Ventilation device and ventilation assembly

Abstract

The utility model relates to a ventilation device and a ventilation assembly. The ventilation device comprises a shell, a ventilation structure and a test structure. The shell is provided with an accommodating cavity. The shell is provided with a testing opening used for being communicated with a mine. The ventilation structure comprises a second fan, an air inlet pipe and an air outlet pipe. The air inlet pipe and the air outlet pipe are both communicated with the containing cavity. The second fan is located in the containing cavity. The second fan is used for conveying air into the mine through the air inlet pipe, the containing cavity and the air outlet pipe in sequence. And the testing structure comprises a testing box body and an oxygen concentration tester connected to the testing box body. The test box body is arranged in the accommodating cavity and is communicated with the test port so as to collect part of air in the mine through the test port. The oxygen concentration tester is used for testing the oxygen content of part of air.

Description

Technical Field

[0001] The present disclosure relates to the technical field of underground ventilation in coal mines, and in particular to a ventilation device and a ventilation component. Background Art

[0002] Coal mine ventilation devices are important equipment that delivers enough fresh air to the underground to increase the oxygen concentration in the mine and meet the workers' demand for oxygen. At the same time, it dilutes harmful gases and dust such as carbon monoxide, carbon dioxide, nitrogen dioxide, sulfur dioxide, hydrogen sulfide, and methane in the mine, maintains normal production conditions, regulates the climate underground, creates a good working environment, and ensures the safety and health of workers.

[0003] However, when the ventilation device is in use, it is impossible to test the oxygen content of the air in the mine in a timely manner, which can easily lead to a low oxygen content in the air in the mine, and thus seriously affect the safety of the workers' underground operations. Utility Model Content

[0004] The purpose of the present disclosure is to provide a ventilation device and a ventilation assembly, which can test the oxygen content of the air in the mine through a test structure when in use, so as to ensure the safety of underground operations of operators and at least partially solve related technical problems.

[0005] In order to achieve the above-mentioned purpose, according to the first aspect of the present disclosure, a ventilation device is provided. The ventilation device comprises: a shell having a accommodating cavity, the shell being provided with a test port for connecting to the mine; a ventilation structure comprising a second fan, an air inlet pipe and an air outlet pipe, the air inlet pipe and the air outlet pipe are both connected to the accommodating cavity, the second fan is located in the accommodating cavity, and the second fan is used to transport air to the mine via the air inlet pipe, the accommodating cavity and the air outlet pipe in sequence; and a test structure comprising a test box and an oxygen concentration tester connected to the test box, the test box is located in the accommodating cavity and is connected to the test port to collect part of the air in the mine through the test port, and the oxygen concentration tester is used to test the oxygen content of the part of the air.

[0006] Optionally, the test structure also includes a first fan, which is arranged in the accommodating cavity, the input end of the first fan is connected to the test port through an input pipe, and the output end of the first fan is connected to the test box through an output pipe, and the first fan is used to transport part of the air in the mine to the test box.

[0007] Optionally, the test structure further includes an exhaust pipe with a switch valve, one end of the exhaust pipe is connected to the test box, and the other end passes through the shell and extends to the outside of the shell, so as to exhaust part of the air in the test box.

[0008] Optionally, the ventilation device also includes an oxygen production structure, which includes an oxygen generator and an oxygen supply pipe. The oxygen generator is arranged in the accommodating cavity, the input end of the oxygen supply pipe is connected to the oxygen generator, and the output end of the oxygen supply pipe is connected to the air outlet pipe.

[0009] Optionally, the ventilation device further comprises a switch structure disposed in the accommodating cavity, the switch structure comprising a first switch and a second switch, the first switch being connected to the first fan signal, and the second switch being connected to the oxygen generator signal.

[0010] Optionally, the ventilation device further comprises a mounting structure disposed in the accommodating cavity, the mounting structure comprises a mounting plate, and the switch structure is fixed to the inner wall of the shell via the mounting plate.

[0011] Optionally, the ventilation device further comprises a controller, and the first switch, the second switch, the oxygen concentration tester and the switch valve on the exhaust pipe are all connected to the controller signal.

[0012] Optionally, the shell is further provided with an air inlet and an air outlet connected to the accommodating cavity on opposite sides, the air inlet pipe is connected to the air inlet, the air outlet pipe is connected to the air outlet, and the second fan is located between the air inlet and the air outlet.

[0013] Optionally, the ventilation device further comprises a positioning structure, the positioning structure comprising at least one positioning plate having a positioning hole, the positioning plate being connected to the shell, the positioning hole being used for a positioning member to pass through so as to position the shell at a set position in the mine.

[0014] According to a second aspect of the present disclosure, a ventilation assembly is provided, which comprises at least two ventilation devices as described above, wherein two adjacent ventilation devices are connected to each other via a retractable connecting pipe.

[0015] Through the above technical solution, i.e., the ventilation device and ventilation assembly. When air is introduced into the mine, the test box in the ventilation device can collect part of the air in the mine, and test the oxygen content of the part of the air through the oxygen concentration tester. The test result can be used as a reference for the oxygen content of the whole air in the mine, thereby, the oxygen content of the air in the mine can be timely and accurately known to ensure the safety of the underground operation of the operators.

[0016] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0018] Figure 1 is a schematic structural diagram of a ventilation assembly provided according to an embodiment of the present disclosure;

[0019] Figure 2 is a schematic diagram of the internal structure of a ventilation assembly provided according to an embodiment of the present disclosure;

[0020] Figure 3 yes Figure 2 A magnified schematic diagram of center A.

[0021] Description of Reference Numerals

[0022] 100. Ventilation assembly; 2. Connecting pipe; 1. Ventilation device; 11. Shell; 111. Accommodating cavity; 112. Test port; 113. Air inlet; 114. Air outlet; 12. Ventilation structure; 121. Second fan; 122. Air inlet pipe; 123. Air outlet pipe; 13. Test structure; 131. Test box; 132. Oxygen concentration tester; 133. First fan; 133a. Input pipe; 133b. Output pipe; 134. Exhaust pipe; 14. Oxygen production structure; 141. Oxygen production machine; 142. Oxygen supply pipe; 15. Switch structure; 151. First switch; 152. Second switch; 16. Mounting structure; 161. Mounting plate; 17. Positioning structure; 171. Positioning plate; 171a. Positioning hole. DETAILED DESCRIPTION

[0023] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0024] In the present disclosure, unless otherwise specified, “inside and outside” refer to the inside and outside of the corresponding component outline; in addition, it should be noted that the terms used, such as “first, second”, etc., are used to distinguish one element from another.

[0025] According to the first aspect of the present disclosure, Figure 3As shown, a ventilation device 1 is provided. The ventilation device 1 may include a housing 11, a ventilation mechanism and a test structure 13. The housing 11 has a housing cavity 111. A test port 112 for connecting to a mine is provided on the housing 11. The ventilation structure 12 may include a second fan 121, an air inlet pipe 122 and an air outlet pipe 123. The air inlet pipe 122 and the air outlet pipe 123 are both connected to the housing cavity 111. The second fan 121 is located in the housing cavity 111. The second fan 121 is used to transport air to the mine via the air inlet pipe 122, the housing cavity 111 and the air outlet pipe 123 in sequence. The test structure 13 may include a test box 131 and an oxygen concentration tester 132 connected to the test box 131. The test box 131 is located in the housing cavity 111 and is connected to the test port 112 to collect part of the air in the mine through the test port 112. The oxygen concentration tester 132 is used to test the oxygen content of part of the air. Through the above technical solution, when air is introduced into the mine, the test box 131 in the ventilation device 1 can collect part of the air in the mine, and test the oxygen content of this part of the air through the oxygen concentration tester 132. The test result can be used as a reference for the oxygen content of the entire air in the mine. Therefore, the oxygen content of the air in the mine can be known in a timely and accurate manner to ensure the safety of underground operations of the operators.

[0026] In some embodiments, Figure 3 As shown, in the test structure 13, the test box 131 collects part of the air in the mine through the test port 112, which can be specifically achieved in the following manner:

[0027] The test structure 13 may also include a first fan 133. The first fan 133 is disposed in the accommodating cavity 111. The input end of the first fan 133 is connected to the test port 112 through an input pipe 133a. The output end of the first fan 133 is connected to the test box 131 through an output pipe 133b. The first fan 133 is used to transport part of the air in the mine to the test box 131. When in use, the first fan 133 rotates, and part of the air in the mine can be collected into the test box 131 through the test port 112, the input pipe 133a, and the output pipe 133b in sequence. The technical solution of collecting part of the air by the first fan 133 in conjunction with the output pipe 133b and the input pipe 133a is simple and reliable.

[0028] In some embodiments, the test structure 13 may further include an exhaust pipe 134 having a switch valve (not shown in the figure). One end of the exhaust pipe 134 is connected to the test box 131, and the other end passes through the shell 11 and extends to the outside of the shell 11, so as to discharge part of the air in the test box 131. The setting of the exhaust pipe 134 enables part of the air input into the test box 131 via the first fan 133 to be discharged in real time through the exhaust pipe 134. In other words, the flow path of the part of the air passing through the test structure 13 may specifically be the test port 112, the input pipe 133a, the first fan 133, the output pipe 133b, the test box 131 and the exhaust pipe 134. Such a setting makes the part of the air tested by the oxygen concentration tester 132 always flow, and it is more accurate and reliable to use the oxygen content of the flowing part of the air as a reference for the oxygen content of the overall air in the mine. Furthermore, a switch valve is provided on the exhaust pipe 134, and the switch valve can close the exhaust pipe 134 when the first fan 133 stops running, that is, when the test structure 13 is not in the test state, so that the accommodating cavity 111 of the shell 11 is a sealed cavity, ensuring the normal operation of the ventilation structure 12. Optionally, the switch valve can be an electric valve.

[0029] In some embodiments, Figure 3 As shown, the ventilation device 1 may also include an oxygen production structure 14. The oxygen production structure 14 includes an oxygen generator 141 and an oxygen supply pipe 142. The oxygen generator 141 is arranged in the accommodating cavity 111. The input end of the oxygen supply pipe 142 is connected to the oxygen generator 141. The output end of the oxygen supply pipe 142 is connected to the air outlet pipe 123. The setting of the oxygen production structure 14 can cooperate with the test structure 13 to improve the reliability and practicality of the ventilation device 1. Specifically, when the ventilation device 1 is used, the oxygen content of the air can be tested by the test structure 13. When the test result shows that the oxygen content of the air in the mine is lower than the set threshold, the oxygen generator 141 in the oxygen production structure 14 can be used to perform oxygen production operation, and the oxygen produced by the oxygen generator 141 can be further transported to the air outlet pipe 123 of the ventilation structure 12 through the oxygen supply pipe 142, so that the oxygen content of the air transported to the mine through the air outlet pipe 123 can be increased. It should be noted that the working principle of the oxygen generator 141 belongs to the prior art and will not be described in detail in this article for the sake of brevity.

[0030] In some embodiments, the first fan 133 in the test structure 13 may also be connected to the oxygen generator 141 to better transport the oxygen produced by the oxygen generator 141 to the air outlet pipe 123 through the oxygen supply pipe 142 .

[0031] In some embodiments, Figure 3As shown, the ventilation device 1 may also include a switch structure 15 disposed in the accommodating cavity 111. The switch structure 15 may include a first switch 151 and a second switch 152. The first switch 151 is connected to the first fan 133 by signal. The second switch 152 is connected to the oxygen generator 141 by signal. Optionally, the first switch 151 may be selected as a timing switch. The use of the first switch 151 can realize the timing opening and closing of the first fan 133. Further, the first fan 133 can collect the air in the mine into the test box 131 for testing at a regular time. Such a testing method can take into account the consideration of the testing cost on the one hand, and the consideration of the testing accuracy on the other hand. The setting of the second switch 152 can control the opening and closing of the oxygen generator 141, and the mutual coordination of the first switch 151 and the second switch 152 can realize the automatic use of the ventilation device 1.

[0032] In some embodiments, Figure 3 As shown, the ventilation device 1 may further include a mounting structure 16 disposed in the accommodating cavity 111. For example, the mounting structure 16 may include a mounting plate 161. The switch structure 15 is fixed to the inner wall of the housing 11 through the mounting plate 161. The provision of the mounting plate 161 can reasonably arrange the installation positions of the first switch 151 and the second switch 152, and further. The mounting plate 161 can also provide a more reliable installation position, thereby improving the rationality of the overall structural arrangement of the ventilation device 1. Of course, it is understandable that the mounting structure 16 may also be other implementation methods such as buckles and slide grooves, which are not limited here, and those skilled in the art may make adjustments according to actual conditions.

[0033] In some embodiments, the ventilation device 1 may further include a controller. The first switch 151, the second switch 152, the oxygen concentration tester 132, and the switch valves on the exhaust pipe 134 are all connected to the controller signal. In the technical solution provided by the present disclosure, the first switch 151, the second switch 152, the oxygen concentration tester 132, and the switch valves on the exhaust pipe 134 are all connected to the controller signal, which can realize the automatic control of the switch valve configured as an electric valve and the first switch 151 configured as a timing switch, which is convenient for automated management. In addition, the controller can also control the opening and closing of the second switch 152 according to the measurement structure of the oxygen concentration tester, that is, control the opening and closing of the oxygen generator 141. For example, when the oxygen content is lower than a preset value or a preset range, the oxygen generator 141 is turned on, and when the oxygen content reaches a preset value or a preset range, the oxygen generator is turned off.

[0034] In some embodiments, Figure 3As shown, the housing 11 is provided with an air inlet 113 and an air outlet 114 respectively on opposite sides thereof, which are connected to the accommodating cavity 111. The air inlet pipe 122 is connected to the air inlet 113. The air outlet pipe 123 is connected to the air outlet 114. The second fan 121 is located between the air inlet 113 and the air outlet 114. The arrangement of the air inlet 113 and the air outlet 114 facilitates the installation and arrangement of the air inlet pipe 122 and the air outlet pipe 123 in the ventilation structure 12, thereby improving the rationality of the structural arrangement of the entire ventilation device 1.

[0035] In some embodiments, Figure 3 As shown, the ventilation device 1 may further include a positioning structure 17. The positioning structure 17 may include at least one positioning plate 171 having a positioning hole 171a. The positioning plate 171 is connected to the shell 11. The positioning hole 171a is used for the positioning member to pass through so as to position the shell 11 at a set position in the mine. The ventilation device 1 can be reliably and conveniently set at a set position in the mine through the positioning structure 17. Optionally, the positioning structure 17 may also be other implementation methods such as snaps and hooks, which are not limited here, and those skilled in the art may make design adjustments according to actual conditions.

[0036] According to a second aspect of the present disclosure, Figure 1 and Figure 2 As shown, a ventilation assembly 100 is provided. The ventilation assembly 100 includes at least two ventilation devices 1 as described above. The ventilation assembly 100 provided by the present disclosure can reliably and timely test the oxygen content of the air in the mine through the test structure 13 set in each ventilation device 1, and the test result can be used as a reference for the oxygen content of the overall air in the mine, thereby, the oxygen content of the air in the mine can be timely and accurately known to ensure the safety of the underground operation of the operators.

[0037] In some embodiments, two adjacent ventilation devices 1 can be connected to each other through a retractable connecting pipe 2. The provision of the retractable connecting pipe 2 can facilitate the storage of the ventilation assembly 100 on the one hand, and on the other hand, the retractable connecting pipe 2 can also enable the ventilation device 1 as a whole to be adaptively adjusted according to the depth of the mine, thereby improving the adaptability of the ventilation device 1.

[0038] In order to enable those skilled in the art to better understand the technical solution of the present application, the specific working process of the ventilation assembly 100 provided by the present disclosure will be described in detail below:

[0039] The operator can stretch the ventilation assembly 100 to a suitable length through the retractable connecting pipe 2. Each ventilation device 1 in the ventilation assembly 100 is installed at a set position in the mine through the positioning plate 171 on the housing 11. The second fan 121 is turned on, and the air is passed into the mine through the air inlet pipe 122 and the air outlet pipe 123 in turn. During the ventilation process, the first switch 151 is controlled to open at a fixed time. Under the condition that the first switch 151 is turned on, the first fan 133 is turned on, and the switch valve of the exhaust pipe 134 is turned on, so that part of the air in the mine is collected into the test box 131 through the test port 112, the input pipe 133a and the output pipe 133b in turn, and the oxygen concentration tester 132 connected to the test box 131 can test the oxygen content of this part of the air, and then know the oxygen content of the overall air in the mine. Part of the air after the test can be discharged in time through the exhaust pipe 134. When the test structure 13 shows that the oxygen content of the air is lower than the set value, the second switch 152 is controlled to be turned on. When the second switch 152 is turned on, the oxygen generator 141 is running, and the oxygen produced by the oxygen generator 141 can be transported to the air outlet pipe 123 via the oxygen supply pipe 142. When the oxygen content meets the requirements, the oxygen generator 141 can be controlled to be turned off, and the first switch 151 and the switch valve can be controlled to be closed. After a period of time, the first switch 151 is turned on again, and the above operation steps are repeated to achieve timely and accurate detection of the oxygen content of the air in the mine, and ensure the safety of the operator's underground operation. Among them, the controller can be, for example, a PLC controller or a single-chip microcomputer.

[0040] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0041] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0042] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A ventilation device, characterized in that: include: A shell having a containing cavity, wherein a test port for connecting to a mine is arranged on the shell; The ventilation structure comprises a second fan, an air inlet pipe and an air outlet pipe, wherein the air inlet pipe and the air outlet pipe are both connected to the accommodating cavity, the second fan is located in the accommodating cavity, and the second fan is used to make air pass through the air inlet pipe, the accommodating cavity and the air outlet pipe in sequence; as well as The test structure includes a test box and an oxygen concentration tester connected to the test box. The test box is arranged in the accommodating cavity and is connected to the test port to collect part of the air in the mine through the test port. The oxygen concentration tester is used to test the oxygen content of the part of the air.

2. The ventilation device according to claim 1, characterized in that The test structure also includes a first fan, which is arranged in the accommodating cavity. The input end of the first fan is connected to the test port through an input pipe, and the output end of the first fan is connected to the test box through an output pipe. The first fan is used to transport part of the air in the mine to the test box.

3. The ventilation device according to claim 2, characterized in that The test structure also includes an exhaust pipe with a switch valve, one end of which is connected to the test box, and the other end of which passes through the shell and extends to the outside of the shell to exhaust part of the air in the test box.

4. The ventilation device according to claim 3, characterized in that The ventilation device also includes an oxygen production structure, which includes an oxygen generator and an oxygen supply pipe. The oxygen generator is arranged in the accommodating cavity, the input end of the oxygen supply pipe is connected to the oxygen generator, and the output end of the oxygen supply pipe is connected to the air outlet pipe.

5. The ventilation device according to claim 4, characterized in that The ventilation device also includes a switch structure arranged in the accommodating cavity, and the switch structure includes a first switch and a second switch, the first switch is connected to the first fan signal, and the second switch is connected to the oxygen generator signal.

6. The ventilation device according to claim 5, characterized in that The ventilation device also includes a mounting structure disposed in the accommodating cavity, the mounting structure includes a mounting plate, and the switch structure is fixed to the inner wall of the shell through the mounting plate.

7. The ventilation device according to claim 5, characterized in that The ventilation device also includes a controller, and the first switch, the second switch, the oxygen concentration tester and the switch valve on the exhaust pipe are all connected to the controller signal.

8. The ventilation device according to claim 1, characterized in that The shell is also provided with an air inlet and an air outlet connected to the accommodating cavity on opposite sides, the air inlet pipe is connected to the air inlet, the air outlet pipe is connected to the air outlet, and the second fan is located between the air inlet and the air outlet.

9. The ventilation device according to claim 1, characterized in that The ventilation device further comprises a positioning structure, which comprises at least one positioning plate having a positioning hole, wherein the positioning plate is connected to the shell, and the positioning hole is used for a positioning member to pass through so as to position the shell at a set position in the mine.

10. A ventilation assembly, characterized in that: The ventilation assembly comprises at least two ventilation devices according to any one of claims 1 to 9, and two adjacent ventilation devices are connected to each other via a retractable connecting pipe.

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