Detection box for automobile fuel pump control system

Abstract

The utility model relates to an automobile fuel pump control system detection box applied to the technical field of automobile system detection, which comprises a detection shell, a plurality of test ends are arranged on both the detection shell and a test cover plate, and the plurality of test ends are respectively connected with the detection shell and the test cover plate in a penetrating manner; a plurality of detection areas are arranged on the detection shell, and a plurality of test ends are respectively arranged in the detection areas; a plurality of test areas are arranged on the detection shell, a plurality of test ends and indicator lamps are arranged in the test areas respectively, and the indicator lamps are all connected with the test cover plate in a penetrating manner; the test ends in the test area are correspondingly communicated with the test ends in the detection area through lines; by adopting the above structure, through dividing the plurality of detection areas and the plurality of test areas, the detection efficiency is effectively improved, the connection lines are all arranged in the detection box, the detection box is good in integration effect, the automobile wire harness is not easy to damage, and the detection cost is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a detection box, in particular to be applied to a kind of automobile fuel pump control system detection box in the field of automobile system detection technology. BACKGROUND

[0002] Fuel pump is the professional term of automobile parts industry.It is one of the basic components of electronic injection automobile fuel injection system, located inside the vehicle fuel tank, fuel pump works when starting and engine running, fuel pump is to suck fuel from fuel tank, pressurize and deliver to oil supply pipe, and cooperate with fuel pressure regulator to establish certain fuel pressure.

[0003] The patent with publication number CN221144740U discloses a kind of fuel pump detection equipment, pull rod two is set in the outside of pull rod one, the inner wall of pull rod one is fixedly connected with fixed block, spring block is fixedly connected on the outer wall of fixed block, limit block is fixedly connected on the outer wall of spring block, limit block coincides with adjusting hole one and adjusting hole two.The utility model is set through pull rod one and pull rod two, when fuel pump needs to be detected according to the size of volume, the height of fuel pump needs to be adjusted in detection equipment, can press limit block, spring block connected in the inside of pull rod one is in shrinkage state, pull rod two is moved up and down to adjust the height of fuel pump, when adjusting to appropriate position, again using spring block props up, limit block is inserted into adjusting hole one and adjusting hole two and is fixed, so that fuel pump of different size of volume can be adjusted to appropriate position, then using detection device detects, improve the flexibility of detection equipment.

[0004] In the above scheme, fuel pump detection equipment improves the flexibility of detection equipment, but still needs to adjust detection device multiple times in detection process, and the existing fuel pump detection method is easy to damage automobile wiring harness, causes unnecessary damage, so that detection cost is improved. SUMMARY

[0005] For the above prior art, the technical problem to be solved by the utility model is that the existing fuel pump detection method is easy to damage automobile wiring harness, causes unnecessary damage, so that detection cost is improved.

[0006] To solve the above problem, the utility model provides a kind of automobile fuel pump control system detection box, including detection device, detection device includes detection shell, detection shell and test cover plate are all provided with multiple test ends, multiple test ends are respectively connected with detection shell and test cover plate penetration;

[0007] Detection shell is provided with multiple detection areas, and the detection area includes fuel pump assembly input area, fuel pump control unit input area and grounding area, multiple test ends are respectively provided in fuel pump assembly input area and fuel pump control unit input area, and a single test end is provided in grounding area.

[0008] The test device is mounted on the detection shell, and the test device comprises a test cover plate, a plurality of test areas are arranged on the test cover plate, the test areas comprise a fuel pump control unit test area and a fuel pump supply unit test area, a plurality of test terminals and indicator lights are arranged in the fuel pump control unit test area and the fuel pump supply unit test area respectively, the test terminals and the indicator lights are in one-to-one correspondence, and the indicator lights are all in through connection with the test cover plate;

[0009] The test terminals in the fuel pump control unit input area are electrically connected with the test terminals in the fuel pump control unit detection area through a line, and the test terminals in the fuel pump assembly input area are electrically connected with the test terminals in the fuel pump supply unit test area through a line.

[0010] In the above-mentioned automobile fuel pump control system universal detection box, the detection efficiency is effectively improved by dividing a plurality of detection areas and a plurality of test areas, the connecting lines are all arranged in the detection box, the detection box has good integration effect, the automobile wire harness is not easy to be damaged, and the detection cost is effectively reduced.

[0011] As a further improvement of the present application, the detection shell is connected with the test cover plate through bolts, and a plurality of bolts are arranged at four corners of the detection shell.

[0012] As a further improvement of the present application, a plug-through hole is arranged on the test terminal, the bottom of the test terminal is a threaded stud, and the test terminal is fixedly connected with the detection shell and the test cover plate through a nut.

[0013] As a further improvement of the present application, a fuel pump simulation area is arranged on the test cover plate, a plurality of test terminals and driving members are arranged in the fuel pump simulation area, the driving members are fixedly installed on the test cover plate, the output ends of the driving members are rotatably connected with the test cover plate, and the output ends of the driving members are fixedly connected with indicator discs.

[0014] As another improvement of the present application, a fuel sensor simulation area is arranged on the test cover plate, a plurality of test terminals and potentiometers are arranged in the fuel sensor simulation area, the potentiometers are fixedly installed on the test cover plate, the input ends of the potentiometers are rotatably connected with the test cover plate, and the input ends of the potentiometers are fixedly connected with knobs.

[0015] As a further improvement of the present application, the detection shell and the test cover plate are made of flame-retardant materials.

[0016] In summary, when the automobile fuel pump is inspected, the test terminals of the fuel pump assembly input area, the fuel pump control unit input area and the grounding area are connected with the automobile line. Since the test terminal in the fuel pump control unit input area is connected with the test terminal in the fuel pump control unit detection area through the line, and the test terminal in the fuel pump assembly input area is connected with the test terminal in the fuel pump supply unit test area through the line, the test terminals in the fuel pump control unit detection area and the fuel pump supply unit test area are directly detected, so that the measurement data effect can be realized. The test terminals reserved in the fuel pump control unit detection area and the fuel pump supply unit test area can realize convenient measurement of different fuel pump controllers, greatly improve the detection efficiency, and the connection lines are arranged in the detection shell, so that the integration degree is high, the integration effect is good, the automobile is not easy to damage during the detection process, and the detection cost is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic diagram of the first and second embodiments of the application;

[0018] Figure 2 It is a detection device structure schematic diagram of the first and second embodiments of the application;

[0019] Figure 3 It is a test device structure schematic diagram of the first and second embodiments of the application;

[0020] Figure 4 It is a detection shell structure schematic diagram of the first and second embodiments of the application;

[0021] Figure 5 It is a test terminal structure schematic diagram of the first and second embodiments of the application;

[0022] Figure 6 It is a driving member structure schematic diagram of the first and second embodiments of the application;

[0023] Figure 7 It is a potentiometer structure schematic diagram of the first and second embodiments of the application.

[0024] Explanation of reference numerals in the drawing:

[0025] 1, detection device; 101, test end; 102, fuel pump control unit input area; 103, grounding area; 104, fuel pump assembly input area; 105, detection housing; 106, plug-through hole; 107, nut; 2, test device; 201, fuel pump control unit test area; 202, fuel pump supply unit test area; 203, indicator light; 204, fuel pump simulation area; 205, fuel sensor simulation area; 206, driving piece; 207, indicator disc; 208, potentiometer; 209, knob; 210, test cover plate; 3, bolt. DETAILED DESCRIPTION

[0026] Two embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0027] First embodiment:

[0028] Figures 1-5 A detection box for a vehicle fuel pump control system is shown, which comprises a detection device 1, the detection device 1 comprising a detection housing 105, the detection housing 105 and the test cover plate 210 are both provided with a plurality of test ends 101, the plurality of test ends 101 are respectively connected with the detection housing 105 and the test cover plate 210, and the test ends 101 are used for connecting the vehicle wiring harness or measuring data using a detection instrument.

[0029] The detection housing 105 is provided with a plurality of detection areas, the detection areas comprising a fuel pump assembly input area 104, a fuel pump control unit input area 102, and a grounding area 103, the fuel pump assembly input area 104 and the fuel pump control unit input area 102 are respectively provided with a plurality of test ends 101, and the grounding area 103 is provided with a single test end 101, and the test ends 101 in the detection areas are all connected with the vehicle wiring harness to obtain data of the vehicle fuel pump.

[0030] The detection housing 105 is provided with a test device 2, the test device 2 comprising a test cover plate 210, the test cover plate 210 being provided with a plurality of test areas, the test areas comprising a fuel pump control unit test area 201 and a fuel pump supply unit test area 202, the fuel pump control unit test area 201 and the fuel pump supply unit test area 202 are respectively provided with a plurality of test ends 101 and indicator lights 203, the test ends 101 and the indicator lights 203 correspond one-to-one, the indicator lights 203 are all connected with the test cover plate 210, and the test ends 101 in the test areas are all connected with the detection instrument, and when there is a signal in the test ends 101, the indicator lights 203 will light up.

[0031] The test terminal 101 in the fuel pump control unit input area 102 is electrically connected to the test terminal 101 in the fuel pump control unit detection area via a line. The test terminal 101 in the fuel pump assembly input area 104 is electrically connected to the test terminal 101 in the fuel pump supply unit test area 202 via a line. The test terminals 101 in the detection area are connected to each other via a line, so that the electrical signals obtained in the detection area are transmitted to the test area, which facilitates the use of a tester to obtain fuel pump data.

[0032] The test housing 105 is connected to the test cover plate 210 by bolts 3. Multiple bolts 3 are provided, and the multiple bolts 3 are located at the four corners of the test housing 105. The test housing 105 and the test cover plate 210 are made of flame-retardant materials. The multiple bolts 3 can effectively ensure the firmness of the connection between the test housing and the test cover plate 210. In order to avoid the possibility of the circuit catching fire due to aging during the use of the test box, which would cause damage to the test box or the vehicle under test, the use of flame-retardant materials can effectively prevent this situation.

[0033] The test end 101 has a plug-in hole 106 and a stud at the bottom. The test end 101 is fixedly connected to the test housing 105 and the test cover plate 210 by a nut 107. When connecting automotive wiring harnesses or using a tester, using the plug-in hole 106 to connect the wiring harness can improve wiring efficiency and also facilitate the measurement of different lines by the measuring instrument.

[0034] When using the test box, insert the automotive wiring harness into the test terminal 101 of the test area. At this time, the electrical signal will be connected to the test terminal 101 of the test area through the line. When there is an electrical signal in the test terminal 101 of the test area, the corresponding indicator light 203 will be lit, effectively indicating the test terminal 101 that needs to be tested. Insert the measuring port of the tester into the test terminal 101 of the test area to measure the data of the corresponding wiring harness.

[0035] Second implementation method:

[0036] Figures 1-7The automobile fuel pump control system detection box is shown, and different from the first embodiment, the fuel pump simulation area 204 is arranged on the test cover plate 210, a plurality of test terminals 101 and a driving part 206 are arranged in the fuel pump simulation area 204, the driving part 206 is fixedly installed on the test cover plate 210, the output end of the driving part 206 is rotatably connected with the test cover plate 210, and the output end of the driving part 206 is fixedly connected with an indicating disc 207; the fuel sensor simulation area 205 is arranged on the test cover plate 210, a plurality of test terminals 101 and a potentiometer 208 are arranged in the fuel sensor simulation area 205, the potentiometer 208 is fixedly installed on the test cover plate 210, the input end of the potentiometer 208 is rotatably connected with the test cover plate 210, and the input end of the potentiometer 208 is fixedly connected with a knob 209.

[0037] When the automobile fuel pump is detected, the test terminals 101 in the fuel pump simulation area 204 are connected, so that the driving part 206 can be actuated, the driving part 206 is driven to rotate the indicating disc 207, the running state of the fuel pump can be simulated, the test terminals 101 in the fuel sensor area are connected, the fuel sensor can be simulated, the resistance of the potentiometer 208 is adjusted by adjusting the knob 209, the rotating speed of the fuel pump motor, i.e. the driving part 206, is controlled, and the state of the fuel pump motor can be more intuitively understood by the detection personnel.

[0038] In combination with the actual demand, the above-mentioned embodiments of the present application are not limited to the scope, various changes within the knowledge of the person skilled in the art without departing from the concept of the present application still fall within the protection scope of the present application.

Claims

1. A detection box for an automotive fuel pump control system, characterized in that, Including detection device (1), the detection device (1) includes detection housing (105), and the detection housing (105) and test cover plate (210) are provided with a plurality of test ends (101), a plurality of test ends (101) are respectively connected with the detection housing (105) and test cover plate (210) through-penetration connection; The detection housing (105) is provided with a plurality of detection areas, and the detection area includes fuel pump assembly input area (104), fuel pump control unit input area (102) and grounding area (103), a plurality of test ends (101) are respectively arranged in the fuel pump assembly input area (104) and fuel pump control unit input area (102), and a single test end (101) is arranged in the grounding area (103); The detection housing (105) is provided with a test device (2), and the test device (2) includes a test cover plate (210), the test cover plate (210) is provided with a plurality of test areas, and the test area includes fuel pump control unit test area (201) and fuel pump supply unit test area (202), a plurality of test ends (101) and indicator lights (203) are respectively arranged in the fuel pump control unit test area (201) and fuel pump supply unit test area (202), the test end (101) and the indicator light (203) are one-to-one correspondence, and the indicator light (203) is connected with the test cover plate (210) through-penetration connection; The test end (101) in the fuel pump control unit input area (102) is electrically connected with the test end (101) in the fuel pump control unit detection area through a line, and the test end (101) in the fuel pump assembly input area (104) is electrically connected with the test end (101) in the fuel pump supply unit test area (202) through a line.

2. The control system detection box of claim 1, wherein: The detection housing (105) is connected with the test cover plate (210) through a plurality of bolts (3), and the plurality of bolts (3) are respectively located at the four corners of the detection housing (105).

3. The control system test kit of claim 1, wherein: A plug-in through hole (106) is formed in the test end (101), the bottom of the test end (101) is a threaded stud, and the test end (101) is fixedly connected with the detection housing (105) and the test cover plate (210) through a nut (107).

4. The control system test kit of claim 1, wherein: The test cover plate (210) is provided with a fuel pump simulation area (204), a plurality of test ends (101) and driving members (206) are arranged in the fuel pump simulation area (204), the driving members (206) are fixedly installed on the test cover plate (210), the output end of the driving member (206) is rotatably connected with the test cover plate (210), and the output end of the driving member (206) is fixedly connected with an indicator disc (207).

5. The control system test kit of claim 1, wherein: The test cover plate (210) is provided with a fuel sensor simulation area (205), a plurality of test terminals (101) and a potentiometer (208) are arranged in the fuel sensor simulation area (205), the potentiometer (208) is fixedly installed on the test cover plate (210), an input end of the potentiometer (208) is rotationally connected with the test cover plate (210), and a knob (209) is fixedly connected with the input end of the potentiometer (208).

6. The control system test kit of claim 1, wherein: The detection shell (105) and the test cover plate (210) are made of flame-retardant materials.

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