CN220305362U - Low-voltage wiring harness switching device for battery test - Google Patents
Low-voltage wiring harness switching device for battery test Download PDFInfo
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- CN220305362U CN220305362U CN202321620524.1U CN202321620524U CN220305362U CN 220305362 U CN220305362 U CN 220305362U CN 202321620524 U CN202321620524 U CN 202321620524U CN 220305362 U CN220305362 U CN 220305362U
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- 239000002699 waste material Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
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- 230000008859 change Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
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Abstract
The utility model provides a battery test low-voltage wiring harness switching device, which comprises: the device comprises a lower box body, wherein a plurality of power supply wire harnesses for supplying power are arranged on a first side wall of the lower box body, a plurality of low-voltage wire harness wire inlets and a plurality of sockets are arranged on a second side wall of the lower box body, the low-voltage wire harnesses are used for allowing a low-voltage wire harness positive wire harness and a low-voltage wire harness negative wire harness of a battery low-voltage wire harness to pass through, the sockets are used for allowing a device communication wire plug to be inserted, and the device communication wire plug is connected with a CAN wire harness of the battery low-voltage wire harness; binding post, binding post are a plurality of, and power pencil passes through binding post and is connected with low pressure pencil positive pencil, low pressure pencil negative pole pencil. By adopting the technical scheme of the utility model, the connecting mode that the connecting terminals replace insulating materials is adopted, the wiring harness arrangement is more neat and safer, and when batteries of different types are installed and disassembled, the connecting terminals can be reused, so that the waste of the insulating materials is avoided, and the resources are saved.
Description
Technical Field
The utility model relates to the technical field of battery testing, in particular to a low-voltage wiring harness switching device for battery testing.
Background
At present, along with the high-speed development of new energy automobile industry, the test requirement of power battery is increased, the battery pack model is continuously updated, when test equipment switches different models of batteries, the low-voltage wire harness of last battery test must be dismantled, the low-voltage wire harness of next model battery is taken out, the low-voltage wire harness is reinstalled on the equipment, the manpower is required to be wasted when the low-voltage wire is dismantled, the installation time is longer, the equipment utilization rate is reduced, and the last used insulation cannot be reused, so that the insulation material is seriously wasted.
Aiming at the problem of material waste caused by battery switching in the battery test, no effective solution is proposed at present.
Disclosure of Invention
The utility model mainly aims to provide a low-voltage wiring harness switching device for battery test, which is used for solving the problem of material waste caused by battery switching in the battery test in the prior art.
In order to achieve the above object, according to one aspect of the present utility model, there is provided a battery test low voltage harness switching device comprising: the device comprises a lower box body, wherein a plurality of power supply wire harnesses for supplying power are arranged on a first side wall of the lower box body, a plurality of low-voltage wire harness wire inlets and a plurality of sockets are arranged on a second side wall of the lower box body, the low-voltage wire harnesses are used for allowing a low-voltage wire harness positive wire harness and a low-voltage wire harness negative wire harness of a battery low-voltage wire harness to pass through, the sockets are used for allowing a device communication wire plug to be inserted, and the device communication wire plug is connected with a CAN wire harness of the battery low-voltage wire harness; binding post, binding post are a plurality of, and power pencil passes through binding post and is connected with low pressure pencil positive pencil, low pressure pencil negative pole pencil.
Further, the battery test low-voltage harness switching device further comprises: the switch is at least one, and the switch is used for controlling disconnection and connection of at least one power wire harness.
Further, the switch is a plurality of, and the switch is established ties on the power pencil between power and binding post, and the switch is used for controlling disconnection and the connection of power pencil with the power pencil one-to-one setting switch.
Further, the battery test low-voltage harness switching device further comprises: the indicator is at least one and is used for representing the connection state of at least one power wire harness.
Further, the indicator is the pilot lamp, and the pilot lamp is a plurality of, and pilot lamp and power pencil one-to-one set up, and the pilot lamp is established ties in the circuit between power and binding post, and the pilot lamp is used for representing the connected state of power pencil.
Further, binding post includes positive binding post and negative pole binding post, and the positive polar line of power pencil's power passes through positive binding post and is connected with the positive pencil of low pressure pencil, and the negative polar line of power pencil passes through negative pole binding post and is connected with the negative pencil of low pressure pencil, and the pilot lamp is located between positive binding post and the negative binding post of same binding post.
Further, the battery test low-voltage harness switching device further comprises: the wire harness clamping grooves are formed in the lower box body, the wire harness clamping grooves are formed in the bottom of the lower box body, and the power supply wire harness is connected with the wiring terminal through the wire harness clamping grooves; the wire harness clamping grooves are multiple, and the wire harness clamping grooves are arranged in one-to-one correspondence with the power wire harnesses.
Further, the battery test low-voltage harness switching device further comprises: the upper cover is connected with the opening of the lower box body and is provided with a closing state for closing the lower box body and an opening state for opening the lower box body; at least part of the upper cover is made of transparent glass.
Further, the second side wall is arranged opposite to the first side wall, and a plurality of power supply wire inlets, a plurality of low-voltage wire harness wire inlets, a plurality of sockets and a plurality of wiring terminals are all arranged at intervals along the first preset direction.
Further, the battery test low-voltage harness switching device further comprises: the box fixed bolster, the surface connection of box fixed bolster and lower box has seted up the installation department on the box fixed bolster, and the experimental low voltage pencil switching device of battery is fixed to the mounted position through the installation department.
By adopting the technical scheme of the utility model, the connection mode that the connecting terminal replaces insulating materials is adopted, so that the connection and the disassembly of the lines are more convenient and faster when the low-voltage wire harnesses of different battery packs are replaced, the wire harnesses are distributed more neatly and safely, and the connecting terminal can be repeatedly utilized when the batteries of different types are installed and disassembled, thereby avoiding the waste of the insulating materials and saving the resources.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 shows a schematic diagram of an embodiment of a battery test low voltage harness switching device according to the present utility model;
FIG. 2 shows an enlarged schematic view of portion P of FIG. 1;
FIG. 3 shows a harness connection schematic of a first embodiment of a battery test low voltage harness transfer device in accordance with the present utility model;
FIG. 4 shows a harness connection schematic of a second embodiment of a battery test low voltage harness transfer device in accordance with the present utility model;
fig. 5 shows a wire harness connection schematic of a third embodiment of a battery test low voltage wire harness transfer device in accordance with the present utility model.
Wherein the above figures include the following reference numerals:
1. an upper cover; 100. transparent glass;
2. a lower box body; 21. a power supply inlet; 22. a low voltage wire harness inlet; 23. a box body fixing bracket; 231. a mounting part;
3. a socket;
4. a wire harness clamping groove;
5. a connection terminal;
6. an indicator light;
7. a power supply; 71. a power supply positive line; 72. a power negative electrode line;
8. a switch;
9. a battery;
10. a device communication line plug;
11. a low voltage harness; 111. a low voltage wire harness positive electrode wire harness; 112. a low voltage harness negative electrode harness; 113. low voltage harness CAN Gao Xianshu; 114. low voltage wire harness CAN low wire harness.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art, that in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and that identical reference numerals are used to designate identical devices, and thus descriptions thereof will be omitted.
In the prior art, the test requirements of the power battery are increased, the model of the battery pack is updated continuously, when the test equipment switches between batteries of different models, the low-voltage wire harness of the battery of the last model must be removed, the low-voltage wire harness of the battery of the next model is taken out, and the low-voltage wire harness is reloaded to the equipment. The definition of the low-voltage line corner of each battery pack is different, the line numbers of the 12V power supply and the equipment signal end are different, the comparison wiring table is needed for each replacement, errors are easy to occur, the manpower required for the low-voltage line dismantling is wasted, the installation time is long, and the equipment utilization rate is reduced. Meanwhile, the last used insulation cannot be reused, so that the waste of the insulation material is serious. The problems to be solved are as follows:
(1) The workload is great when the operator changes the low-voltage wire bundles of different battery packs;
(2) When batteries of different types are switched, the replacement time is long, and the equipment utilization rate is reduced;
(3) A plurality of insulating materials are used for each replacement, so that material waste is caused;
(4) Each time the low voltage harness corner definition needs to be validated, it is prone to error.
In view of the above technical problems, referring to fig. 1 to 5, according to an embodiment of the present application, a low voltage wiring harness switching device for battery test is provided.
The battery test low-voltage wire harness switching device comprises a lower box body 2 and a wiring terminal 5, wherein a plurality of power supply wire inlets 21 through which power wire harnesses of a power supply 7 penetrate are arranged on a first side wall of the lower box body 2, a plurality of low-voltage wire harness inlets 22 and a plurality of sockets 3 are arranged on a second side wall of the lower box body 2, the low-voltage wire harness inlets 22 are used for allowing a low-voltage wire harness positive wire harness 111 and a low-voltage wire harness negative wire harness 112 of a battery low-voltage wire harness to penetrate, the sockets 3 are used for allowing a device communication wire plug 10 to plug in, and the device communication wire plug 10 is connected with a CAN wire harness of the battery low-voltage wire harness; the number of the connecting terminals 5 is plural, and the power source harness is connected with the low-voltage harness positive electrode harness 111 and the low-voltage harness negative electrode harness 112 through the connecting terminals 5.
By adopting the technical scheme of the embodiment, the connection mode that the connecting terminal 5 replaces insulating materials is adopted, the line connection and the disassembly are more convenient when the low-voltage wire harnesses of different battery packs are replaced, the wire harnesses are distributed more neatly and safely, the connecting terminal 5 can be repeatedly utilized when the batteries of different models are installed and disassembled, the waste of the insulating materials is avoided, and the resources are saved.
It should be noted that, the first side wall and the second side wall may be adjacent side walls, or may be opposite side walls, and according to the wiring requirement, the power supply line inlet 21, the low-voltage line inlet 22 and the plurality of sockets 3 may change positions correspondingly, and in this embodiment, each low-voltage line inlet 22 is adjacent to one socket 3.
Further, the battery test low-voltage wiring harness switching device further comprises at least one switch 8, and the switch 8 is used for controlling disconnection and connection of at least one power wiring harness. Through setting up switch 8, can realize the on-off control to power pencil, carry out power on-off control to the battery that needs the test when being convenient for follow-up test.
It should be understood that the number of the switches 8 is related to the functional design and the number of battery low-voltage harnesses connected to the device, for example, the switches 8 may be in one-to-one correspondence with the connected power harnesses, so that each switch 8 is only used to control the opening and closing of a single power harness, and the switch 8 may also have a function of simultaneously controlling a plurality of power harnesses, i.e., the switching circuits of the plurality of power harnesses may be integrated into one switch 8.
Preferably, the plurality of switches 8 are provided, the switches 8 are connected in series on the power wire harness between the power supply 7 and the wiring terminal 5, and the switches 8 are arranged in one-to-one correspondence with the power wire harness for controlling the disconnection and connection of the power wire harness. Through setting up switch 8 and power pencil one-to-one, it is more convenient to the control of single power pencil during the test, and when the trouble of follow-up single switch 8, it is more convenient to overhaul the change.
Further, the battery test low-voltage wire harness switching device further comprises at least one indicator, and the indicator is used for representing the connection state of at least one power wire harness. The setting of the indicator can be convenient for confirm the battery and the connected state of power in the test process, promotes test efficiency.
It should be understood that the indicator may be in various manners, for example, a visual reminding manner such as a display screen, a light prompt, etc., or an audio reminding manner such as a buzzer, a voice prompt, etc. The number of the indicators can be adjusted according to the indicator function and the number of the power supply harnesses, for example, when an LED screen is adopted, the LED screen can be enabled to display the on states of all the power supply harnesses at the same time.
Preferably, the indicator is pilot lamp 6, pilot lamp 6 is a plurality of, pilot lamp 6 and power pencil one-to-one setting, and pilot lamp 6 establish ties in the circuit between power 7 and binding post 5, and pilot lamp 6 is used for representing the connected state of power pencil. Through setting up the pilot lamp 6 with power pencil one-to-one, can make the testing in-process learn the connected state of the power pencil of relevant position fast, status display is direct clear to, set up like this also when making the pilot lamp 6 trouble of single power pencil, it is more convenient to overhaul the change.
Specifically, the connection terminal 5 includes a positive connection terminal and a negative connection terminal, the power positive wire 71 of the power harness is connected with the low-voltage harness positive connection terminal 111 through the positive connection terminal, the power negative wire 72 of the power harness is connected with the low-voltage harness negative connection terminal 112 through the negative connection terminal, and the indicator lamp 6 is located between the positive connection terminal and the negative connection terminal of the same connection terminal 5. The indicator lamp 6 is arranged between the positive and negative terminals of the same terminal 5, so that the user can quickly learn the connection state of the terminal 5 with the power harness, and the state indication is more direct.
Further, the battery test low-voltage wire harness switching device further comprises a plurality of wire harness clamping grooves 4, the wire harness clamping grooves 4 are arranged in the lower box body 2, the wire harness clamping grooves 4 are positioned at the bottom of the lower box body 2, and a power wire harness is connected with the wiring terminal 5 through the wire harness clamping grooves 4; the wiring harness clamping grooves 4 are multiple, and the wiring harness clamping grooves 4 are arranged in one-to-one correspondence with the power supply wiring harnesses. The wiring harness clamping groove 4 can be favorable for containing and wiring the number of wires, so that when a plurality of power supply wiring harnesses are connected, wiring harness wiring is tidy, wiring harness winding conditions are reduced, and the wiring harness clamping groove 4 has the effect of fixing the position of the wiring harness.
Further, the battery test low-voltage harness switching device further comprises an upper cover 1, the lower box body 2 is connected with the opening of the lower box body 2, and the upper cover 1 is provided with a closing state for closing the lower box body 2 and an opening state for opening the lower box body 2; at least part of the upper cover 1 is made of transparent glass 100. The upper cover 1 can seal the lower box body 2 to prevent external impurities from entering, and at least part of the upper cover 1 is made of transparent glass 100, so that the observation of a line in the testing process can be facilitated.
It should be noted that, the transparent glass 100 is adopted to facilitate the observation of the internal condition of the lower case 2, and based on this purpose, other setting schemes that facilitate the monitoring of the internal condition of the lower case 2 may be adopted, for example, the transparent glass 100 may be replaced with other transparent materials, which should not interfere with the line current, and monitoring devices such as an image collector may be also arranged in the lower case 2, so as to facilitate the observation of the internal condition of the lower case 2 at the external control terminal.
Preferably, the second side wall is opposite to the first side wall, and the plurality of power supply inlets 21, the plurality of low-voltage wire harness inlets 22, the plurality of sockets 3 and the plurality of connection terminals 5 are all arranged at intervals along the first preset direction. The arrangement makes the low-voltage wire harness of power wire harness and battery extend the wiring along same direction, and wiring length is shorter, reduces the interference problem that the buckling causes.
Further, the battery test low-voltage wiring harness switching device further comprises a box body fixing support 23, the box body fixing support 23 is connected with the outer surface of the lower box body 2, a mounting portion 231 is arranged on the box body fixing support 23, and the battery test low-voltage wiring harness switching device is fixed to a mounting position through the mounting portion 231.
In this embodiment, the two opposite sides of the lower case 2 are provided with case fixing brackets 23, so that the connection of the lower case 2 is more stable, the mounting portion 231 is a through hole, and the case fixing brackets 23 can be fixed to the mounting position by means of bolts and nuts, etc.
The application also provides a preferred embodiment of the battery test low voltage harness switching device.
Specifically, the battery test low-voltage harness switching device comprises: upper cover 1, transparent glass 100, lower box 2, box fixed bolster 23, socket 3, pencil draw-in groove 4, binding post 5, pilot lamp 6, power 7, switch 8, battery 9, equipment communication line plug 10, low voltage pencil 11, power positive line 71, power negative line 72, low voltage pencil positive pencil 111, low voltage pencil negative pencil 112, low voltage pencil CAN Gao Xianshu 113, low voltage pencil CAN low pencil 114. In this embodiment, the power supply 7 is a 12V power supply, the box fixing bracket 23 is provided with a mounting portion 231, the mounting portion 231 is a screw hole, the socket 3 is a DB9 socket, and the device communication line plug 10 is a DB9 plug.
Wherein the upper cover 1 is made of insulating materials; transparent glass 100 is used to view the inside of the case; the lower box body 2 is made of insulating materials; the power supply wire inlet 21 is a wire inlet hole formed in one side of the lower box body 2, the low-voltage wire harness wire inlet 22 is a wire inlet hole formed in the other side of the lower box body 2, the power supply wire inlet 21 is used for conveying positive and negative wire harnesses output by a 12V power supply, and the low-voltage wire harness wire inlet 22 is used for conveying battery low-voltage wire harness connecting wires; the box fixing bracket 23 fixes the device to the corresponding position through the screw hole; the socket 3 is installed through the lower box body 2 in a slotted mode according to the size and is used for connecting a CAN communication end of external connection equipment, a CAN high line and a CAN low line of a battery low-voltage wire harness; the wire harness clamping groove 4 is used for fixing the wire harness position and preventing the wire harness from moving; the positive electrode of the 12V power supply on one side of the wiring terminal 5 is connected with the positive electrode wire harness of the battery low-voltage wire harness, and the negative electrode of the 12V power supply on the other side is connected with the negative electrode wire harness of the battery low-voltage wire harness; the indicator light 6 is connected to the 12V line, and when the switch is closed, the indicator light 6 is turned on to indicate that the line is in use.
The battery test low-voltage wire harness switching device in the embodiment has the advantages that the test function is additionally arranged when the wire harness is stored, the low-voltage wire harness used in the battery test can be rapidly switched, labor and materials are saved, installation time is shortened, test work efficiency is improved, the wiring terminal 5 is used for replacing an insulating material connection mode, the wire harness is neat and safe, waste of the insulating material is avoided, resources are saved, and an installed indicator lamp 6 can observe which wire harness is in work through transparent glass 100.
Specifically, in this embodiment, 6 low-voltage battery bundles of different types may be placed in the device at the same time, first, the low-voltage battery bundles 11 of 6 commonly used battery packs are connected to the inside of the box according to the sequence A, B, C, D, E, F in fig. 5, and the connection of the battery terminals and the 6 switches 8 and the 6 sockets 3 in the low-voltage battery bundles 11 are also labeled A, B, C, D, E, F according to the sequence of connection in fig. 5.
The battery test steps of the battery test low-voltage harness switching device applied to the embodiment are as follows:
s1, conveying the battery A to an environment box for preparation test, firstly, opening the switch A, closing the switches 8 of the batteries B-F, lighting the indicator lamp 6 above the wiring harness A, inserting the equipment communication line plug 10 into the device jack 3, connecting the plug of the low-voltage wiring harness A11 to the low-voltage end of the battery 9, and starting the test.
S2: after the test of the battery A is finished, a switch 8 of the wiring harness A is closed, an indicator lamp 6 above the wiring harness A is extinguished, and a communication line plug 10 of the equipment and a plug of the wiring harness connecting battery 9 are pulled out.
And S3, conveying the battery B to an environment box for test, firstly, opening the switch 8B, closing the switch 8 of A, C-F, lighting the indicator lamp 6 above the wiring harness B, inserting the equipment communication line plug 10 into the device jack 3, connecting the plug of the low-voltage wiring harness 11B to the low-voltage end of the battery 9, and starting the test.
S4: after the test of the battery B is finished, the switch B8 is closed, the indicator lamp 6 above the wiring harness B is extinguished, and the equipment communication line plug 10 and the wiring harness connection battery 9 end plug are unplugged.
S5, conveying the C battery to an environment box for preparation test, firstly, opening the C switch 8, closing the switch 8 of A, B, D-F, lighting the indicator lamp 6 above the C wiring harness, inserting the equipment communication line plug 10 into the device jack 3, connecting the C low-voltage wiring harness 11 plug to the low-voltage end of the battery 9, and starting the test.
S6: after the test of the C battery is finished, a switch 8 of the C wiring harness is closed, an indicator lamp 6 above the C wiring harness is extinguished, and a communication line plug 10 of the equipment and a plug of the end of the wiring harness connected with the battery 9 are pulled out.
The test steps of the remaining batteries are analogized to the above steps.
From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:
1. the device battery low-voltage end fast switching is realized, and the manual operation time is reduced.
2. And the test of rapidly switching the batteries of different types improves the utilization rate of the equipment.
3. And the definition of the low-voltage beam corner does not need to be confirmed before wiring each time, so that the test accuracy is improved.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition to the foregoing, references in the specification to "one embodiment," "another embodiment," "an embodiment," etc., mean that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described in general terms in the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is intended that such feature, structure, or characteristic be implemented within the scope of the utility model.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A battery test low voltage harness switching device, comprising:
the battery low-voltage wire harness box comprises a lower box body (2), wherein a plurality of power supply wire inlets (21) through which power supply wire harnesses of a power supply (7) penetrate are arranged on a first side wall of the lower box body (2), a plurality of low-voltage wire harness wire inlets (22) and a plurality of jacks (3) are arranged on a second side wall of the lower box body (2), the low-voltage wire harness wire inlets (22) are used for allowing a low-voltage wire harness positive wire harness (111) and a low-voltage wire harness negative wire harness (112) of a battery low-voltage wire harness to penetrate, the jacks (3) are used for allowing a device communication wire plug (10) to be inserted, and the device communication wire plug (10) is connected with a CAN wire harness of the battery low-voltage wire harness;
binding post (5), binding post (5) are a plurality of, power pencil passes through binding post (5) with low pressure pencil positive pole pencil (111), low pressure pencil negative pole pencil (112) are connected.
2. The battery test low voltage harness switching device of claim 1, further comprising:
and the switch (8) is used for controlling the disconnection and connection of at least one power wire harness.
3. The battery test low voltage harness switching device of claim 2 wherein,
the plurality of switches (8) are arranged, the switches (8) are connected in series on a power wire harness between the power supply (7) and the wiring terminal (5), and the switches (8) are arranged in one-to-one correspondence with the power wire harness and used for controlling the disconnection and connection of the power wire harness.
4. The battery test low voltage harness switching device of claim 1, further comprising:
the indicator is at least one and is used for representing the connection state of at least one power wire harness.
5. The battery test low-voltage wiring harness switching device according to claim 4, wherein the indicator is an indicator lamp (6), the indicator lamps (6) are multiple, the indicator lamps (6) are arranged in one-to-one correspondence with the power wiring harnesses, the indicator lamps (6) are connected in series in a circuit between the power supply (7) and the wiring terminals (5), and the indicator lamps (6) are used for representing the connection state of the power wiring harnesses.
6. The battery test low-voltage harness switching device according to claim 5, wherein the wiring terminal (5) comprises a positive wiring terminal and a negative wiring terminal, a power positive wire (71) of the power harness is connected with the low-voltage harness positive wiring harness (111) through the positive wiring terminal, a power negative wire (72) of the power harness is connected with the low-voltage harness negative wiring harness (112) through the negative wiring terminal, and the indicator lamp (6) is located between the positive wiring terminal and the negative wiring terminal of the same wiring terminal (5).
7. The battery test low voltage harness switching device of claim 1, further comprising:
the wire harness clamping grooves (4) are formed in a plurality of the lower box body (2), the wire harness clamping grooves (4) are formed in the bottom of the lower box body (2), and the power supply wire harness is connected with the wiring terminal (5) through the wire harness clamping grooves (4);
the wire harness clamping grooves (4) are multiple, and the wire harness clamping grooves (4) are arranged in one-to-one correspondence with the power wire harnesses.
8. The battery test low voltage harness switching device of claim 1, further comprising:
the upper cover (1), the said lower box (2) is connected with opening of the said lower box (2), the said upper cover (1) has closed state and open state to close the said lower box (2);
at least part of the upper cover (1) is made of transparent glass (100).
9. The battery test low-voltage wiring harness switching device according to claim 1, wherein the second side wall is arranged opposite to the first side wall, and a plurality of the power supply wire inlets (21), a plurality of the low-voltage wiring harness wire inlets (22), a plurality of the sockets (3) and a plurality of the connection terminals (5) are all arranged at intervals along a first preset direction.
10. The battery test low voltage harness switching device of claim 1, further comprising:
the battery test low-voltage wiring harness switching device comprises a box body fixing support (23), wherein the box body fixing support (23) is connected with the outer surface of the lower box body (2), a mounting portion (231) is arranged on the box body fixing support (23), and the battery test low-voltage wiring harness switching device is fixed to a mounting position through the mounting portion (231).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321620524.1U CN220305362U (en) | 2023-06-25 | 2023-06-25 | Low-voltage wiring harness switching device for battery test |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321620524.1U CN220305362U (en) | 2023-06-25 | 2023-06-25 | Low-voltage wiring harness switching device for battery test |
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CN220305362U true CN220305362U (en) | 2024-01-05 |
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CN202321620524.1U Active CN220305362U (en) | 2023-06-25 | 2023-06-25 | Low-voltage wiring harness switching device for battery test |
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