Universal detection box for automobile ignition and oil injection system

Abstract

The utility model relates to a universal detection box for an automobile ignition and oil injection system, which is applied to the technical field of automobile system detection and comprises a detection box body and a detection box cover, and configuration wire harnesses connected to an ignition detection hole and an oil injection detection hole are connected with automobile body wire harnesses. Meanwhile, configuration wire harnesses connected to the ignition test hole and the oil injection test hole are connected with an automobile ignition coil and an oil injector coil, the ignition test hole is electrically connected with the corresponding ignition detection hole through a circuit, the oil injection test hole is electrically connected with the corresponding oil injection detection hole through a circuit, and the detection holes transmit current signals to the test holes; after connection is completed, a plurality of cylinders can be detected at the same time through the divided cylinder signal input areas, the detection efficiency is improved, the integration effect is good, connecting lines are all arranged in the inner cavity of the detection box body, configuration wire harnesses are arranged at the connecting positions, automobile wire harnesses are not prone to being damaged in the detection process, and the detection cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a universal detection box, especially apply to a kind of automobile ignition and oil injection system universal detection box in the field of automobile system detection technology. BACKGROUND

[0002] The detection of automobile ignition and oil injection system is crucial to ensure the efficient operation of engine, with the development of automobile technology, especially the popularity of electronic control system, the traditional detection method cannot meet the needs of modern automobile maintenance, early automobile adopts mechanical or simple electronic ignition system, and modern automobile generally uses electronic control unit to accurately control ignition time and injection amount, and this change requires more advanced diagnostic tools to detect and adjust these complex systems, and for this system integration has become the research direction of current optimization technology, which integrates multiple functions, aims to simplify the diagnosis process and improve the accuracy and efficiency of maintenance.

[0003] The patent with publication number CN101630452A discloses a kind of automobile ignition and oil injection system virtual-real fusion practical training method and device, belongs to automobile complex system simulation training, it is that the physical components scattered in each part of automobile are installed on a panel, using a small variable frequency motor drive makes it work according to real vehicle working condition, mainly by automobile electronic ignition and electronic fuel injection system physical components, variable frequency motor, rack, remote communication and control module, teaching software, network interface and data interface etc., especially can be interconnected with other types of automobile assembly practical training platform and student test terminal, and with embedded automobile electronic ignition and electronic fuel injection system teaching software form hardware interaction, virtual-real fusion teaching practical training device.

[0004] The automobile ignition and oil injection system virtual-real fusion device needs large-scale instruments to detect and analyze various data in maintenance and repair process and ordinary car, greatly reduces the detection efficiency, increases the detection cost, and has poor integration effect, and ordinary car is easily damaged in detection, causing unnecessary damage. SUMMARY

[0005] For the above prior art, the technical problem to be solved by the utility model is that the device needs large-scale instruments to detect and analyze various data in maintenance and repair process and ordinary car, greatly reduces the detection efficiency, increases the detection cost, and has poor integration effect, and ordinary car is easily damaged in detection, causing unnecessary damage.

[0006] In order to solve the above problems, the utility model provides a kind of automobile ignition and oil injection system universal detection box, including detection box body and detection box cover, the side surface of detection box body is equipped with detection plate, detection plate is divided into multiple cylinder signal input area, four ignition detection holes that pass through detection box body are installed on each cylinder signal input area upper portion, and detection box cover is installed on the top of detection box body;Multiple ignition coil areas that are set corresponding to cylinder signal input area are divided on detection box cover, two groups of ignition test hole groups that pass through detection box cover are installed on each ignition coil area, each ignition test hole group includes four ignition test holes, corresponding two ignition test holes on each ignition test hole group are electrically connected by line, and ignition test hole and corresponding ignition detection hole are electrically connected by line, two oil injection detection holes that pass through detection box body are installed on each cylinder signal input area lower portion, multiple oil injectors areas that are set corresponding to cylinder signal input area are divided on detection box cover, two groups of oil injection test hole groups that pass through detection box cover are installed on each oil injector area, each oil injection test hole group includes two oil injection test holes, corresponding two oil injection test holes on each oil injection test hole group are electrically connected by line, and oil injection test hole and corresponding oil injection detection hole are electrically connected by line.

[0007] In the above-mentioned automobile ignition and oil injection system universal detection box, multiple cylinders can be detected simultaneously through the divided cylinder signal input area, improving the detection efficiency, and the integrated effect is good. The connection lines are all arranged in the inner cavity of the detection box body, and the connection parts are all provided with configuration wire harnesses, so that the automobile wire harnesses are not easily damaged during detection, and the detection cost is reduced.

[0008] As a further improvement of the present application, a grounding detection hole is installed on the detection plate, four ignition indicator lights corresponding to the ignition test holes are installed between each ignition test hole group, each ignition indicator light is electrically connected to the two ignition detection holes above and below by a line, two oil injection indicator lights corresponding to the oil injection test holes (202) are installed between each oil injection test hole group, and each oil injection indicator light is electrically connected to the two oil injection test holes above and below by a line. The ground wire of each ignition indicator light and oil injection indicator light is connected to the grounding detection hole by a line.

[0009] As a further improvement of the present application, the ignition test hole, ignition detection hole, oil injection test hole and oil injection detection hole all include a plug-in nut and a rubber soft cover installed on the top of the plug-in nut. A plug-in nut is connected to the plug-in nut, and the ignition detection hole and the oil injection detection hole are fixed to the detection plate by the plug-in nut. The ignition test hole and the oil injection test hole are fixed to the detection box cover by the plug-in nut.

[0010] As a further improvement of the present application, the detection box cover is a double-layer structure, and a fixed nut is inserted into the four corners of the detection box cover. The inner cavity of the detection box body is provided with a fixed screw groove matched with the fixed nut.

[0011] As a further improvement of the present application, each cylinder signal input area, ignition coil area and fuel injector area is provided with a nameplate for marking the name of the corresponding area, and the bottom of the detection box body is provided with a plurality of rubber pads made of insulating soft material.

[0012] As a further improvement of the present application, the plug nut is made of conductive metal material, and the rubber soft cover is made of insulating soft material.

[0013] In summary, when detecting the automobile ignition and fuel injection system, the tester connects the configuration harness connected to the ignition detection hole and the fuel injection detection hole with the automobile body harness, and connects the configuration harness connected to the ignition test hole and the fuel injection test hole with the automobile ignition coil and the fuel injector coil, the ignition test hole and the corresponding ignition detection hole are electrically connected through the line, the fuel injection test hole and the corresponding fuel injection detection hole are electrically connected through the line, the detection hole transmits current signal to the test hole, which achieves the effect of directly detecting data by using the detector, after the connection is completed, multiple cylinders can be detected by dividing multiple cylinder signal input areas, which greatly improves the detection efficiency, the ignition system and the fuel injection system can be detected at the same time, the integrated effect is good, the connection line is arranged in the inner cavity of the detection box body, and the configuration harness is connected to the ignition test hole, the ignition detection hole, the fuel injection detection hole and the fuel injection test hole, which is not easy to damage the automobile harness during detection, and reduces the detection cost. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The first and second embodiments of the universal detection box main structure schematic diagram of the present application;

[0015] Figure 2 The detection box body connection structure schematic diagram of the first and second embodiments of the present application;

[0016] Figure 3 The detection box cover connection structure schematic diagram of the first and second embodiments of the present application;

[0017] Figure 4 The detection box cover and detection box body connection structure side view of the first and second embodiments of the present application;

[0018] Figure 5 The structure schematic diagram of the ignition detection hole, ignition test hole, fuel injection detection hole and fuel injection test hole of the first and second embodiments of the present application.

[0019] Explanation of figure numbers:

[0020] 1, detection box body; 2, detection box cover; 100, cylinder signal input area; 200, ignition coil area; 300, fuel injector area; 101, detection plate; 102, ignition detection hole; 103, fuel injection detection hole; 104, ground detection hole; 105, fixed screw groove; 201, ignition test hole; 202, fuel injection test hole; 203, ignition indicator; 204, fuel injection indicator; 206, plug nut; 207, rubber soft cover; 208, plug nut; 209, fixed nut; 210, rubber pad. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0022] Embodiment:

[0023] Figures 1-5 A universal detection box for automobile ignition and fuel injection system is shown, which comprises a detection box body 1 and a detection box cover 2. The detection box body 1 is provided with a detection plate 101 on the side surface, which is divided into a plurality of cylinder signal input areas 100. Different cylinder signal input areas 100 are used to detect multiple cylinders at the same time. Four ignition detection holes 102 are installed on each cylinder signal input area 100, which penetrate through the detection box body 1, and are used to connect automobile wiring harness to detect the ignition system. The detection box cover 2 is installed on the top of the detection box body 1. The detection box cover 2 is divided into a plurality of ignition coil areas 200 corresponding to the cylinder signal input areas 100, which are used to connect external ignition coils for detection. Two groups of ignition test hole groups are installed on each ignition coil area 200, which penetrate through the detection box cover 2. One group is used to connect corresponding automobile wiring harness, and the other group is used to connect instrument detection. Each group of ignition test hole groups includes four ignition test holes 201, which are respectively used to connect power supply, signal, grounding and shielding. Signal and grounding are commonly used. Corresponding two ignition test holes 201 in each group of ignition test hole groups are electrically connected by a line. Ignition test holes 201 and corresponding ignition detection holes 102 are electrically connected by a line. The signal is transmitted by the line, which is convenient for detection. Two fuel injection detection holes 103 are installed on the lower part of each cylinder signal input area 100, which penetrate through the detection box body 1, and are used to connect automobile wiring harness to detect the fuel injection system. The detection box cover 2 is divided into a plurality of fuel injector areas 300 corresponding to the cylinder signal input areas 100, which are used to connect external fuel injectors for detection. Two groups of fuel injection test hole groups are installed on each fuel injector area 300, which penetrate through the detection box cover 2. One group is used to connect corresponding automobile wiring harness, and the other group is used to connect instrument detection. Each group of fuel injection test hole groups includes two fuel injection test holes 202. Corresponding two fuel injection test holes 202 in each group of fuel injection test hole groups are electrically connected by a line. Fuel injection test holes 202 and corresponding fuel injection detection holes 103 are electrically connected by a line. The signal is transmitted by line connection, which is convenient for detection.

[0024] Please refer to Figures 1-3The ground detection hole 104 is installed on the detection plate 101 to indicate the ground of the indicator light. Four ignition indicator lights 203 corresponding to the ignition test holes 201 are installed between each group of ignition test hole groups. Each ignition indicator light 203 is electrically connected to the upper and lower corresponding two ignition detection holes 102 through a line. When the ignition system current is transmitted, the ignition indicator light 203 emits light to remind. Two fuel injection indicator lights 204 corresponding to the fuel injection test holes 202 are installed between each group of fuel injection test hole groups. Each fuel injection indicator light 204 is electrically connected to the upper and lower corresponding two fuel injection test holes 202 through a line. When the fuel injection system current is transmitted, the fuel injection indicator light 204 emits light to remind. The ground of each ignition indicator light 203 and fuel injection indicator light 204 is connected to the ground detection hole 104 through a line.

[0025] Please refer to Figure 1 and Figure 5 The ignition test hole 201, the ignition detection hole 102, the fuel injection test hole 202 and the fuel injection detection hole 103 each include a plug nut 206 and a rubber soft cover 207 installed on the top of the plug nut 206. The plug nut 206 is connected with a plug cap 208 matched with the plug nut 206. The ignition detection hole 102 and the fuel injection detection hole 103 are fixed to the detection plate 101 through the plug cap 208. The ignition test hole 201 and the fuel injection test hole 202 are fixed to the detection box cover 2 through the plug cap 208. The plug cap 208 is used to fix the connection between the lines in the inner cavity of the detection box body 1, and fix the components on the detection plate 101 and the detection box cover 2.

[0026] Please refer to Figure 1 and Figure 4 The detection box cover 2 has a double-layer structure, high strength, and improves durability. The detection box cover 2 is fixed to the top of the detection box body 1 through the screw structure of the fixed nut 209 and the fixed screw groove 105 matched with the fixed nut 209.

[0027] Please refer to Figures 1-3 Each cylinder signal input area 100, ignition coil area 200 and fuel injector area 300 are provided with a nameplate for marking the name of the corresponding area, for distinguishing the corresponding engine cylinder, and improving the convenience of detection operation. A plurality of rubber pads 210 are installed at the bottom of the detection box body 1. The rubber pad 210 is made of insulating soft material.

[0028] Preferably, the plug nut 206 is made of conductive metal material, which improves the conductivity of the line and reduces the situation of poor contact. The rubber soft cover 207 is made of insulating soft material, which prevents damage caused by electric leakage, and the soft material relieves the damage caused by long-term use of the component connection.

[0029] In summary, the detection box 1 side mounted detection plate 101 is divided into a plurality of cylinder signal input area 100, the detection staff through the different cylinder signal input area 100 can detect multiple cylinder at the same time, improve the detection efficiency, each cylinder signal input area 100 upper portion is provided with four ignition detection hole 102 through the detection box 1, its lower portion is provided with two oil injection detection hole 103 through the detection box 1, for connecting the automobile wiring harness to detect ignition system and fuel injection system, detection box cover 2 is installed on the top of the detection box 1 through the fixed nut 209 and the fixed screw groove 105 screw structure, the detection box cover 2 is divided into ignition coil area 200 and fuel injector area 300, for connecting external ignition coil and fuel injector for detection, two groups of ignition test hole group are installed on the ignition coil area 200 through the detection box cover 2, the corresponding two ignition test hole 201 on each group of ignition test hole group is electrically connected by wire, one group is used for connecting with the corresponding automobile wiring harness, the other group is used for connecting with instrument detection, each group of ignition test hole group includes four ignition test hole 201, respectively for connecting power, signal, grounding and shielding, signal and grounding are often used, two groups of fuel injection test hole group are installed on each fuel injector area 300 through the detection box cover 2, the corresponding two fuel injection test hole 202 on each group of fuel injection test hole group is electrically connected by wire, one group is used for connecting with the corresponding automobile wiring harness, the other group is used for connecting with instrument detection, the ignition test hole 201 and the corresponding ignition detection hole 102 are electrically connected by wire, the fuel injection test hole 202 and the corresponding fuel injection detection hole 103 are electrically connected by wire, the wire connection transmits signal, which is convenient for detection, the ignition test hole 201, the ignition detection hole 102, the fuel injection test hole 202 and the fuel injection detection hole 103 are all connected with the configuration harness, which is convenient for detection, and the automobile wiring harness is not easy to be damaged in detection, the detection cost is reduced, the ignition system and the fuel injection system can be detected at the same time, the integration is high, four ignition indicator lights 203 are installed between each group of ignition test hole group, two fuel injection indicator lights 204 are installed between each two groups of fuel injection test hole group, when the wire harness is connected and current is transmitted, the corresponding ignition indicator light 203 and fuel injection indicator light 204 emit light to remind, the grounding detection hole 104 is installed on the detection plate 101, the ground wire of each ignition indicator light 203 and fuel injection indicator light 204 is connected with the grounding detection hole 104 by wire, which is used for indicating light unified harness grounding;

[0030] The ignition test hole 201, the ignition detection hole 102, the fuel injection test hole 202 and the fuel injection detection hole 103 each comprise a plug nut 206 and a rubber soft cover 207 mounted on the top of the plug nut 206, a plug nut 208 is used to fix the connection between the lines in the inner cavity of the detection box body 1, and fix the components on the detection plate 101 and the detection box cover 2, the plug nut 206 is made of a conductive metal material, the conductive metal material improves the conductivity of the line, reduces the situation of poor contact, the rubber soft cover 207 is made of an insulating soft material, the insulating material prevents damage caused by electric leakage, and the soft material relieves damage caused by long-time use of the component connection, the double-layer structure of the detection box cover 2 is high in strength and improves durability.

[0031] In combination with the current actual demand, the above-mentioned embodiments adopted by the present application are not limited to the above, various changes made within the knowledge range of those skilled in the art without departing from the concept of the present application still fall within the protection range of the present application.

Claims

1. A universal test box for automotive ignition and fuel injection systems, characterized in that, Includes a detection box body (1) and a detection box cover (2); A detection plate (101) is installed on the side of the detection box (1). The detection plate (101) is divided into multiple cylinder block signal input areas (100). Each cylinder block signal input area (100) has four ignition test holes (102) that penetrate the detection box (1) installed on its upper part. The detection box cover (2) is installed on the top of the detection box (1). The detection box cover (2) is divided into multiple ignition coil areas (200) that correspond to the cylinder block signal input areas (100). Each ignition coil area (200) has two sets of ignition test hole groups that penetrate the detection box cover (2). Each set of ignition test hole groups includes four ignition test holes (201). The two corresponding ignition test holes (201) on each set of ignition test hole groups are connected by wires. The ignition test hole (201) and the corresponding ignition detection hole (102) are electrically connected by a circuit. Two fuel injection detection holes (103) penetrating the detection box (1) are installed at the bottom of each cylinder block signal input area (100). The detection box cover (2) is divided into multiple fuel injector areas (300) corresponding to the cylinder block signal input area (100). Two sets of fuel injection test hole groups penetrating the detection box cover (2) are installed on each fuel injector area (300). Each set of fuel injection test hole groups includes two fuel injection test holes (202). The two corresponding fuel injection test holes (202) on each set of fuel injection test hole groups are electrically connected by a circuit. The fuel injection test hole (202) and the corresponding fuel injection detection hole (103) are electrically connected by a circuit.

2. The universal test box for automotive ignition and fuel injection systems according to claim 1, characterized in that: The detection board (101) is equipped with a grounding detection hole (104). Each group of ignition test holes is equipped with four ignition indicator lights (203) corresponding to the ignition test hole (201). Each ignition indicator light (203) is electrically connected to the two corresponding ignition test holes (102) above and below it via a circuit. Each group of fuel injection test holes is equipped with two fuel injection indicator lights (204) corresponding to the fuel injection test hole (202). Each fuel injection indicator light (204) is electrically connected to the two corresponding fuel injection test holes (202) above and below it via a circuit. The ground wires of each ignition indicator light (203) and fuel injection indicator light (204) are connected to the grounding detection hole (104) via a circuit.

3. A universal test box for automotive ignition and fuel injection systems according to claim 2, characterized in that: The ignition test hole (201), ignition detection hole (102), fuel injection test hole (202) and fuel injection detection hole (103) each include a plug-in nut (206) and a rubber soft cap (207) installed on the top of the plug-in nut (206). A plug-in nut (208) that mates with the plug-in nut (206) is connected to the plug-in nut (206). The ignition detection hole (102) and fuel injection detection hole (103) are both fixed to the detection plate (101) by the plug-in nut (208). The ignition test hole (201) and fuel injection test hole (202) are both fixed to the detection box cover (2) by the plug-in nut (208).

4. A universal test box for automotive ignition and fuel injection systems according to claim 3, characterized in that: The detection box cover (2) has a double-layer structure. Fixing nuts (209) are inserted into the four corners of the detection box cover (2). Fixing screw grooves (105) that cooperate with the fixing nuts (209) are provided at the four corners of the inner cavity of the detection box body (1).

5. A universal test box for automotive ignition and fuel injection systems according to claim 4, characterized in that: Each of the cylinder block signal input area (100), ignition coil area (200) and injector area (300) is provided with a nameplate to indicate the name of the corresponding area. Multiple rubber pads (210) are installed at the bottom of the detection box (1), and the rubber pads (210) are made of insulating soft material.

6. A universal test box for automotive ignition and fuel injection systems according to claim 5, characterized in that: The plug nut (206) is made of conductive metal material, and the rubber soft cap (207) is made of insulating soft material.

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