Full-cell online temperature detection device for aluminum electrolysis cell

Abstract

The utility model discloses a full-cell online temperature detection device for an aluminum electrolysis cell, which relates to the technical field of aluminum electrolysis and comprises M temperature transmitters, N conversion boxes and an upper computer, the M temperature transmitters are all connected into the aluminum electrolysis cell, the signal output ends of the M temperature transmitters are respectively connected with the signal input ends of the N conversion boxes, and the signal output ends of the N conversion boxes are all connected with the upper computer; each conversion box is provided with X signal input ends, and the N conversion boxes are used for collecting temperature detection signals sent by the M temperature transmitters and sending the temperature detection signals to the upper computer; wherein M is smaller than or equal to N.X. According to the utility model, the signal output ends of the plurality of temperature transmitters are collected to the conversion box and then are transmitted to the upper computer, so that the problems of mutual interference and large heat production of excessive wiring harnesses of the temperature transmitters and the upper computer in the prior art are solved, the accuracy and safety of temperature detection are improved, and the difficulty of wiring and troubleshooting is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum electrolysis, in particular to an online temperature detection device for the entire aluminum electrolysis tank. Background Art

[0002] With the large-scale and digitalization of aluminum electrolytic cells, there are more and more online full-tank temperature collection harnesses for aluminum electrolytic cells. In the prior art, there are many online temperature collection data transmission lines for the full tank, and they are connected to the tank control machine at the same time. Taking the temperature collection of the full tank of a 500KA aluminum electrolytic cell as an example, there are 158 collection points, corresponding to 158 harnesses. There are too many harnesses, and there is a risk of burns during the operation of the aluminum electrolytic cell. When multiple harnesses are collected and connected to the tank control machine at the same time, data interference and inaccurate measurement results will occur. Utility Model Content

[0003] The purpose of the utility model is to provide an online temperature detection device for the entire aluminum electrolytic cell. The utility model collects the signal output ends of multiple temperature transmitters into a conversion box and then transmits them to a host computer, thereby solving the problems of excessive wiring harnesses interfering with each other and generating large amounts of heat between the temperature transmitter and the host computer in the prior art, thereby improving the accuracy and safety of temperature detection and reducing the difficulty of wiring and troubleshooting.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] An online temperature detection device for the entire aluminum electrolytic cell, the device comprising: M temperature transmitters, N conversion boxes and a host computer;

[0006] The M temperature transmitters are all connected to the aluminum electrolysis cell, the signal output ends of the M temperature transmitters are respectively connected to the signal input ends of the N conversion boxes, and the signal output ends of the N conversion boxes are all connected to the host computer; each of the conversion boxes has X signal input ends, and the N conversion boxes are used to collect temperature detection signals emitted by the M temperature transmitters and send them to the host computer; wherein M is less than or equal to N·X.

[0007] Optionally, the conversion box is arranged on a cement column at the bottom of the aluminum electrolysis cell.

[0008] Optionally, the conversion box specifically includes: a box body and a main board;

[0009] The mainboard is arranged in the box, a plurality of input terminals of the mainboard are respectively connected to a plurality of signal output terminals of the temperature transmitters, and the signal output terminal of the mainboard is connected to the host computer.

[0010] Optionally, the interface of the signal output end of the mainboard is an RJ45 interface.

[0011] Optionally, the value of X is 40.

[0012] Optionally, the value of N is 6.

[0013] Optionally, the host computer is a slot control computer.

[0014] Optionally, the model of the temperature transmitter is WZP-PT100.

[0015] According to the specific embodiments provided by the utility model, the utility model discloses the following technical effects:

[0016] The utility model connects M temperature transmitters to the aluminum electrolytic cell, and the signal output ends of the M temperature transmitters are respectively connected to the signal input ends of N conversion boxes, and the signal output ends of the N conversion boxes are all connected to a host computer; each conversion box has X signal input ends, and the N conversion boxes are used to collect temperature detection signals emitted by the M temperature transmitters and send them to the host computer, thereby solving the problems of excessive wiring harnesses between the temperature transmitter and the host computer and large heat generation in the prior art, improving the accuracy and safety of temperature detection, and reducing the difficulty of wiring and troubleshooting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 A structural connection diagram of an online temperature detection device for the entire aluminum electrolytic cell provided by an embodiment of the utility model;

[0019] Figure 2 A diagram showing the position of a conversion box for an online temperature detection device for the entire aluminum electrolytic cell provided in an embodiment of the utility model.

[0020] Explanation of symbols:

[0021] Temperature transmitter-1, conversion box-2, host computer-3, box body-21, main board-22. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The purpose of the utility model is to provide an online temperature detection device for the entire aluminum electrolytic cell. By collecting the signal output ends of multiple temperature transmitters into a conversion box and then transmitting them to a host computer, the problems of excessive wiring harnesses of the temperature transmitter and the host computer interfering with each other and generating large amounts of heat in the prior art are solved, the accuracy and safety of temperature detection are improved, and the difficulty of wiring and troubleshooting is reduced.

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0025] Embodiment 1

[0026] like Figure 1-2 As shown, the utility model provides an online temperature detection device for the entire aluminum electrolytic cell, the device comprising: M temperature transmitters 1, N conversion boxes 2 and a host computer 3.

[0027] M temperature transmitters 1 are connected to the aluminum electrolytic cell, and the signal output ends of the M temperature transmitters 1 are respectively connected to the signal input ends of the N conversion boxes 2, and the signal output ends of the N conversion boxes 2 are connected to the host computer 3; each conversion box 2 has X signal input ends, and the N conversion boxes 2 are used to collect the temperature detection signals sent by the M temperature transmitters 1 and send them to the host computer 3; where M is less than or equal to N·X. The value of X is 40, and the value of N is 6.

[0028] Optionally, the conversion box 2 is arranged on a cement column at the bottom of the aluminum electrolysis cell.

[0029] Optionally, the model of the temperature transmitter 1 is WZP-PT100.

[0030] Optionally, the conversion box 2 specifically includes: a box body 21 and a main board 22; the main board 22 is arranged in the box body 21, and multiple input terminals of the main board 22 are respectively connected to the signal output terminals of multiple temperature transmitters 1, and the signal output terminal of the main board 22 is connected to the host computer 3. The interface of the signal output terminal of the main board 22 is an RJ45 interface. The main board is used to aggregate the temperature detection signals transmitted by the multiple temperature transmitters 1 and transmit them to the slot control machine through the RJ45 interface.

[0031] Optionally, the upper computer 3 is a slot control computer.

[0032] In actual application, this embodiment divides the 158 temperature detection data transmission lines of the aluminum electrolytic cell into 6 groups. Each group of data transmission lines first connects the signal to the 6 conversion boxes 2, and the conversion boxes 2 transmit the signal to the data collector of the cell control machine. In this way, only 6 lines are connected to the cell control machine data collector, which solves the problem of 158 data transmission lines being connected to the cell control machine collector at the same time.

[0033] The utility model connects M temperature transmitters to the aluminum electrolytic cell, and the signal output ends of the M temperature transmitters are respectively connected to the signal input ends of N conversion boxes, and the signal output ends of the N conversion boxes are all connected to a host computer; each conversion box has X signal input ends, and the N conversion boxes are used to collect temperature detection signals emitted by the M temperature transmitters and send them to the host computer, thereby solving the problems of excessive wiring harnesses between the temperature transmitter and the host computer and large heat generation in the prior art, improving the accuracy and safety of temperature detection, and reducing the difficulty of wiring and troubleshooting, and having the advantages of simple installation, convenient wiring, and convenient troubleshooting and solving of faults.

[0034] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0035] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. At the same time, for those skilled in the art, according to the ideas of the utility model, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the utility model.

Claims

1. An online temperature detection device for the entire aluminum electrolytic cell, characterized in that: The device comprises: M temperature transmitters, N conversion boxes and a host computer; The M temperature transmitters are all connected to the aluminum electrolysis cell, the signal output ends of the M temperature transmitters are respectively connected to the signal input ends of the N conversion boxes, and the signal output ends of the N conversion boxes are all connected to the host computer; each of the conversion boxes has X signal input ends, and the N conversion boxes are used to collect temperature detection signals emitted by the M temperature transmitters and send them to the host computer; wherein M is less than or equal to N·X.

2. The online temperature detection device for the entire aluminum electrolytic cell according to claim 1 is characterized in that: The conversion box is arranged on a cement column at the bottom of the aluminum electrolysis cell.

3. The online temperature detection device for the entire aluminum electrolytic cell according to claim 1 is characterized in that: The conversion box specifically comprises: a box body and a main board; The mainboard is arranged in the box, a plurality of input terminals of the mainboard are respectively connected to a plurality of signal output terminals of the temperature transmitters, and the signal output terminal of the mainboard is connected to the host computer.

4. The online temperature detection device for the entire aluminum electrolytic cell according to claim 3 is characterized in that: The interface of the signal output end of the mainboard is an RJ45 interface.

5. The online temperature detection device for the entire aluminum electrolytic cell according to claim 1, characterized in that: The value of X is 40.

6. The online temperature detection device for the entire aluminum electrolytic cell according to claim 1, characterized in that: The value of N is 6.

7. The online temperature detection device for the entire aluminum electrolytic cell according to claim 1 is characterized in that: The host computer is a slot control computer.

8. The online temperature detection device for the entire aluminum electrolytic cell according to claim 1, characterized in that: The model of the temperature transmitter is WZP-PT100.

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