Mine air volume adjusting method and system, terminal and readable storage medium

Abstract

The invention relates to a mine air volume adjusting method and system, a terminal and a readable storage medium, and belongs to the technical field of mine ventilation. According to the air volume value Q, a pre-generated air volume characteristic curve Map table of the to-be-adjusted air window is called; determining an air window angle value A corresponding to the set air volume value Q according to the Map table; the air window angle is controlled and adjusted to A; a current actual air volume value Qr is obtained; the difference value between the current actual air volume value Qr and the set air volume value Q is obtained; whether the difference absolute value is not larger than the air volume error value Qw or not is judged; and if not, finely adjusting the angle of the air window according to a preset angle adjusting rule. The air volume adjusting device has the beneficial effect that the air volume can be rapidly, timely, reliably and stably adjusted.

Description

Technical Field

[0001] The present application relates to the technical field of mine ventilation, and in particular to a mine air volume regulation method, system, terminal and readable storage medium. Background Art

[0002] With the development of mining technology, the production capacity of mines is getting larger and larger, the air volume required by mines is getting larger and larger, the ventilation routes are getting longer and longer, and the structure of mine ventilation systems is becoming more and more complex. Therefore, the requirements for safe management of ventilation systems are getting higher and higher.

[0003] Air volume control is a regular and important task in the technical management of underground ventilation in coal mines, and it plays an extremely important role in ensuring safe production in mines. Adjusting the ventilation area of ​​the wind window is the most basic means of adjusting the air volume.

[0004] At present, the adjustment of on-site air volume is still basically done manually. Especially when multiple facilities are adjusted simultaneously, the adjustment process is time-consuming and labor-intensive, inefficient, and has poor reliability and stability. Summary of the invention

[0005] In order to facilitate rapid, timely, reliable and stable adjustment of air volume, the present application provides a mine air volume adjustment method and system.

[0006] In the first aspect, the present application provides a mine air volume adjustment method, which adopts the following technical solution: A mine air volume adjustment method, comprising: Receive the set air volume value Q; According to the set air volume value Q, retrieve the air volume characteristic curve Map table pre-generated for the air window to be adjusted; According to the Map table, determine the wind window angle value A corresponding to the set wind volume value Q; Control and adjust the wind window angle to A; Get the current actual air volume value Qr; Obtaining the difference between the current actual air volume value Qr and the set air volume value Q; Determine whether the absolute value of the difference is not greater than the air volume error value Qw; If not, fine-tune the wind window angle according to the preset angle adjustment rules.

[0007] By adopting the above technical solution, since the wind window to be adjusted has pre-generated an air volume characteristic curve Map table, after receiving the set air volume value Q, the wind window angle value A corresponding to the set air volume value Q can be directly determined in the Map table, so as to first control the wind window angle to A; then obtain the current actual air volume value Qr, and then fine-tune the wind window angle according to the difference between the current actual air volume value Qr and the set air volume value Q, so that the absolute value of the difference between the two is within the allowable air volume error value; since the wind window can be directly adjusted to A, and then fine-tuned based on the angle value A, it is convenient to adjust the air volume quickly, timely, reliably and stably.

[0008] Optionally, the specific steps of determining the wind window angle value A corresponding to the set wind volume value Q according to the Map table include: .

[0009] By adopting the above technical solution, two Map values ​​that are greater than the set wind volume value Q and less than the set wind volume value Q are screened, so that the calculation result of the wind window angle value A can be made more accurate.

[0010] Optionally, the angle adjustment rule includes: Fine-tune the wind window based on 1°.

[0011] Optionally, the step of generating an air volume characteristic curve Map table includes: According to the preset angle adjustment rules, adjust the wind window angle values ​​in sequence, and the angle values ​​are adjusted from 0° to 90°; After each adjustment, when the air volume is stable, obtain the air volume value corresponding to the angle value; A Map table is generated and stored according to a number of angle values ​​and corresponding wind volume values.

[0012] By adopting the above technical solution, the Map table includes various angles and corresponding wind volume values, which is convenient for later retrieval and use.

[0013] Optionally, the angle adjustment rule includes: Adjust based on 5°.

[0014] Optionally, the conditions for stable air volume include: The difference between the current wind volume value and the wind volume value of the previous minute is less than 5% of the current wind volume value; or, After adjusting the windshield, the interval to the next adjustment is greater than 30 minutes.

[0015] In the second aspect, the present application provides a mine air volume regulation system, which adopts the following technical solution: A mine air volume regulating system, comprising: An air volume value receiving module is used to receive a set air volume value Q; A map table retrieval module, used to retrieve the air volume characteristic curve map table pre-generated for the air window to be adjusted according to the air volume value Q; A wind window angle value determination module, used to determine the wind window angle value A corresponding to the set wind volume value Q according to the Map table; A control module, used for controlling and adjusting the wind window angle value A; The air volume value acquisition module is used to obtain the current actual air volume value Qr; An air volume difference acquisition module is used to obtain the difference between the current actual air volume value Qr and the set air volume value Q; The judgment module is used to judge whether the absolute value of the difference is not greater than the wind volume error value Qw; if not, the control module fine-tunes the wind window angle according to a preset angle adjustment rule.

[0016] By adopting the above technical solution, since the wind window to be adjusted has pre-generated an air volume characteristic curve Map table, after receiving the set air volume value Q, the wind window angle value A corresponding to the set air volume value Q can be directly determined in the Map table, so as to first control the wind window angle to A; then obtain the current actual air volume value Qr, and then fine-tune the wind window angle according to the difference between the current actual air volume value Qr and the set air volume value Q, so that the absolute value of the difference between the two is within the allowable air volume error value; since the wind window can be directly adjusted to A, and then fine-tuned based on the angle value A, it is convenient to adjust the air volume quickly, timely, reliably and stably.

[0017] In a third aspect, the present application provides a terminal, which adopts the following technical solution: A terminal, comprising: A memory storing a mine air volume adjustment program; The processor is used to execute the program stored in the memory to implement the steps of the above-mentioned mine air volume regulation method.

[0018] In a fourth aspect, the present application provides a computer-readable storage medium, which adopts the following technical solution: A computer-readable storage medium stores a computer program that can be loaded by a processor and execute the above-mentioned mine air volume regulation method.

[0019] In summary, the present application has at least the following beneficial effects: Since the wind window to be adjusted has pre-generated an air volume characteristic curve Map table, after receiving the set air volume value Q, the wind window angle value A corresponding to the set air volume value Q can be directly determined in the Map table, so as to first control the wind window angle to A; then obtain the current actual air volume value Qr, and then fine-tune the wind window angle according to the difference between the current actual air volume value Qr and the set air volume value Q, so that the absolute value of the difference between the two is within the allowable air volume error value; since the wind window can be directly adjusted to A, and then fine-tuned based on the angle value A, it is convenient to adjust the air volume quickly, timely, reliably and stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a flowchart of an embodiment of the method of the present application; Figure 2 It is a flowchart of a specific step of S130; Figure 3 It is a structural block diagram of an implementation method of the first embodiment of the system of the present application; Figure 4 It is a structural block diagram of another implementation method of the system embodiment of the present application.

[0021] Explanation of the accompanying drawings: 110, air volume value receiving module; 120, Map table retrieval module; 130, wind window angle value determination module; 131, search unit; 132, calculation unit; 140, control module; 150, air volume value acquisition module; 160, air volume difference acquisition module; 170, judgment module; 180, recording module; 190, Map table generation module; 210, Map table storage module; 220, air volume stability signal sending module; 230, duration acquisition module; 240, duration judgment module. DETAILED DESCRIPTION

[0022] To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will be combined with the appended drawings of the embodiments of the present invention. Figure 1 -Attached Figure 4 , the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] The first embodiment of the present application discloses a method for regulating the air volume in a mine. Figure 1 As an implementation of the adjustment method, the adjustment method may include S110-S1: S110, receiving a set air volume value Q; S120, according to the set air volume value Q, retrieve the air volume characteristic curve Map table pre-generated for the air window to be adjusted; S130, determining the wind window angle value A corresponding to the set wind volume value Q according to the Map table; S140, controlling and adjusting the wind window angle to A; S150, obtaining the current actual air volume value Qr; S160, obtaining the difference between the current actual air volume value Qr and the set air volume value Q; S170, determining whether the absolute value of the difference is not greater than the air volume error value Qw; S180: If not, fine-tune the wind window angle according to a preset angle adjustment rule.

[0024] Specifically, the set wind volume value Q can be sent by the staff; after receiving the set wind volume value Q, the wind volume characteristic curve Map table pre-generated and stored for the wind window to be adjusted is retrieved, and the corresponding wind window angle value A is determined according to the Map table, and then the wind window angle is controlled to be adjusted to A. After adjustment, the current actual wind volume value Qr of the adjustable wind window is obtained through the wind volume sensor, and then Qr-Q is obtained, and it is determined whether |Qr-Q| ≤ Qw. If not, the wind window angle is fine-tuned according to the preset angle adjustment rule until |Qr-Q| ≤ Qw; Qw is the preset allowable wind volume error. The angle adjustment rule can be to fine-tune the wind window based on 1°, which can be changed and set by the background staff; for example, A is 20°, at this time |Qr-Q|>Qw, then the angle of the adjustable wind window is fine-tuned, and the adjustable wind window angle is controlled to be 21°. If |Qr-Q|=Qw at this time, it can be determined that the angle of the adjustable wind window is 21°.

[0025] .

[0026] .

[0027] Reference Figure 2 The step of generating the air volume characteristic curve Map table may include S210-S230: S210, adjusting the wind window angle from 0° to 90° in sequence according to a preset angle adjustment rule; S220, after each adjustment, when the air volume is stable, obtaining the air volume value corresponding to the angle value; S230, generating and storing a Map table according to a number of angle values ​​and corresponding wind volume values.

[0028] Specifically, the angle adjustment rule may be adjusted based on 5°, and may be changed and set by backstage personnel.

[0029] The condition for stable air volume can be that the difference between the current air volume value and the air volume value of the previous minute is less than 5% of the current air volume value; or, after the wind window adjustment is completed, the interval to the next adjustment is greater than 30 minutes.

[0030] Adjust the wind window angle to 0°, and after the wind volume stabilizes, test the current wind volume value; and record the current angle value and the current wind volume value; then adjust the wind window angle to 5°, and after the wind volume stabilizes, test the current wind volume value, and record the current angle value and the current wind volume value; then adjust the wind window angle to 10°, 15°...90° respectively, and after the wind volume stabilizes, test the corresponding wind volume value and record it. .

[0031] Based on the above method embodiment, the second embodiment of the present application discloses a mine air volume adjustment system. Figure 3 As an embodiment of the regulating system, the regulating system may include: The air volume value receiving module 110 is used to receive a set air volume value Q; A map table retrieval module 120 is used to retrieve a pre-generated air volume characteristic curve map table of the air window to be adjusted according to the air volume value Q; The wind window angle value determination module 130 is used to determine the wind window angle value A corresponding to the set wind volume value Q according to the Map table; A control module 140, used for controlling and adjusting the wind window angle value A; The air volume value acquisition module 150 is used to obtain the current actual air volume value Qr; The air volume difference acquisition module 160 is used to obtain the difference between the current actual air volume value Qr and the set air volume value Q; The judgment module 170 is used to judge whether the absolute value of the difference is not greater than the wind volume error value Qw; if not, the control module 140 fine-tunes the wind window angle according to a preset angle adjustment rule.

[0032] The wind window angle value determination module 130 may include: .

[0033] Reference Figure 4 As another embodiment of the regulating system, the regulating system may further include: The recording module 180 and the control module 140 adjust the wind window from 0° to 90° in sequence according to the preset angle adjustment rules; the recording module 180 records the corresponding angle values, and after each adjustment, the wind volume value acquisition module 150 acquires the current wind volume value after the wind volume is stable, and the recording module 180 records the corresponding values; A map table generating module 190 generates a map table according to a plurality of angle values ​​and corresponding wind volume values; The map table storage module 210 is used to store the map table.

[0034] In addition, the regulation system also includes: The air volume stable signal sending module 220 is used to send a stable signal when the air volume is stable; The air volume stability determination module 170 is used to determine whether the difference between the current air volume value and the air volume value of the previous minute is less than 5% of the current air volume value; The duration acquisition module 230 is used to acquire the interval duration after adjusting the windshield; The duration determination module 240 is used to determine whether the interval duration is greater than 30 minutes.

[0035] The third embodiment of the present application provides a terminal. As an implementation of the terminal, the terminal may include: a memory and a processor; wherein: The memory is used to store the above-mentioned mine air volume adjustment program; The processor is used to execute the program stored in the memory to implement the steps of the above-mentioned mine air volume regulation method.

[0036] The memory may be connected to the processor via a communication bus, and the communication bus may be an address bus, a data bus, a control bus, etc.

[0037] In addition, the memory may include a random access memory (RAM) and may also include a non-volatile memory (NVM), such as at least one disk storage.

[0038] And the processor can be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; it can also be a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.

[0039] The fourth embodiment of the present application provides a computer-readable storage medium storing a computer program that can be loaded by a processor and execute the above-mentioned mine air volume regulation method.

[0040] Computer-readable storage media can be any available media that can be accessed by a computer or a data storage device such as a server or data center that includes one or more available media. The available media can be magnetic media (e.g., floppy disks, hard disks, tapes), optical media (e.g., DVDs), or semiconductor media (e.g., solid-state drives).

[0041] The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application in sequence. Any feature disclosed in this specification (including the abstract and drawings), unless otherwise stated, can be replaced by other equivalent or alternative features with similar purposes. That is, unless otherwise stated, each feature is only an example of a series of equivalent or similar features.

Claims

1. A mine air volume adjustment method, characterized in that: include: Receive the set air volume value Q; According to the air volume value Q, retrieve the air volume characteristic curve Map table pre-generated for the air window to be adjusted; According to the Map table, determine the wind window angle value A corresponding to the set wind volume value Q; Control and adjust the wind window angle to A; Get the current actual air volume value Qr; Obtaining the difference between the current actual air volume value Qr and the set air volume value Q; Determine whether the absolute value of the difference is not greater than the air volume error value Qw; If not, fine-tune the wind window angle according to the preset angle adjustment rules.

2. A mine air volume adjustment method according to claim 1, characterized in that: The specific steps of determining the wind window angle value A corresponding to the set wind volume value Q according to the Map table include: 。 3. A mine air volume adjustment method according to claim 1, characterized in that: The angle adjustment rules include: Fine-tune the wind window based on 1°.

4. A mine air volume adjustment method according to claim 1, characterized in that: The step of generating the air volume characteristic curve Map table comprises: According to the preset angle adjustment rules, adjust the wind window angle values ​​in sequence, and the angle values ​​are adjusted from 0° to 90°; After each adjustment, when the air volume is stable, obtain the air volume value corresponding to the angle value; A Map table is generated and stored according to a number of angle values ​​and corresponding wind volume values.

5. A mine air volume adjustment method according to claim 4, characterized in that: The angle adjustment rules include: Adjust based on 5°.

6. A mine air volume adjustment method according to claim 4, characterized in that: The conditions for stable air volume include: The difference between the current wind volume value and the wind volume value of the previous minute is less than 5% of the current wind volume value; or, After the current adjustment is completed, the interval to the next adjustment is greater than 30 minutes.

7. A mine air volume regulation system, characterized in that: include: An air volume value receiving module (110), used for receiving a set air volume value Q; A map table retrieval module (120), used to retrieve a pre-generated air volume characteristic curve map table of the air window to be adjusted according to the air volume value Q; A wind window angle value determination module (130), used for determining the wind window angle value A corresponding to the set wind volume value Q according to the Map table; A control module (140), used for controlling and adjusting the wind window angle value A; An air volume value acquisition module (150) is used to obtain a current actual air volume value Qr; An air volume difference acquisition module (160), used for acquiring the difference between the current actual air volume value Qr and the set air volume value Q; The judgment module (170) is used to judge whether the absolute value of the difference is not greater than the wind volume error value Qw; if not, the control module (140) fine-tunes the wind window angle according to a preset angle adjustment rule.

8. A terminal, characterized in that: include: A memory storing a mine air volume adjustment program; A processor is used to execute the program stored in the memory to implement the steps of the mine air volume regulation method as described in any one of claims 1-6.

9. A computer-readable storage medium, characterized in that: A computer program is stored which can be loaded by a processor and execute the method for regulating the mine air volume as claimed in any one of claims 1 to 6.

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