixing bolt is convenient for the installation of the power distribution part and the electric connection with the safety disc.

Further, this internal fixed a plurality of rupture discs fixing bolt that are equipped with of fuse box, be equipped with the sixth connecting hole on the other end of rupture disc, rupture disc fixing bolt's one end passes and stretches out the sixth connecting hole, rupture disc fixing bolt with the rupture disc one-to-one electricity is connected.

The beneficial effect of adopting the further scheme is that: the safety piece fixing bolt is convenient to install the safety piece, the reliability of electric connection between the power distribution part and the safety piece is further improved, and on the other hand, the safety piece is convenient to wire with an external circuit.

Furthermore, a plurality of connectors are arranged on the side edge of the fuse box body, and the connectors are arranged close to the fuse piece fixing bolts in a one-to-one correspondence mode.

The beneficial effect of adopting the above further scheme is: the setting of connector is convenient for the electricity of rupture disc and outside cable.

Further, still include the electricity piece of getting always, the one end of getting always the electricity piece is used for being connected with battery owner cable electricity, and the other end is used for the electricity to connect danger alarm lamp.

The beneficial effect of adopting the further scheme is that: the setting of normal electricity piece of getting power is used for the power supply of tractor danger warning light, satisfies the tractor and still can use the demand of danger warning light after whole car outage.

Drawings

FIG. 1 is an exploded view of the present invention, without the fuse box top cover shown;

FIG. 2 is a top view of the internal structure of the fuse box body according to the present invention;

FIG. 3 is a top view of the present invention;

fig. 4 is a schematic diagram of a power supply main relay in the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a fuse box body; 2. a fuse box base; 3. a fuse box top cover; 4. a power supply main relay; 5. a power distribution member; 6. a safety disc; 7. a main power source interface bolt; 8. a first connection hole; 9. a first fitting fixing bolt; 10. a second connection hole; 11. a third connection hole; 12. a first lock nut; 13. a fourth connecting hole; 14. a second sub-assembly fixing bolt; 15. a fifth connecting hole; 16. a second lock nut; 17. a rupture disc fixing bolt; 18. a sixth connection hole; 19. a connecting port; 20. a normal electricity taking piece; 21. an elastic pad.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1, 2, and 3, an embodiment of the utility model includes a fuse box body 1, a fuse box base 2, a fuse box top cover 3, a power main relay 4, a power distribution part 5, and a fuse piece 6, where the fuse box base 2 is fixedly disposed at the bottom of the fuse box body 1, the fuse box base 2 is fixedly connected with the fuse box body 1 through a screw, the fuse box top cover 3 is detachably and fixedly disposed at a top opening of the fuse box body 1, and is used to cover the top opening of the fuse box body 1, and the fuse box top cover 3 is detachably and fixedly connected with the fuse box body 1 through a snap connection; the power supply main relay 4 is fixedly arranged in the fuse box body 1, and one contact end of the power supply main relay 4 is used for being electrically connected with a main cable of the storage battery; the other contact end of the power supply main relay 4 is electrically connected with a power supply distribution part 5 arranged in the fuse box body 1, and the power supply distribution part 5 is electrically connected with one end of each of a plurality of fuse pieces 6. In the present embodiment, a groove for placing the power main relay 4, the power distribution member 5 and the safety plate 6 is provided in the fuse box body 1 to facilitate positioning and installation.

In this embodiment, fuse block body 1 internal fixation is equipped with main power source interface bolt 7, main power source interface bolt 7's one end is fixed to be established on the fuse block base 2, be equipped with first connecting hole 8 on the contact end of power main relay 4, main power source interface bolt 7 passes and stretches out first connecting hole 8, just main power source interface bolt 7 with the contact end electric connection of power main relay 4. The main power source interface bolt 7 is arranged at the contact end for connecting the main cable of the storage battery and the main power source relay 4, so that the main cable of the storage battery can be conveniently connected, and the stability of the contact end of the main power source relay 4 and the electric connection of the main cable of the storage battery can be improved.

Preferably, fuse block body 1 internal fixation is equipped with first distribution part fixing bolt 9, the one end of first distribution part fixing bolt 9 is fixed to be established on fuse block base 2, be equipped with second connecting hole 10 on another contact of power main relay 4, be equipped with third connecting hole 11 on the power distribution part 5, the one end of first distribution part fixing bolt 9 passes in proper order and stretches out third connecting hole 11 with behind the second connecting hole 10 with first lock nut 12 threaded connection. An elastic gasket 21 is arranged between the first locking nut 12 and the contact end of the power main relay 4, and is used for preventing the damage of the first distribution part fixing bolt 9 pre-embedded in the fuse box base 2 caused by overlarge torsion force during the first locking nut 12. Be equipped with a plurality of fourth connecting holes 13 on the power distribution part 5, fuse box body 1 internal fixation is equipped with a plurality of second distribution part fixing bolt 14, one of rupture disc 6 is served and is equipped with fifth connecting hole 15, the one end of second distribution part fixing bolt 14 passes in proper order fourth connecting hole 13 with behind the fifth connecting hole 15 with 16 threaded connection of second lock nut, second lock nut 16 with rupture disc 6 or be equipped with elastic gasket 21 between the power distribution part 5 for torsion is too big when preventing second lock nut 16 leads to pre-buried second distribution part fixing bolt 14 at fuse box base 2 to damage. The first distribution member fixing bolt 9 is provided to fixedly mount the power distribution member 5 and the power main relay 4 on the one hand, and to improve the reliability of the electrical connection between the power distribution member 5 and the power main relay 4 on the other hand, and the second distribution member fixing bolt 14 is provided to facilitate the mounting of the power distribution member 5 and the electrical connection with the rupture discs 6.

Preferably, 1 internal fixation of fuse box body is equipped with a plurality of rupture discs fixing bolt 17, fuse box fixing bolt's one end is fixed to be established on the fuse box base 2, be equipped with sixth connecting hole 18 on the other end of rupture disc 6, the one end of rupture disc fixing bolt 17 is passed and is stretched out sixth connecting hole 18, rupture disc fixing bolt 17 with rupture disc 6 one-to-one electricity is connected, and the setting of rupture disc fixing bolt 17 is convenient for the installation of rupture disc 6, further improves the reliability that power distribution part 5 and rupture disc 6 electricity are connected, and on the other hand is convenient for rupture disc 6 and external circuit wiring.

The side of the fuse box body 1 is provided with a plurality of connecting ports 19, the connecting ports 19 are arranged close to the fuse piece fixing bolts 17 in a one-to-one correspondence mode, and the connecting ports 19 are convenient for the fuse pieces 6 to be electrically connected with external cables. Still include normal electricity piece 20 of getting power, the one end of normal electricity piece 20 of getting power is used for being connected with the battery main cable electricity, and the other end is used for the electricity to connect dangerous alarm lamp, and the setting of normal electricity piece 20 of getting power is used for the power supply of tractor dangerous alarm lamp, satisfies the tractor and still can use the demand of dangerous alarm lamp after whole car outage.

As shown in fig. 4, the power supply main relay 4 adopts a magnetic latching main relay, so that a remote power-off function can be realized, and a driver can power on and power off the whole vehicle in a cab. The engagement of contacts a and B is achieved when 4 and 2 are connected to the power supply + -respectively, and when 4 and 2 are disconnected, the engagement of a and B is still maintained due to the characteristics of the magnetic latching relay. When the power is cut off, the 3 is grounded, and the contact of the power main relay 4 can be disconnected by only supplying 1 power pulse. By utilizing the characteristics, a driver can power on or power off the whole vehicle in the cab or the controller can control the power off of the whole vehicle, and if the controller controls the power off of the power supply main relay 4, the functions of delaying the power off and the like can be realized.

This embodiment integrates the tractor power distribution through the fuse box, and every rupture disk 6 connects circuit all the way, ensures the security of each circuit to through setting up power main relay 4, realize the long-range outage of whole circuit, simplify driver's outage operation, realize the distribution function of long-range outage function and power.

In the description of the present invention, it is to be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "peripheral side", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplicity of description, and do not indicate or imply that the system or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The tractor PDU fuse box is characterized by comprising a fuse box body (1), a fuse box base (2), a fuse box top cover (3), a power supply main relay (4), a power supply distribution part (5) and a fuse piece (6), wherein the fuse box base (2) is fixedly arranged at the bottom of the fuse box body (1), and the fuse box top cover (3) is detachably and fixedly arranged at an opening at the top of the fuse box body (1); the power supply main relay (4) is fixedly arranged in the fuse box body (1), and one contact end of the power supply main relay (4) is used for being electrically connected with a main cable of the storage battery; the other contact end of the power supply main relay (4) is electrically connected with a power supply distribution part (5) arranged in the fuse box body (1), and the power supply distribution part (5) is electrically connected with one end of each of the fuse pieces (6).

2. The tractor PDU fuse box according to claim 1, characterized in that a main power interface bolt (7) is fixedly arranged in the fuse box body (1), a first connection hole (8) is arranged on one contact end of the power main relay (4), the main power interface bolt (7) passes through and extends out of the first connection hole (8), and the main power interface bolt (7) is electrically connected with the contact end of the power main relay (4).

3. The tractor PDU fuse box according to claim 1, wherein a first distribution part fixing bolt (9) is fixedly arranged in the fuse box body (1), a second connecting hole (10) is formed in the other contact end of the power main relay (4), a third connecting hole (11) is formed in the power distribution part (5), and one end of the first distribution part fixing bolt (9) sequentially penetrates through and extends out of the third connecting hole (11) and the second connecting hole (10) and then is in threaded connection with a first locking nut (12).

4. The tractor PDU fuse box according to claim 3, wherein a plurality of fourth connecting holes (13) are formed in the power distribution element (5), a plurality of second distribution element fixing bolts (14) are fixedly arranged in the fuse box body (1), a fifth connecting hole (15) is formed in one end of the fuse piece (6), and one end of each second distribution element fixing bolt (14) penetrates through the fourth connecting hole (13) and the fifth connecting hole (15) in sequence and then is in threaded connection with a second locking nut (16).

5. The tractor PDU fuse box according to claim 4, characterized in that a plurality of fuse piece fixing bolts (17) are fixedly arranged in the fuse box body (1), a sixth connecting hole (18) is formed in the other end of the fuse piece (6), one end of each fuse piece fixing bolt (17) penetrates through and extends out of the sixth connecting hole (18), and the fuse piece fixing bolts (17) are electrically connected with the fuse pieces (6) in a one-to-one correspondence manner.

6. The tractor PDU fuse box according to claim 5, characterized in that a plurality of connecting ports (19) are arranged on the side of the fuse box body (1), and the connecting ports (19) are correspondingly arranged close to the fuse piece fixing bolts (17) one by one.

7. The tractor PDU fuse box according to any one of claims 1 to 6, further comprising a normally electric power take-off strip (20), one end of the normally electric power take-off strip (20) being adapted to be electrically connected to a main battery cable and the other end being adapted to be electrically connected to a hazard warning lamp.