CN210051159U

CN210051159U - Practical diffusion furnace pushes away boat and prevents excursion protection device

Info

Publication number: CN210051159U
Application number: CN201920634337.6U
Authority: CN
Inventors: 雷小龙; 李宝飞; 吕飞; 胡云川; 李富林
Original assignee: Tongwei Solar Chengdu Co Ltd
Current assignee: Tongwei Solar Chengdu Co Ltd
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-02-11
Anticipated expiration: 2029-05-06

Abstract

The utility model discloses a practical diffusion furnace pushes away boat and prevents excursion protection device relates to solar cell and makes technical field, the utility model relates to a practical diffusion furnace pushes away the boat and prevents excursion protection device, including quartz boat, laser range finding sensor one, laser range finding sensor two and SIC oar, the quartz boat is placed on the SIC oar, laser range finding sensor one and laser range finding sensor two all are fixed in on the oar head support of SIC oar, the utility model discloses can in time detect the positional deviation of quartz boat, protect quartz boat and silicon chip, avoid leading to the damage because of the deviation.

Description

Practical diffusion furnace pushes away boat and prevents excursion protection device

Technical Field

The utility model belongs to the technical field of solar cell makes, concretely relates to practical diffusion furnace pushes away boat and prevents excursion protection device.

Background

With the rapid development of the photovoltaic industry, manufacturers of solar and photovoltaic cell products are increasing continuously, the manufacturing cost control requirements of most enterprises become higher and higher, people tend to home-made main equipment for producing solar photovoltaic cell products, research and invention of equipment component parts and manufacturing cost tend to be reduced gradually, and the simple and flexible operation performance becomes a main concern of a plurality of battery product manufacturers.

For the diffusion furnace, in a limited space, the number of furnace tubes of a single device determines the capacity of the device, so that the device space is reduced as much as possible, the furnace bodies are vertically arranged, the capacity of a unit workshop can be effectively improved, and the quartz boat runs in a narrow space in the furnace tubes because the furnace bodies are densely distributed and the furnace tubes effectively ensure uniform gas fields in the tubes. Meanwhile, the paddle operation device is operated in a long-term high-temperature environment, so that the position deviation is easy to occur, once the deviation is greater than the safe stroke of the boat, the quartz boat cannot smoothly enter the furnace tube, the boat pushing phenomenon occurs, and the phenomenon easily causes the risk of product breakage and damage of the quartz boat.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the technical defects that the boat pushing phenomenon is easy to occur in the prior art, the products are broken and the quartz boat is damaged, the practical boat pushing deviation prevention protection device for the diffusion furnace is provided.

The utility model adopts the technical scheme as follows:

the utility model provides a practical diffusion furnace pushes away boat and prevents excursion protection device, includes quartz boat, laser range finding sensor one, laser range finding sensor two and SIC oar, the quartz boat is placed on the SIC oar, laser range finding sensor one and laser range finding sensor two all are fixed in on the oar head support of SIC oar.

Preferably, the device further comprises an L-shaped bracket, the L-shaped bracket is fixed on the paddle head bracket, and the first laser ranging sensor and the second laser ranging sensor are arranged up and down and fixed on the L-shaped bracket.

Preferably, the quartz boat comprises an end plate, the first laser ranging sensor sets the detection value to be 5mm in front of the end plate, and the second laser ranging sensor sets the detection value to be 5mm behind the end plate.

Preferably, the device also comprises a guide rail, and the paddle head bracket is connected with the guide rail in a sliding manner.

Preferably, there are two guide rails, and the two guide rails are arranged in parallel.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up laser rangefinder sensor one and laser rangefinder sensor two, the real time monitoring skew, the power supply of the oar head moving motor that interrupts immediately when appearing the skew stops the action, and the protection quartz boat is not damaged or the silicon chip is damaged by the collision.

2. The utility model discloses in, the quartz boat is placed on SIC oar, and on the oar head of SIC oar was fixed in the transmission belt that is driven by oar head moving motor, moved along with transmission belt, through oar head support and guide rail sliding connection, the guide rail was parallel with transmission belt's direction of transmission, through the line of movement of guide rail restriction oar head support, adopted two guide rails, alleviateed oar head support and followed oar head moving motor and frequently open and stop the switching-over to the load of guide rail, improved the life of guide rail.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a front view of the present invention.

Fig. 2 is a partial enlarged view a of the present invention.

Fig. 3 is the utility model discloses laser rangefinder sensor one and laser rangefinder sensor two during operation schematics.

Fig. 4 is the embodiment of the present invention discloses a first laser ranging sensor and a second laser ranging sensor circuit access schematic diagram.

The labels in the figure are: the device comprises a 1-quartz boat, an 11-end plate, a 2-laser ranging sensor I, a 3-laser ranging sensor II, a 4-SIC paddle, a 41-paddle head support, a 5-L-shaped support, a 6-guide rail and a 7-silicon wafer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The features and properties of the present invention are described in further detail below with reference to examples.

Example 1

The utility model discloses preferred embodiment provides a practical diffusion furnace pushes away boat and prevents excursion protection device, including quartz boat 1, laser range finding sensor 2, two 3 of laser range finding sensor and SIC oar 4, quartz boat 1 is placed on SIC oar 4, laser range finding sensor 2 and two 3 of laser range finding sensor all are fixed in on SIC oar 4's the oar head support 41.

The device is characterized by further comprising an L-shaped support 5, wherein the L-shaped support 5 is fixed on the paddle head support 41, and the first laser ranging sensor 2 and the second laser ranging sensor 3 are arranged up and down and fixed on the L-shaped support 5.

The quartz boat 1 comprises an end plate 11, a first laser ranging sensor 2 sets a detection value to be 5mm in front of the end plate 11, and a second laser ranging sensor 3 sets a detection value to be 5mm behind the end plate 11.

The working principle of the embodiment is as follows:

the measurement principle is as follows: the first laser ranging sensor 2 and the second laser ranging sensor 3 determine whether to effectively output high and low level signals by measuring whether an obstacle exists in a certain distance in front of the sensors; the measured distance may be set by debugging. Outputting a low level signal 0V when the position of the detected object is greater than the set distance from the detection sensor; the detected object is less than the set distance from the sensor, and a high-level signal 24V is output.

The debugging method comprises the following steps: utilize the baffle to block 1 end plate of quartz boat 11 rear 5mm department, the response of laser rangefinder sensor two 3 is effective, removes baffle to 1 end plate of quartz boat 11 departments, and debugging laser rangefinder sensor is one 2 effective. In a normal state, when the quartz boat 1 is not in a deflection state on the paddle, the first laser ranging sensor 2 outputs a high-level 24V signal labeled V1, and the second laser ranging sensor 3 outputs a low-level 0V signal labeled V2.

The first laser ranging sensor 2 and the second laser ranging sensor 3 respectively output signals V1 and V2 which are connected to the intermediate relay K coil through the diode 1 and the diode 2, the V1 and the V2 are used for driving the intermediate relay K coil to close contacts, and meanwhile, the input end of a motor controller of the paddle head moving motor is connected to the normally open position of the intermediate relay K. When the detection point position is abnormal, the coil of the intermediate relay K loses points and is in an open circuit state, the paddle head moving motor loses power and stops acting, and the quartz boat 1 is protected from being damaged by collision or the silicon chip 7 is protected from being damaged.

The first laser ranging sensor 2 and the second laser ranging sensor 3 are installed in an installation groove reserved in the L-shaped support 5, the L-shaped support 5 is installed on the paddle head support 41 in a bolt or welding connection mode, and the first laser ranging sensor 2 and the second laser ranging sensor 3 are powered by a power supply module of the diffusion furnace.

Example 2

The preferred embodiment of the present invention is optimized as follows on the basis of the first embodiment, and further comprises a guide rail 6, and the paddle head bracket 41 is slidably connected with the guide rail 6.

The number of the guide rails 6 is two, and the two guide rails 6 are arranged in parallel.

The working principle of the embodiment is as follows: the quartz boat 1 is placed on the SIC paddle 4, the paddle head of the SIC paddle 4 is fixed on a transmission belt driven by a paddle head moving motor, moves along with the transmission belt, is connected with the guide rail 6 in a sliding mode through the paddle head support 41, the guide rail 6 is parallel to the transmission direction of the transmission belt, the moving route of the paddle head support 41 is limited through the guide rail 6, two guide rails 6 are adopted, the load of the paddle head support 41 on the guide rail 6 caused by frequent starting, stopping and reversing of the paddle head moving motor is reduced, and the service life of the guide rail 6 is prolonged.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a practical diffusion furnace pushes away boat and prevents excursion protection device which characterized in that: including quartz boat (1), laser range finding sensor (2), laser range finding sensor two (3) and SIC oar (4), quartz boat (1) is placed on SIC oar (4), laser range finding sensor (2) and laser range finding sensor two (3) are all fixed in on oar head support (41) of SIC oar (4).

2. The practical boat pushing deviation-preventing protection device of the diffusion furnace as claimed in claim 1, wherein: the laser ranging device is characterized by further comprising an L-shaped support (5), wherein the L-shaped support (5) is fixed on the paddle head support (41), and the first laser ranging sensor (2) and the second laser ranging sensor (3) are vertically arranged and fixed on the L-shaped support (5).

3. The practical boat pushing deviation-preventing protection device of the diffusion furnace as claimed in claim 1, wherein: the quartz boat (1) comprises an end plate (11), the first laser ranging sensor (2) is set to detect the position of 5mm in front of the end plate (11), and the second laser ranging sensor (3) is set to detect the position of 5mm behind the end plate (11).

4. The practical boat pushing deviation-preventing protection device of the diffusion furnace as claimed in claim 1, wherein: the paddle head support is characterized by further comprising a guide rail (6), and the paddle head support (41) is connected with the guide rail (6) in a sliding mode.

5. The practical boat pushing deviation-preventing protection device of the diffusion furnace as claimed in claim 4, wherein: the number of the guide rails (6) is two, and the two guide rails (6) are arranged in parallel.