CN202888413U - Grounding nut plate - Google Patents
Grounding nut plate Download PDFInfo
- Publication number
- CN202888413U CN202888413U CN 201220544732 CN201220544732U CN202888413U CN 202888413 U CN202888413 U CN 202888413U CN 201220544732 CN201220544732 CN 201220544732 CN 201220544732 U CN201220544732 U CN 201220544732U CN 202888413 U CN202888413 U CN 202888413U
- Authority
- CN
- China
- Prior art keywords
- grounding
- nut plate
- galvanized iron
- wire
- ground wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to a lead wire grounding equipment, and particularly relates to a grounding nut plate for an automobile. The grounding nut plate is a galvanized iron plate with the surface subjected to special processing; the galvanized iron plate is fixed on an automobile frame, and the galvanized iron plate is provided with a nut hole; the bolt hole of the galvanized sheet plate is connected with three grounding wires through bolts; and the three grounding wires are respectively connected with the negative pole of an accumulator, an automobile body and a cylinder body. The grounding nut plate disclosed by the utility model ensures that the lengths of the grounding wires are shorter and the cost is saved; and in addition, the grounding wires are all connected to the grounding nut plate so that the negative pole of the accumulator, the automobile frame, the automobile body and the engine cylinder body are equipotential, and therefore, the grounding reliability is ensured.
Description
Technical field
The utility model relates to a kind of wire grounding apparatus, specifically a kind of automobile grounding nut plate.
Background technology
Development along with automotive engineering, increasing new technology is widely used at Hyundai Motor, and the application of these new technologies is had higher requirement to the reliability of whole automobile electric appliance system, and namely each electronic installation must mutually coadaptation with electronic control system.This just requires us must pay attention to the Electro Magnetic Compatibility of automobile electric appliance system.Whether ground connection is reliable, is the important indicator of examination electromagnetic compatibility.
General automobile circuit all adopts one wire system, and namely the negative line of power consumption equipment rides on the metal part such as vehicle frame.The ground wire of this connection cylinder body, vehicle frame and vehicle body generally is the flat thicker copper or aluminium matter litzendraht wire of wire diameter, although this electric wire current load amount is large, cost is higher, and the terminal contact-making surface is had relatively high expectations, so the inconvenience of layout, reliability is also relatively poor.
The utility model content
Technical problem to be solved in the utility model is: overcome the shortcoming of prior art, a kind of grounding nut plate is provided, can effectively reduce each electronic installation and mutually mutual interference of electronic control system, ground connection is reliable.
The solution that the utility model provides is: a kind of grounding nut plate, nutplate are galvanized iron sheet, and the surface of this galvanized iron sheet guarantees that through special processing this galvanized iron sheet namely has good conductivity that very strong corrosion resistance is arranged again; Galvanized iron sheet is fixed on the vehicle frame, and galvanized iron sheet is provided with bolt hole; Bolt hole connects three earth connections through bolt, and three earth connections are respectively and connect the battery terminal negative ground wire, connect the vehicle body ground wire and connect the cylinder body ground wire.
The technical scheme that the utility model further limits is: be fixed with zinc-plated improved mat between aforementioned galvanized iron sheet and the bolt.
The aforementioned battery terminal negative ground wire that connects is the 50m2 wire, and connecing the vehicle body ground wire is the 30m2 wire, and connecing the cylinder body ground wire is the 50m2 wire.
The beneficial effects of the utility model are: the length that has guaranteed earth connection is shorter, saves cost, and all earth connections all are connected on the grounding nut plate simultaneously, make battery terminal negative, vehicle frame, vehicle body and engine cylinder-body equipotential, have guaranteed the reliability of ground connection.
Description of drawings
Fig. 1 is the utility model front view.
Embodiment
A kind of grounding nut plate that the present embodiment provides, structure as shown in Figure 1, nutplate is that the surface is through the galvanized iron sheet 1 of special processing; Galvanized iron sheet 1 is fixed on the vehicle frame, and galvanized iron sheet 1 is provided with bolt hole 2,3,4, bolt 5,6,7 pass bolt hole 2,3,4 and the binding post of earth connection earth connection is fixed on the galvanized iron sheet 1.
Galvanized iron sheet 1 and bolt 5,6 are fixed with zinc-plated improved mat 8,9,10 between 7; Connect battery terminal negative ground wire 11 and be the 50m2 wire, connect vehicle body ground wire 12 and be the 30m2 wire, connect cylinder body ground wire 13 and be the 50m2 wire.
Use voltage test method, contrast the performance difference that uses novel grounded nutplate front and back earth point.Mainly be to use the voltage difference between the earth point and battery terminal negative under the different operating modes of oscilloscope measurement.
Measure explanation:
The test environment of EMC (computer/oscilloscope) record under the 80KHz frequency.
Measuring process:
All wire harness are in normal connection status;
"-" probe is connected battery terminal negative, and "+" probe connects earth point to be measured;
When the probe conductor length needs to use the transition wire not, must guarantee that the transition sectional area of wire is enough large, and guarantee good contact;
Open oscilloscope and correct parameters;
Observation signal on oscilloscope is regulated oscilloscope, catches characteristic signal and preservation.
Five working conditions are tested:
(1) switch is shut; (2) switch is of short duration opens, and the fuel and electric motor pump is worked; (3) switch is opened for a long time, after the fuel and electric motor pump work is complete; (4) time of engine low speed: rotating speed 800 rpm; (5) high engine speeds running: rotating speed 2000rpm;
Test result is as follows:
Measure explanation: Vmean is the mean value that shows in the oscilloscope window.
As can be seen from the above data, use novel grounded nutplate after, the pressure reduction between this earth point and the battery terminal negative obviously descends, the ground connection more reliable performance.
In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of the utility model requirement.
Claims (3)
1. grounding nut plate, it is characterized in that: described grounding nut plate is surface treated galvanized iron sheet, and described galvanized iron sheet is fixed on the vehicle frame, is provided with bolt hole at described galvanized iron sheet; Described bolt hole connects three earth connections through bolt, and described three earth connections are respectively and connect the battery terminal negative ground wire, connect the vehicle body ground wire and connect the cylinder body ground wire.
2. grounding nut plate according to claim 1 is characterized in that: be fixed with zinc-plated improved mat between described galvanized iron sheet and the bolt.
3. grounding nut plate according to claim 1, it is characterized in that: the described battery terminal negative ground wire that connects is the 50m2 wire; The described vehicle body ground wire that connects is the 30m2 wire; The described cylinder body ground wire that connects is the 50m2 wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220544732 CN202888413U (en) | 2012-10-23 | 2012-10-23 | Grounding nut plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220544732 CN202888413U (en) | 2012-10-23 | 2012-10-23 | Grounding nut plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202888413U true CN202888413U (en) | 2013-04-17 |
Family
ID=48079806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220544732 Expired - Lifetime CN202888413U (en) | 2012-10-23 | 2012-10-23 | Grounding nut plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202888413U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390846A (en) * | 2013-07-26 | 2013-11-13 | 临沂大学 | Flexible connection device of power cables of connector of battery box of quick-changing electric vehicle |
| CN103715525A (en) * | 2013-12-30 | 2014-04-09 | 重庆雷士照明有限公司 | Fast-inserting terminal block |
| CN110212145A (en) * | 2019-07-09 | 2019-09-06 | 上海龙创汽车设计股份有限公司 | Battery terminal negative earthing or grounding means |
-
2012
- 2012-10-23 CN CN 201220544732 patent/CN202888413U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390846A (en) * | 2013-07-26 | 2013-11-13 | 临沂大学 | Flexible connection device of power cables of connector of battery box of quick-changing electric vehicle |
| CN103715525A (en) * | 2013-12-30 | 2014-04-09 | 重庆雷士照明有限公司 | Fast-inserting terminal block |
| CN110212145A (en) * | 2019-07-09 | 2019-09-06 | 上海龙创汽车设计股份有限公司 | Battery terminal negative earthing or grounding means |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202888413U (en) | Grounding nut plate | |
| CN103257263B (en) | Contactless duplex frequency voltage measuring device | |
| CN104407230B (en) | Dielectric spectroscopy measurement apparatus for bushing | |
| CN112585442A (en) | Tightness test of a motor vehicle body | |
| CN111781457A (en) | Test system and method for EMC conduction emission of electronic product | |
| CN203405509U (en) | A high-voltage cable instantaneous short circuit fault current detecting apparatus designed by a Rogowski Coil | |
| CN205303813U (en) | On -vehicle charging wire | |
| CN103675389B (en) | A kind of alternating-current and direct-current dual-purpose voltage transformer | |
| CN101340083B (en) | Bearing current measuring and protecting apparatus of three-phase cage type induction motor | |
| CN201628754U (en) | Wideband partial discharge detection device for power equipment | |
| CN200976031Y (en) | Power ground network online test device | |
| CN202533493U (en) | Current sampling circuit applied to intelligent wireless monitor of distribution line | |
| CN202854281U (en) | RF sensor testing arrangement applicable to online monitoring of partial discharge of high voltage cable terminal | |
| CN208334537U (en) | A kind of aluminum hull lithium-ion electric core short-circuit detecting mechanism | |
| CN203133177U (en) | Electric megohmmeter capable of resisting interference of strong electric field in power delivery line | |
| CN102621416A (en) | Surge noise immunity experimental system | |
| CN109946575A (en) | Based on the intermediate joint of electric cable partial discharge detecting system under compound field | |
| CN201589844U (en) | Plate electrode for testing insulating property of insulating blanket | |
| CN204177936U (en) | A kind of storage battery monitoring device | |
| CN201607504U (en) | Multifunctional testing device of electrical performance parameters of power supply filters | |
| CN216434202U (en) | Wire-holding type voltage and current measuring device | |
| CN202757965U (en) | Electrostatic protection electrical testboard for automobile wire harness | |
| CN202305759U (en) | Motor fault monitoring device capable of resisting interference | |
| CN109444685A (en) | A kind of high-tension cable charges non-contact partial discharge detecting sensor and application method | |
| CN204408578U (en) | Car microphone not with wire harness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |
|
| CX01 | Expiry of patent term |