Mobile power-on device of small oxygen sensor

Abstract

A mobile power-on device of a small oxygen sensor comprises a wire harness joint positioning plate, a heating probe mounting plate, a tool fixing plate and an equipment electrode fixing plate. Electrodes are arranged at the corresponding same horizontal positions of the equipment electrode fixing plate and the tool fixing plate, and the pair of electrodes is used for applying the voltage of a power supply to the corresponding heater probes and continuously transmitting the heat energy converted from electricity to the oxygen sensors connected with the heater probes. And the tool fixing plate is arranged above the equipment electrode fixing plate in a sliding manner. The utility model aims to provide the movable power-on device of the small oxygen sensor, the heating probe goes deep into the oxygen sensor for fixed-point accurate temperature control heating, so that the heat conduction efficiency of the heating device can be greatly improved, the high temperature of 850 DEG C can be realized, the higher production and processing requirements can be met, and the production cost can be reduced. And the problems of pollution and zirconium element breakage of the product after heat treatment are effectively avoided.

Description

Technical Field

[0001] The utility model relates to the field of automobile parts production and manufacturing, in particular to a small oxygen sensor. Background Art

[0002] The heat treatment process of the small oxygen sensor can remove contamination inside the sensor, release the internal stress of the zirconium element, and reduce the risk of fracture of the zirconium element.

[0003] The existing technology is to directly put the material into a 3-meter-long large heating furnace for heating, and manually control the oxygen sensor to move in the heating furnace. It takes a total of 10 minutes from the entrance to the exit, and the temperature of the heating furnace is 600 degrees. It is very difficult to accurately control the temperature of such a small component as an oxygen sensor in such a large heating furnace. This is because when such a large heating furnace is in the heat treatment mode, the heat source inside the heating furnace is transmitted from all directions, and it needs to be transmitted to each oxygen sensor. Such a large-scale overall heating method has a large loss, extremely low thermal efficiency and uneven heating, resulting in slow temperature rise inside each oxygen sensor and the temperature of the position that needs to be processed does not meet the requirements. In addition, the temperature rises too high and the processing time is too long in other positions that do not require high-temperature processing, which often causes the product to be contaminated and the zirconium element to break after heat treatment.

[0004] Therefore, there is an urgent need for a product to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a mobile power-on device for a small oxygen sensor, so as to greatly improve the heat conduction efficiency of the heating device, achieve a high temperature of 850 degrees, and thus meet the needs of higher production and processing, and effectively avoid the problems of contamination and breakage of zirconium elements after heat treatment.

[0006] To achieve the above purpose, the utility model provides a mobile power-on device for a small oxygen sensor, including: a harness connector positioning plate, which is provided with an oxygen sensor slot and a connector clamping block under the oxygen sensor slot, which is used to stably fix the oxygen sensor to prevent the shaking of the oxygen sensor during the movement from causing changes in the heating position. In addition, the oxygen sensor is fixed in the oxygen sensor slot of the harness connector positioning plate that matches its shell, and is tightly fixed in the slot body through the connector clamping block under the oxygen sensor slot. A heating probe mounting plate is used to stably fix the heater probe. In addition, the heating probe mounting plate and the harness connector positioning plate are fixed together by a fastening bolt structure. A tool fixing plate, and the heating probe mounting plate and the harness connector positioning plate are detachably fixed vertically on the top surface of the tool fixing plate. An equipment electrode fixing plate, which is provided with electrodes at the same horizontal position corresponding to the tool fixing plate, and the pair of electrodes is used to apply the voltage of the power supply to the corresponding heater probe, and continuously transmit the heat energy converted by electricity to the oxygen sensor connected to the heater probe. In addition, the tool fixing plate can be slidably arranged above the equipment electrode fixing plate.

[0007] As a preferred embodiment, a tooling electrode is arranged in the housing of the tooling fixing plate along the direction of the guide rail. An equipment electrode is arranged on the top surface of the equipment electrode fixing plate along the direction of the guide rail, and a plurality of conductive wheels are arranged along the equipment electrode, which can rotate in the forward direction of the guide rail, thereby driving the tooling fixing plate on the conductive wheel to slide in the forward direction of the guide rail.

[0008] As a preferred method, a chain is slidably connected to the bottom surface of the tooling fixing plate along the tooling electrode direction of the tooling fixing plate, and a plurality of tooling support rollers are fixed under the chain to maintain the stability of the tooling fixing plate when it slides along the forward direction of the guide rail.

[0009] As a preferred embodiment, the tooling fixing plate is provided with a first sliding part, a fixed part, and a second sliding part in sequence from left to right perpendicular to the guide rail direction. The fixed part is located between the first sliding part and the second sliding part. The first sliding part is located on the fixed side of the wiring harness connector positioning plate, and the second sliding part is located on the fixed side of the heating probe mounting plate. The second sliding part is tilted upward, and a track for a sliding connection chain is provided on the bottom surface of the tilted part of the second sliding part along the guide rail direction.

[0010] As a preferred embodiment, the mobile power-on device of a small oxygen sensor of the utility model further comprises a tooling base and a guide rail fixing plate. The guide rail fixing plate and the equipment electrode fixing plate are fixed side by side along the guide rail on the same horizontal plane at the top of the tooling base.

[0011] As a preferred embodiment, the first guide rail and the second guide rail are respectively arranged on the opposite side of the guide rail fixing plate along the guide rail direction. The tooling support roller is slidably arranged on the first guide rail of the guide rail fixing plate and slides along the first guide rail direction. The equipment electrode fixing plate is arranged adjacent to the second guide rail.

[0012] As a preferred embodiment, there is a joint clamping block below the oxygen sensor slot, which is a protruding upward hook-shaped lifting surface that can support and fix the front end portion of the oxygen sensor embedded in the oxygen sensor slot so that it is tightly fixed in the oxygen sensor slot.

[0013] As a preferred embodiment, the oxygen sensor slot is a cross-shaped slot that matches the shape of the oxygen sensor shell, the cross-shaped slot has a baffle plate inside to prevent the oxygen sensor from sliding out, and the baffle plate is provided with a probe through hole for connecting the heater probe.

[0014] As a preferred mode, one or more heater probes are arranged on the heating probe mounting plate according to the position of the probe through hole of the wiring harness connector positioning plate for connecting the heater probe. And the heater probe is fixed on the protruding cylindrical boss of the connecting surface of the heating probe mounting plate. The cylindrical boss matches the cylindrical groove on the back of the baffle of the oxygen sensor slot to locate the position of the heating probe mounting plate relative to the wiring harness connector positioning plate, thereby locating the position of the heater probe relative to the oxygen sensor.

[0015] As a preferred embodiment, a bolt hole for fixing the wiring harness connector positioning plate and the heating probe mounting plate is provided in the middle of the top surface of the fixing portion.

[0016] The purpose of the utility model is to provide a mobile power-on device for a small oxygen sensor. A heating probe is inserted into the oxygen sensor to perform precise temperature control and heating at a fixed point. The heating position and temperature control are very precise, which greatly improves the heat conduction efficiency of the heating device and can achieve a high temperature of 850 degrees, thereby meeting the needs of higher production and processing, and effectively avoiding the problems of product contamination and zirconium element breakage after heat treatment. At the same time, considering large-scale batch automated production, a sliding structure of a conductive wheel and a chain roller is adopted to realize the fully automatic heating, temperature control and transportation operation of the oxygen sensor, greatly improving the efficiency of the production line for batch and fully automatic large-scale production of oxygen sensors, effectively avoiding the generation of waste parts, and greatly reducing production costs and labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the right side and the front side of the utility model.

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the left side and the front side of the utility model. DETAILED DESCRIPTION

[0019] Hereinafter, embodiments of a mobile power-on device for a small-sized oxygen sensor of the present invention will be described with reference to the accompanying drawings.

[0020] The embodiments described herein are specific embodiments of the present invention, which are used to illustrate the concept of the present invention, are explanatory and exemplary, and should not be interpreted as limiting the embodiments of the present invention and the scope of the present invention. In addition to the embodiments described herein, those skilled in the art can also adopt other obvious technical solutions based on the contents disclosed in the claims and the specification of this application, including technical solutions that adopt any obvious replacement and modification of the embodiments described herein.

[0021] The drawings in this specification are schematic diagrams, which assist in explaining the concept of the present utility model and schematically show the shapes of various parts and their mutual relationships.

[0022] Figure 1 and Figure 2 The three-dimensional structure of the utility model is shown, as Figure 1-2 As shown, a mobile power-on device of a small oxygen sensor of the utility model comprises:

[0023] The wiring harness connector positioning plate 11 is provided with an oxygen sensor slot and a connector clamping block below the oxygen sensor slot to stably fix the oxygen sensor to prevent the shaking during the movement from causing a change in the heating position. The oxygen sensor is fixed in the oxygen sensor slot of the wiring harness connector positioning plate 11 that matches the housing, and is tightly fixed in the slot body by the connector clamping block below the oxygen sensor slot.

[0024] The heating probe mounting plate 10 is used to stably fix the heater probe. The heating probe mounting plate 10 and the wiring harness connector positioning plate 11 are fixed together by a fastening bolt structure.

[0025] The tool fixing plate 9 , and the heating probe mounting plate 10 and the harness connector positioning plate 11 are detachably and vertically fixed on the top surface of the tool fixing plate 9 .

[0026] The equipment electrode fixing plate 4 is provided with electrodes at the same level as the tool fixing plate 9, and the pair of electrodes is used to apply the voltage of the power supply to the corresponding heater probe, and continuously transmit the heat energy converted by electricity to the oxygen sensor connected to the heater probe. The tool fixing plate 9 is slidably arranged above the equipment electrode fixing plate 4.

[0027] In this embodiment, a tooling electrode 1 is further preferably arranged in the housing of the tooling fixing plate 9 along the direction of the guide rail 7. In addition, a device electrode 3 is arranged on the top surface of the device electrode fixing plate 4 along the direction of the guide rail 7, and a plurality of conductive wheels 2 are arranged along the device electrode 3, and the conductive wheels 2 can rotate in the forward direction of the guide rail 7, thereby driving the tooling fixing plate 9 on the conductive wheels 2 to slide in the forward direction of the guide rail 7.

[0028] In this embodiment, a chain 8 is further preferably connected on the bottom surface of the tooling fixing plate 9 in a slidable manner along the tooling electrode 1 of the tooling fixing plate 9, and a plurality of tooling support rollers 6 are fixed under the chain 8 for maintaining the stability of the tooling fixing plate 9 when sliding along the forward direction of the guide rail 7.

[0029] In this embodiment, it is further preferred that the tooling fixing plate 9 is provided with a first sliding portion, a fixing portion and a second sliding portion in sequence from left to right in a direction perpendicular to the guide rail 7 .

[0030] Specifically, the fixed portion is located between the first sliding portion and the second sliding portion. The first sliding portion is located on the fixed side of the harness connector positioning plate 11, and the second sliding portion is located on the fixed side of the heating probe mounting plate 10. The second sliding portion is tilted upward, and a track for the sliding connection chain 8 is provided on the bottom surface of the tilted portion of the second sliding portion along the guide rail 7.

[0031] In this embodiment, the mobile power-on device of a small oxygen sensor of the utility model further comprises a tooling base and a guide rail fixing plate 5. The guide rail fixing plate 5 and the equipment electrode fixing plate 4 are fixed side by side along the guide rail 7 on the same horizontal plane at the top of the tooling base.

[0032] In this embodiment, the first guide rail 7 and the second guide rail 7 are respectively arranged on the opposite side of the guide rail fixing plate 5 along the direction of the guide rail 7. The tooling support roller 6 is slidably arranged on the first guide rail 7 of the guide rail fixing plate 5 and slides along the direction of the first guide rail 7. The equipment electrode fixing plate 4 is arranged adjacent to the second guide rail 7.

[0033] Further preferably, in this embodiment, there is a joint clamping block below the oxygen sensor slot, and the joint clamping block is a protruding upward hook-shaped lifting surface, which can support and fix the front end part of the oxygen sensor embedded in the oxygen sensor slot so that it is tightly fixed in the oxygen sensor slot.

[0034] In this embodiment, the oxygen sensor slot is a cross-shaped slot that matches the shape of the oxygen sensor shell, the cross-shaped slot has a baffle plate inside to prevent the oxygen sensor from sliding out, and the baffle plate is provided with a probe through hole for connecting the heater probe.

[0035] In the present embodiment, one or more heater probes are further preferably arranged on the heater probe mounting plate 10 according to the positions of the probe through holes of the harness connector positioning plate 11 for connecting the heater probes.

[0036] More specifically, the heater probe is fixed on a protruding cylindrical boss on the connection surface of the heater probe mounting plate 10. The cylindrical boss matches the cylindrical groove on the back of the baffle of the oxygen sensor slot to locate the heater probe mounting plate 10 relative to the wiring harness connector positioning plate 11, thereby locating the heater probe relative to the oxygen sensor.

[0037] In the present embodiment, further preferably, a bolt hole for fixing the wiring harness connector positioning plate 11 and the heating probe mounting plate 10 is provided in the middle of the top surface of the fixing portion.

[0038] The original small oxygen sensor heat treatment furnace temperature was 600 degrees. After heat treatment, there were still problems of product contamination and zirconium element breakage.

[0039] The new mobile power-on device of the utility model provides a voltage of 13.5V to the heater that can be inserted into the interior of the product, thereby realizing rapid heating of the product, and the temperature can reach 850 degrees.

[0040] The operating steps and principles of the utility model are as follows:

[0041] First, place the harness connector of the oxygen sensor into the harness connector positioning plate 11. The pin in the harness connector of the oxygen sensor is connected to the heating probe through the probe through hole on the harness connector positioning plate 11, and the other end of the heater probe is connected to the tooling electrode 1 for power. The heating probe mounting plate 10 stably fixes the heater probe and the harness connector positioning plate 11 stably fixes the oxygen sensor to prevent the shaking during movement from causing changes in the heating position. The oxygen sensor is fixed in the columnar slot of the oxygen sensor harness connector positioning plate 11 that matches its shell, and the oxygen sensor is tightly fixed in the slot body by the connector clamping block with the upper hook-shaped surface on the lower side of the slot body.

[0042] Secondly, the heating probe mounting plate 10 and the harness connector positioning plate 11 are fixed together by a fastening bolt structure and installed on the tooling fixing plate 9 .

[0043] Again, the guide rail fixing plate 5 and the equipment electrode fixing plate 4 are fixed side by side along the guide rail 7 on the same horizontal plane at the top of the tooling base.

[0044] Then, the freely removable and fixable tooling fixing plate 9 is installed above the equipment electrode fixing plate 4 and the guide rail fixing plate 5, so that it can slide along the guide rail 7, thereby realizing continuous assembly line heating operation.

[0045] Finally, the tooling electrode 1 is connected to the equipment electrode 3 through the conductive wheel 2, and the equipment electrode 3 is connected to the 13.5V power supply. Through this circuit, the small oxygen sensor in motion is powered on. The equipment electrode 3 and the tooling electrode 1 ensure the stability of the oxygen sensor in motion. At this time, the chain 8 contacting the bottom surface of the tooling fixing plate 9 rotates under the drive of the motor, and the chain 8 drives the tooling fixing plate 9 to slide forward along the guide rail 7. During the movement, the conductive wheel 2 on the other side contacts the tooling electrode 1 on the tooling fixing plate 9, and the conductive wheel 2 keeps rotating forward. The tooling fixing plate 9 drives the oxygen sensor and the heater to move forward along the guide rail 7, realizing the heating power supply for the moving oxygen sensor. In this process, the oxygen sensor is powered on and heated during the movement, and the 13.5V voltage of the power supply is applied to the heater probe inside the small oxygen sensor. The heater inside the small oxygen sensor continuously transmits the heat energy converted by electricity to the oxygen sensor fixed in the slot of the oxygen sensor harness connector positioning plate 11, thereby realizing the rapid and accurate heating and temperature control of the 850-degree high temperature of each oxygen sensor.

[0046] The purpose of the utility model is to provide a mobile power-on device for a small oxygen sensor. A heating probe is inserted into the oxygen sensor to perform precise temperature control and heating at a fixed point. The heating position and temperature control are very precise, which greatly improves the heat conduction efficiency of the heating device and can achieve a high temperature of 850 degrees, thereby meeting the needs of higher production and processing, and effectively avoiding the problems of product contamination and zirconium element breakage after heat treatment. At the same time, considering large-scale batch automated production, a sliding structure of a conductive wheel and a chain roller is adopted to realize the fully automatic heating, temperature control and transportation operation of the oxygen sensor, greatly improving the efficiency of the production line for batch and fully automatic large-scale production of oxygen sensors, effectively avoiding the generation of waste parts, and greatly reducing production costs and labor costs.

[0047] The above describes the implementation of the mobile power-on device of the small oxygen sensor of the utility model, and its purpose is to explain the spirit of the utility model. Please note that those skilled in the art can modify and combine the features of the above-mentioned implementations without departing from the spirit of the utility model. Therefore, the utility model is not limited to the above-mentioned implementations. The specific features of the mobile power-on device of the small oxygen sensor, such as shape, size and position, can be specifically designed according to the functions of the features disclosed above, and these designs can be implemented by those skilled in the art. Moreover, the technical features disclosed above are not limited to the combination with other features that have been disclosed. Those skilled in the art can also make other combinations between the technical features according to the purpose of the utility model, so as to achieve the purpose of the utility model.

Claims

1. A mobile power-on device for a small oxygen sensor, characterized in that: include: A wiring harness connector positioning plate is provided with an oxygen sensor slot and a connector clamping block is provided below the oxygen sensor slot to stably fix the oxygen sensor to prevent the oxygen sensor from shaking during movement and causing a change in the heating position; and the oxygen sensor is fixed in the oxygen sensor slot of the wiring harness connector positioning plate that matches the housing thereof, and is tightly fixed in the slot body by the connector clamping block below the oxygen sensor slot; A heating probe mounting plate is used to stably fix the heater probe; and the heating probe mounting plate and the wiring harness connector positioning plate are fixed together by a fastening bolt structure; A tool fixing plate, and the heating probe mounting plate and the wiring harness connector positioning plate are detachably and vertically fixed on the top surface of the tool fixing plate; The equipment electrode fixing plate is provided with electrodes at the same horizontal position corresponding to the tooling fixing plate, and the electrodes are used to apply the voltage of the power supply to the corresponding heater probe, and continuously transmit the heat energy converted by electricity to the oxygen sensor connected to the heater probe; and the tooling fixing plate can be slidably arranged above the equipment electrode fixing plate.

2. The mobile power-on device of the small oxygen sensor according to claim 1, characterized in that: A tooling electrode is arranged in the housing of the tooling fixing plate along the guide rail direction; An equipment electrode is arranged on the top surface of the equipment electrode fixing plate along the guide rail direction, and a plurality of conductive wheels are arranged along the equipment electrode. The conductive wheel can rotate in the forward direction of the guide rail, thereby driving the tooling fixing plate on the conductive wheel to slide in the forward direction of the guide rail.

3. The mobile power-on device for a small oxygen sensor according to claim 2, characterized in that: A chain is slidably connected to the bottom surface of the tooling fixing plate along the tooling electrode direction of the tooling fixing plate, and a plurality of tooling support rollers are fixed below the chain to maintain the stability of the tooling fixing plate when it slides along the forward direction of the guide rail.

4. The mobile power-on device for a small oxygen sensor according to claim 3, characterized in that: The fixture fixing plate is provided with a first sliding portion, a fixing portion and a second sliding portion in sequence from left to right perpendicular to the guide rail direction; wherein the fixing portion is located between the first sliding portion and the second sliding portion; The first sliding portion is located on the fixed side of the wiring harness connector positioning plate, and the second sliding portion is located on the fixed side of the heating probe mounting plate; The second sliding part tilts upward, and a track for slidingly connecting a chain is arranged on the bottom surface of the tilted part of the second sliding part along the guide rail direction.

5. The mobile power-on device for a small oxygen sensor according to claim 3, characterized in that: Also included is a tooling base and a guide rail fixing plate; The guide rail fixing plate and the equipment electrode fixing plate are fixed side by side along the guide rail direction on the same horizontal plane at the top end of the tooling base.

6. The mobile power-on device for a small oxygen sensor according to claim 5, characterized in that: The opposite side of the guide rail fixing plate is provided with a first guide rail and a second guide rail respectively along the guide rail direction; The tooling support roller is slidably disposed on the first guide rail of the guide rail fixing plate and slides along the direction of the first guide rail; The equipment electrode fixing plate is arranged adjacent to the second guide rail.

7. The mobile power-on device for a small oxygen sensor according to any one of claims 1 to 6, characterized in that: There is a joint clamping block below the oxygen sensor slot. The joint clamping block is a protruding upward hook-shaped lifting surface. The lifting surface can support and fix the front end part of the oxygen sensor embedded in the oxygen sensor slot so that it is tightly fixed in the oxygen sensor slot.

8. The mobile power-on device for a small oxygen sensor according to claim 7, characterized in that: The oxygen sensor slot is a cross-shaped slot that matches the shape of the shell of the oxygen sensor. A baffle is provided inside the cross-shaped slot to prevent the oxygen sensor from sliding out, and a probe through hole for connecting a heater probe is provided on the baffle.

9. The mobile power-on device for a small oxygen sensor according to any one of claims 1 to 6, characterized in that: One or more heater probes are arranged on the heater probe mounting plate according to the position of the probe through hole of the wiring harness connector positioning plate for connecting the heater probe; and, The heater probe is fixed on the protruding cylindrical boss on the connecting surface of the heater probe mounting plate; wherein the cylindrical boss matches the cylindrical groove on the back side of the baffle of the oxygen sensor slot to position the heater probe mounting plate relative to the wiring harness connector positioning plate, thereby positioning the heater probe relative to the oxygen sensor.

10. The mobile power-on device for a small oxygen sensor according to claim 4, characterized in that: A bolt hole for fixing the wiring harness connector positioning plate and the heating probe mounting plate is arranged in the middle of the top surface of the fixing portion.

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