An electronic fuel injection sensor resistance detection device

Abstract

The present invention discloses an electronic injection sensor resistance detection device, which includes a detection cabinet, a detection table arranged on the detection cabinet, a rotation mechanism arranged on the detection table, and a three-axis positioning mechanism arranged in front of the rotation mechanism. The three-axis positioning mechanism includes a Y-axis guide rail arranged on the detection table, a positioning bracket that can move in the Y-axis direction is arranged above the Y-axis guide rail, an X-axis guide rail is arranged on the positioning bracket, a Z-axis guide rail that can slide in the X-axis direction is arranged on the X-axis guide rail, and a float positioning table that can slide in the Z-axis direction is arranged on the Z-axis guide rail; a rotatable product detection fixing seat is arranged on the rotation mechanism, and a detection circuit is connected to the product detection fixing seat. The present invention can effectively solve the problem that there is no special device for detecting the resistance of electronic injection sensors on the existing market, and most of them use some simple devices, which have the problems of inconvenient operation, low detection efficiency, and inaccurate detection results.

Description

Technical Field

[0001] The present invention relates to a device for detecting the resistance of an electronic fuel injection sensor. Background Art

[0002] Currently, there is no dedicated device on the market for detecting the resistance of an electronic fuel injection sensor. Most of them use some simple devices, which have problems such as inconvenient operation, low detection efficiency, and inaccurate detection results. Summary of the Invention

[0003] The purpose of the present invention is to provide a device for detecting the resistance of an electronic fuel injection sensor, which can effectively solve the problems that there is no dedicated device on the market for detecting the resistance of an electronic fuel injection sensor, most of them use some simple devices, and there are problems such as inconvenient operation, low detection efficiency, and inaccurate detection results.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a device for detecting the resistance of an electronic fuel injection sensor, including a detection cabinet, a detection table arranged on the detection cabinet, a rotating mechanism arranged on the detection table, and a three-axis positioning mechanism arranged in front of the rotating mechanism. The three-axis positioning mechanism includes a Y-axis guide rail arranged on the detection table, a positioning bracket that can move in the Y-axis direction is arranged above the Y-axis guide rail, an X-axis guide rail is arranged on the positioning bracket, a Z-axis guide rail that can slide in the X-axis direction is arranged on the X-axis guide rail, and a float positioning table that can slide in the Z-axis direction is arranged on the Z-axis guide rail; a rotatable product detection fixing seat is arranged on the rotating mechanism, and the product detection fixing seat is connected with a detection circuit; the brush holder device of the product to be detected is arranged on the product detection fixing seat, and the float of the product to be detected is placed on the float positioning table.

[0005] Further, the rotating mechanism includes a rotating frame, a rotating motor is arranged below the detection table where the detection cabinet is located, the rotating motor is connected with a driving wheel, the driving wheel is connected with a driven wheel through a synchronous belt, the driven wheel is arranged inside the rotating frame, a rotating seat connected to the axis of the driven wheel is arranged in front of the rotating frame facing the three-axis positioning mechanism, and the product detection fixing seat is arranged at the front end of the rotating seat.

[0006] Further, a product positioning table for fixing the product to be detected is arranged at the front end of the product detection fixing seat, a detection groove is arranged on the product positioning table, a fixing piece is arranged inside the product positioning table, a group of detection pins is arranged on the fixing piece, and the detection pins are connected to a resistance measuring instrument arranged at the lower part of the detection table through a circuit; a card hole adapted to the product to be detected and a buckle hinged at the bottom on the product positioning table are also arranged on the product positioning table; a return pin is arranged in the middle of the buckle, a return compression spring is arranged on the return pin, and both ends of the return compression spring are respectively abutted against the outer side wall of the buckle and the inner side wall of the product detection fixing seat; the product is inserted into the buckle, the buckle presses the product, and the detection pins are in contact with the resistance of the product to be detected.

[0007] Furthermore, a guiding slide rail is also arranged on the detection table. The guiding slide rail is arranged in parallel with the Y-axis guide rail, and both ends of the bottom of the positioning bracket are slidably arranged on the guiding slide rail and the Y-axis guide rail respectively.

[0008] Furthermore, an adjustment notch for adapting to the length of the float is formed on the right side of the float positioning table relative to the product detection fixing seat.

[0009] Furthermore, a photoelectric sensor is arranged on the inner side wall of the rotating frame below the product detection fixing seat; the photoelectric sensor is used to provide an initial positioning point during the detection process.

[0010] Furthermore, a Z-axis stepping motor is arranged on the top of the Z-axis guide rail. The Z-axis stepping motor is connected to a Z-axis lead screw, and the product detection fixing seat is fixed on the Z-axis lead screw. A Z-axis guiding groove is arranged at the front end of the Z-axis guide rail, and the product detection fixing seat can slide up and down along the Z-axis guiding groove;

[0011] The positioning bracket is provided with an X-axis stepping motor and an X-axis lead screw connected to the X-axis stepping motor. The Z-axis guide rail is arranged on the X-axis lead screw and can slide left and right along the X-axis guide rail;

[0012] A Y-axis stepping motor and a Y-axis lead screw connected to the Y-axis stepping motor are arranged on the detection table. The Y-axis lead screw is arranged in the Y-axis guide rail. The bottom end of the right side of the positioning bracket is arranged on the Y-axis lead screw and can slide back and forth along the Y-axis guide rail.

[0013] Furthermore, a group of product positioning photoelectric sensors is arranged between the Y-axis guide rail and the guiding slide rail on the detection table. A group of signal receivers adapted to the product positioning photoelectric sensors is arranged on the back of the float positioning table; a group of limit sensors is arranged on the right side wall of the Z-axis guide rail, which includes a first upper limit sensor, a second upper limit sensor and a lower limit sensor from top to bottom.

[0014] Furthermore, a single-chip microcomputer is arranged on the upper part of the detection table; a product detection indicator light is arranged on the top of the rotating mechanism; an operation button and a working state indicator light are arranged in front of the detection table; a reflective steel plate for observing the product installation in place is arranged at the position of the positioning bracket facing the positioning table.

[0015] The beneficial effects of the present invention: The three-axis positioning of the float is realized through the three-axis positioning mechanism and the float positioning table thereon. The rotation of the brush piece bracket is realized through the setting of the rotating mechanism, and then the adjustment of the angle of the float relative to the brush piece bracket is realized, and then the detection purpose of corresponding different output resistances at different angles is realized. This solution has the characteristics of simple structure and easy implementation. At the same time, the detection efficiency is high, the detection result is more accurate, and it can meet the needs of mass detection.

[0016] The present invention will be described in more detail below in conjunction with the accompanying drawings and embodiments. Description of the Drawings

[0017] Figure 1 It is a schematic structural diagram of the present invention.

[0018] Figure 2 It is a schematic structural diagram of the rotating mechanism.

[0019] Figure 3 It is a schematic structural diagram of the three-axis positioning mechanism. Detailed Description of the Embodiment

[0020] Embodiment, such as Figures 1 to 3 shown in an electrospray sensor resistance detection device, including a detection cabinet 1, a detection table 2 arranged on the detection cabinet 1, a rotating mechanism 3 arranged on the detection table 2, and a three-axis positioning mechanism 4 arranged in front of the rotating mechanism 3. The three-axis positioning mechanism 4 includes a Y-axis guide rail 5 arranged on the detection table 2, a positioning bracket 6 that can move in the Y-axis direction is arranged above the Y-axis guide rail 5, an X-axis guide rail 7 is arranged on the positioning bracket 6, a Z-axis guide rail 8 that can slide in the X-axis direction is arranged on the X-axis guide rail 7, and a float positioning table 9 that can slide in the Z-axis direction is arranged on the Z-axis guide rail 8; a rotatable product detection fixing seat 24 is arranged on the rotating mechanism 3, and the product detection fixing seat 24 is connected with a detection circuit; the brush holder device of the product to be detected is arranged on the product detection fixing seat 24, and the float of the product to be detected is placed on the float positioning table 9. The rotating mechanism 3 can rotate 360°.

[0021] The rotating mechanism 3 includes a rotating frame 21, a rotating motor 22 is arranged below the detection table 2 of the detection cabinet 1, the rotating motor 22 is connected with a driving wheel, the driving wheel is connected with a driven wheel through a synchronous belt, the driven wheel is arranged inside the rotating frame 21, a rotating seat 23 connected to the axis of the driven wheel is arranged in front of the rotating frame 21 facing the three-axis positioning mechanism 4, and the product detection fixing seat 24 is arranged at the front end of the rotating seat 23.

[0022] A product positioning table 25 for fixing the product to be detected is arranged at the front end of the product detection fixing seat 24. A detection slot is arranged on the product positioning table 25, a fixing piece is arranged inside the product positioning table 25, a group of detection pins are arranged on the fixing piece, and the detection pins are connected with a resistance measuring instrument arranged at the lower part of the detection table 2 through a circuit; a card hole adapted to the product to be detected and a buckle whose bottom is hinged to the product positioning table 25 are also arranged on the product positioning table 25; a return pin is arranged in the middle of the buckle, a return compression spring is arranged on the return pin, and two ends of the return compression spring are respectively abutted against the outer side wall of the buckle and the inner side wall of the product detection fixing seat 24; the product is inserted into the buckle, the buckle presses the product, and the detection pins are in contact with the resistance of the product to be detected.

[0023] A guiding slide rail 10 is further arranged on the detection table 2. The guiding slide rail 10 is arranged in parallel with the Y-axis guiding rail 5. The two bottom ends of the positioning bracket 6 are respectively slidably arranged on the guiding slide rail 10 and the Y-axis guiding rail 5.

[0024] An adjusting notch for adapting to the length of the float is formed in the right side of the float positioning table 9 relative to the product detection fixing seat 24.

[0025] A photoelectric sensor is arranged on the inner side wall of the rotating frame 21 below the product detection fixing seat 24; the photoelectric sensor is used to provide an initial positioning point during the detection process.

[0026] A Z-axis stepping motor 13 is arranged at the top of the Z-axis guiding rail 8. The Z-axis stepping motor 13 is connected with a Z-axis lead screw. The product detection fixing seat 24 is fixed on the Z-axis lead screw. A Z-axis guiding groove is arranged at the front end of the Z-axis guiding rail 8. The product detection fixing seat 24 can slide up and down along the Z-axis guiding groove;

[0027] The positioning bracket 6 is provided with an X-axis stepping motor 11 and an X-axis lead screw connected with the X-axis stepping motor 11. The Z-axis guiding rail 8 is arranged on the X-axis lead screw and can slide left and right along the X-axis guiding rail 7;

[0028] A Y-axis stepping motor 12 and a Y-axis lead screw connected with the Y-axis stepping motor 12 are arranged on the detection table 2. The Y-axis lead screw is arranged in the Y-axis guiding rail 5. The bottom right end of the positioning bracket 6 is arranged on the Y-axis lead screw and can slide in the front-back direction along the Y-axis guiding rail 5.

[0029] A group of product positioning photoelectric sensors are arranged between the Y-axis guiding rail 5 and the guiding slide rail 10 on the detection table 2. A group of signal receivers adapted to the product positioning photoelectric sensors are arranged on the back of the float positioning table 9; A group of limit sensors are arranged on the right side wall of the Z-axis guiding rail 8, which includes a first upper limit sensor, a second upper limit sensor and a lower limit sensor from top to bottom.

[0030] A single-chip microcomputer is arranged on the upper part of the detection table 2; A product detection indicator light is arranged on the top of the rotating mechanism 3; An operation button and a working state indicator light are arranged in front of the detection table 2; A reflective steel plate for observing the installation situation of the product in place is arranged at the position of the positioning bracket 6 facing the positioning table.

[0031] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more. Additionally, the term "comprising" and any variations thereof are intended to cover non-exclusive inclusion.

[0032] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] The terms used herein are merely for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments. Unless the context clearly dictates otherwise, the singular forms "a", "an" used herein are also intended to include the plural. It should also be understood that the terms "comprising" and / or "including" specify the presence of the stated features, integers, steps, operations, units, and / or components, and do not preclude the presence or addition of one or more other features, integers, steps, operations, units, components, and / or combinations thereof.

[0034] The present invention has been described exemplarily in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above methods. As long as various non-substantive improvements are made by adopting the inventive concept and technical solution of the invention; or without improvement, the above concept and technical solution of the present invention are directly applied to other occasions, they are all within the protection scope of the present invention.

Claims

1. An electric injection sensor resistance detection device, characterized in that: it includes a detection cabinet, a detection table arranged on the detection cabinet, a rotating mechanism arranged on the detection table, and a three-axis positioning mechanism arranged in front of the rotating mechanism. The three-axis positioning mechanism includes a Y-axis guide rail arranged on the detection table, a positioning bracket that can move in the Y-axis direction is arranged above the Y-axis guide rail, an X-axis guide rail is arranged on the positioning bracket, and a Z-axis guide rail that can slide in the X-axis direction is arranged on the X-axis guide rail. A float positioning table that can slide in the Z-axis direction is arranged on the Z-axis guide rail; a rotatable product detection fixing seat is arranged on the rotating mechanism, and a detection circuit is connected to the product detection fixing seat; the brush holder device of the product to be detected is arranged on the product detection fixing seat, and the float of the product to be detected is placed on the float positioning table; The rotating mechanism includes a rotating frame. A rotating motor is arranged below the detection table in the detection cabinet. The rotating motor is connected with a driving wheel. The driving wheel is connected with a driven wheel through a synchronous belt. The driven wheel is arranged in the rotating frame. A rotating seat connected to the axis of the driven wheel is arranged in front of the rotating frame facing the three-axis positioning mechanism. The product detection fixing seat is arranged at the front end of the rotating seat; The front end of the product detection fixing seat is provided with a product positioning table for fixing the product to be detected. A detection slot is arranged on the product positioning table. A fixing piece is arranged in the product positioning table. A group of detection pins is arranged on the fixing piece. The detection pins are connected to a resistance measuring instrument arranged at the lower part of the detection table through a circuit; a card hole adapted to the product to be detected and a buckle hinged to the bottom of the product positioning table are also arranged on the product positioning table; a return pin is arranged in the middle of the buckle. A return compression spring is arranged on the return pin. The two ends of the return compression spring are respectively abutted against the outer side wall of the buckle and the inner side wall of the product detection fixing seat; the product is inserted into the buckle, the buckle presses the product, and the detection pins are in contact with the resistance of the product to be detected.

2. The electric injection sensor resistance detection device according to claim 1, characterized in that: A guiding slide rail is also arranged on the detection table. The guiding slide rail is arranged parallel to the Y-axis guide rail. The two bottom ends of the positioning bracket can be slidably arranged on the guiding slide rail and the Y-axis guide rail respectively.

3. The electric injection sensor resistance detection device according to claim 2, characterized in that: An adjusting notch for adapting to the length of the float is opened on the right side of the float positioning table relative to the product detection fixing seat.

4. The electric injection sensor resistance detection device according to claim 3, characterized in that: An optoelectronic sensor is arranged on the inner side wall of the rotating frame below the product detection fixing seat; the optoelectronic sensor is used to provide an initial positioning point during the detection process.

5. The electric injection sensor resistance detection device according to claim 4, characterized in that: A Z-axis stepping motor is arranged at the top of the Z-axis guide rail. The Z-axis stepping motor is connected with a Z-axis lead screw. The product detection fixing seat is fixed on the Z-axis lead screw. A Z-axis guiding groove is arranged at the front end of the Z-axis guide rail. The product detection fixing seat can slide up and down along the Z-axis guiding groove; The positioning bracket is provided with an X-axis stepping motor and an X-axis lead screw connected to the X-axis stepping motor. The Z-axis guide rail is mounted on the X-axis lead screw and can slide left and right along the X-axis guide rail. The detection table is provided with a Y-axis stepping motor and a Y-axis lead screw connected to the Y-axis stepping motor. The Y-axis lead screw is arranged within the Y-axis guide rail. The bottom of the right end of the positioning bracket is mounted on the Y-axis lead screw and can slide back and forth along the Y-axis guide rail.

6. The electronic fuel injection sensor resistance detection device according to claim 5, characterized in that: A set of product positioning photoelectric sensors is arranged between the Y-axis guide rail and the guiding slide rail on the detection table. A set of signal receivers adapted to the product positioning photoelectric sensors is arranged on the back of the float positioning table. A set of limit sensors is arranged on the right side wall of the Z-axis guide rail, which includes a first upper limit sensor, a second upper limit sensor and a lower limit sensor from top to bottom.

7. The electronic fuel injection sensor resistance detection device according to claim 6, characterized in that: A single-chip microcomputer is arranged on the upper part of the detection table; a product detection indicator light is arranged on the top of the rotating mechanism; an operation button and a working state indicator light are arranged in front of the detection table; a reflective steel plate for observing the installation situation of the product in place is arranged at the position of the positioning bracket facing the positioning table.

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