Gas detection device of air-conditioned cold store

By designing drive and lifting components in the controlled atmosphere storage, comprehensive and multiple sampling and detection of gases can be achieved, solving the problems of slow response speed and low accuracy of traditional sensors. This enables real-time and accurate monitoring of gas composition and improves gas management effectiveness.

CN223678899UActive Publication Date: 2025-12-16SHANDONG TAOHUAYUAN FRESH PRESERVATION CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423227441.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-16
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Traditional gas sensors in controlled atmosphere storage facilities suffer from slow response speed, low accuracy, and susceptibility to environmental interference, making it impossible to monitor the gas composition in the storage facility in real time and affecting the gas management effect of the controlled atmosphere storage facility.

Method used

A gas detection device for a controlled atmosphere storage facility was designed. Through a drive component, a lifting component, and a sampling component, it enables omnidirectional and multiple sampling and detection at different heights and directions within the controlled atmosphere storage facility. The detection component is used for accurate detection, and staff are notified via an exhaust fan and an alarm.

Benefits of technology

It enables comprehensive and accurate detection of gas components within the controlled atmosphere storage facility, ensuring real-time accuracy and effectiveness of gas management.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223678899U_ABST
    Figure CN223678899U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of gas detection, in particular to a gas detection device of an air-conditioned cold store, which comprises an air-conditioned cold store body, a driving component is arranged on the top surface of the inner side of the air-conditioned cold store body, a sampling mechanism is arranged through the driving component, the sampling mechanism comprises a lifting component and a sampling component, and the sampling component comprises a transverse connecting pipe and a collecting port. The transverse connecting pipe is connected with the driving assembly through a telescopic rod, and the driving assembly is further provided with a detection assembly communicating with the transverse connecting pipe. According to the air-conditioned cold store, gas in the air-conditioned cold store body can be sampled and detected for multiple times in all directions at different heights and in different directions through the driving assembly and the lifting assembly, and the comprehensiveness and more accuracy of sampling results are ensured.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to gas detection technical field, concretely relates to a gas detection device of CA storage. BACKGROUND

[0002] In the management and operation of CA storage, the gas detection device is crucial to ensure the stability and safety of the gas composition in the warehouse. Traditional methods usually use gas sensors to detect the concentration of oxygen, carbon dioxide and other gases in the warehouse. However, these traditional sensors have slow response speed, low accuracy and are easily disturbed by environmental factors, which makes it impossible to monitor the gas composition in the warehouse in real time and accurately, thereby affecting the gas management effect of CA storage.

[0003] The utility model patent with the authorization publication number CN221038819U discloses a detection device for chemical gas, which comprises a moving assembly, a sampling assembly, a detection assembly and a recycling processing assembly. The moving assembly comprises a horizontal sliding rail, a lifting screw, a horizontal sliding block, a lifting sliding seat and a lifting support. The sampling assembly is fixedly arranged on the lifting sliding seat, and the lifting sliding seat is used to drive the sampling assembly to move up and down and left and right. The detection assembly is connected with the inlet of the sampling assembly and is used to detect the sampled gas. The recycling processing assembly comprises a waste liquid recycling pool. The waste liquid recycling pool is connected with the outlet of the sampling assembly and is used to recycle the detected gas. The detection device can be applied to more different chemical equipment exhaust ports through horizontal and vertical adjustment of the gas sampling pipe, so as to perform exhaust detection and make it applicable in more scenes, thereby improving the practicability of the detection device.

[0004] Although the above technical solution samples and detects the gas to be detected at different heights through the moving assembly, the sampling assembly and the detection assembly, it does not provide a corresponding solution for gas in different directions, so the sampling range is not comprehensive enough and the detection result is not accurate enough. In view of this, we propose an effective and implementable solution to solve the above deficiencies, namely a gas detection device for CA storage. UTILITY MODEL CONTENT

[0005] In view of the above defects or deficiencies in the prior art, it is desirable to provide a gas detection device for CA storage.

[0006] The first aspect of the application provides a gas detection device of a controlled atmosphere storage, comprising a controlled atmosphere storage body, a driving assembly is rotatably connected to the middle of the inner top surface of the controlled atmosphere storage body, the driving assembly comprises a driving gear plate and a driven gear plate which are engaged with each other, a sampling mechanism is installed on the bottom surface of the driven gear plate, the sampling mechanism comprises a lifting assembly, the lifting assembly comprises a vertical screw rod, a sampling assembly is connected to the outer side of the screw rod through a sliding block which is threadedly connected to the screw rod, the sampling assembly comprises a transverse connecting pipe which is fixedly connected to the sliding block, a collecting opening in the shape of a bell mouth is integrally formed on the end of the transverse connecting pipe away from the sliding block, a telescopic rod is connected between the top surface of the transverse connecting pipe close to the collecting opening and the bottom surface of the driven gear plate, and the bottom surface of the driven gear plate is further provided with a detection assembly which is connected in communication with the transverse connecting pipe through a pipeline.

[0007] According to the technical scheme provided by the embodiment of the application, the inner top surface of the controlled atmosphere storage body is fixedly installed with a rotating shaft, and the rotating shaft is rotatably connected to the driven gear plate through a bearing.

[0008] According to the technical scheme provided by the embodiment of the application, the driving assembly further comprises a first motor which is fixedly installed on the inner top surface of the controlled atmosphere storage body and has an output shaft downward, and the output shaft of the first motor is coaxially and fixedly connected to the driving gear plate.

[0009] According to the technical scheme provided by the embodiment of the application, the lifting assembly further comprises a second motor which is fixedly connected to the center of the bottom surface of the driven gear plate, the output shaft of the second motor is coaxially and fixedly connected to the top end of the screw rod, and the bottom end of the screw rod is rotatably connected to a mounting disc which is fixedly connected to the bottom surface of the controlled atmosphere storage body.

[0010] According to the technical scheme provided by the embodiment of the application, the collecting pipe comprises a straight pipe section, a bell mouth is integrally formed on the end of the straight pipe section away from the transverse corrugated pipe, and the bottom surface of the telescopic rod is fixedly connected to the top surface of the straight pipe section of the collecting pipe.

[0011] According to the technical scheme provided by the embodiment of the application, the detection assembly comprises a vertical connecting pipe which is arranged in communication with the top surface of the transverse connecting pipe, a L-shaped connecting pipe is arranged in communication with the vertical connecting pipe through a vertical corrugated pipe, and a detection instrument is arranged in communication with the L-shaped connecting pipe at the pipe opening of the horizontal section of the L-shaped connecting pipe.

[0012] According to the technical scheme provided by the embodiment of the application, the top surface of the detection instrument is fixedly connected to the bottom surface of the driven gear plate, an alarm is arranged in signal connection with the bottom surface of the detection instrument, and an air extractor is arranged in the end portion of the L-shaped connecting pipe close to the detection instrument.

[0013] According to the technical scheme provided in the embodiment of the application, the diameter of the circle where the movement track of the collecting port is located is smaller than the distance between the opposite two sides of the controlled atmosphere warehouse body; when the sliding block slides to the lowermost end of the lead screw, the telescopic rod is stretched to the longest state.

[0014] To sum up, the technical scheme specifically discloses a gas detection device of a controlled atmosphere warehouse, which comprises a controlled atmosphere warehouse body, a driving assembly is arranged on the inner top surface of the controlled atmosphere warehouse body, a sampling mechanism is arranged through the driving assembly, the sampling mechanism comprises a lifting assembly and a sampling assembly, the sampling assembly comprises a transverse connecting pipe and a collecting port, the telescopic rod is connected between the transverse connecting pipe and the driving assembly, and a detection assembly in communication with the transverse connecting pipe is further arranged through the driving assembly. BRIEF DESCRIPTION OF DRAWINGS

[0015] Other characteristics, objects and advantages of the application will become more apparent upon reading the following detailed description of non-restrictive embodiments made with reference to the attached drawings:

[0016] Figure 1 It is a schematic view of the overall structure of the utility model;

[0017] Figure 2 It is a schematic view of the split structure of the driving assembly in the utility model;

[0018] Figure 3 It is a schematic view of the structure of the sampling mechanism in the utility model;

[0019] Figure 4 It is a schematic view of the split structure of the detection assembly in the utility model;

[0020] In the drawings:

[0021] 1, controlled atmosphere warehouse body; 11, rotating shaft;

[0022] 2, driving assembly; 21, first motor; 22, driving gear plate; 23, driven gear plate;

[0023] 3, sampling mechanism; 31, lifting assembly; 311, second motor; 312, lead screw; 313, mounting disc; 314, sliding block; 32, sampling assembly; 321, transverse connecting pipe; 322, collecting port; 323, telescopic rod;

[0024] 4, detection assembly; 41, vertical connecting pipe; 42, vertical corrugated pipe; 43, L connecting pipe; 44, detector; 45, alarm; 46, air extractor. DETAILED DESCRIPTION

[0025] The application will be described in further detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and not to limit the utility model. In addition, it should be noted that only parts related to the utility model are shown in the drawings for ease of description.

[0026] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and embodiments.

[0027] Please refer to Figures 1-4 The gas detection device of the controlled atmosphere warehouse comprises a controlled atmosphere warehouse body 1, a driving assembly 2 is rotationally connected to the middle of the inner top surface of the controlled atmosphere warehouse body 1, the driving assembly 2 comprises a driving gear plate 22 and a driven gear plate 23 which are meshed with each other, a sampling mechanism 3 is installed on the bottom surface of the driven gear plate 23, the sampling mechanism 3 comprises a lifting assembly 31, the lifting assembly 31 comprises a vertical lead screw 312, a sliding block 314 which is sleeved with threads on the outer side of the lead screw 312 is connected with a sampling assembly 32, the sampling assembly 32 comprises a transverse connecting pipe 321 which is fixedly connected with the sliding block 314, a collecting opening 322 which is in the shape of a bell mouth is integrally formed on the end of the transverse connecting pipe 321 away from the sliding block 314, the bell mouth shape is conducive to collecting gas, the top surface of the transverse connecting pipe 321 close to the collecting opening 322 is connected with the bottom surface of the driven gear plate 23 through an extension rod 323, the extension rod 323 is arranged to strengthen the stability of the transverse connecting pipe 321 during the up-down movement and the circumferential rotation, and the bottom surface of the driven gear plate 23 is further provided with a detection assembly 4 which is connected in communication with the transverse connecting pipe 321 through a pipeline.

[0028] In the embodiment, a rotating shaft 11 is fixedly installed on the inner top surface of the controlled atmosphere warehouse body 1, the rotating shaft 11 is rotationally connected with the driven gear plate 23 through a bearing, thereby providing necessary conditions for the rotation of the sampling mechanism 3, and then providing implementation conditions for collecting gas in different directions.

[0029] In the embodiment, the driving assembly 2 further comprises a first motor 21 which is fixedly installed on the inner top surface of the controlled atmosphere warehouse body 1 and whose output shaft faces downward, the output shaft of the first motor 21 is coaxially fixedly connected with the driving gear plate 22, the first motor 21 is turned on, the output shaft of the first motor 21 drives the driving gear plate 22 to rotate, the driving gear plate 22 drives the driven gear plate 23 to rotate, and the driven gear plate 23 drives the sampling mechanism 3 to rotate, thereby achieving the purpose of sampling and detecting gas in different directions at the same height in the controlled atmosphere warehouse body 1, and improving the accuracy of the detection result.

[0030] Further, the lifting assembly 31 further comprises a second motor 311 fixedly connected with the center of the bottom surface of the driven gear plate 23, the output shaft of the second motor 311 is coaxially fixedly connected with the top end of a lead screw 312, the bottom end of the lead screw 312 is rotatably connected with a mounting disc 313 fixedly connected with the bottom surface of the air-conditioned warehouse body 1, the second motor 311 is started, the output shaft of the second motor 311 drives the lead screw 312 to rotate, the lead screw 312 drives the sampling assembly 32 to ascend to a specified position, so that the gas at different heights in the same direction in the air-conditioned warehouse body 1 is sampled and detected, and the accuracy of the detection result is improved;

[0031] In the embodiment, the detection assembly 4 comprises a vertical connecting pipe 41 arranged in communication with the top surface of the horizontal connecting pipe 321, the top end of the vertical connecting pipe 41 is connected in communication with an L-shaped connecting pipe 43 through a vertical corrugated pipe 42, the horizontal section of the L-shaped connecting pipe 43 is provided with a detector 44 in communication therewith, the top surface of the detector 44 is fixedly connected with the bottom surface of the driven gear plate 23, the bottom surface of the detector 44 is provided with an alarm 45 connected in signal therewith, and a suction fan 46 is arranged in the end portion of the horizontal section of the L-shaped connecting pipe 43 close to the detector 44, the vertical corrugated pipe 42 is arranged to cooperate with the sampling assembly 32 to sample the gas, when the sampling assembly 32 is adjusted to a specified position, the suction fan 46 is started, under the action of the suction fan 46, the gas in the air-conditioned warehouse body 1 enters the horizontal connecting pipe 321, the vertical connecting pipe 41, the vertical corrugated pipe 42 and the L-shaped connecting pipe 43 in sequence from the collecting port 322, and finally enters the detector 44 to be detected, when the sampled gas is substandard, the alarm 45 emits an alarm sound to inform the relevant staff.

[0032] In addition, it needs to be supplemented that the diameter of the circle where the movement track of the collecting port 322 is located is smaller than the distance between the opposite two surfaces of the air-conditioned warehouse body 1, so that the sampling assembly 32 is not limited in the horizontal rotation process; when the sliding block 314 slides to the lowermost end of the lead screw 312, the telescopic rod 323 is stretched to the longest state, so that the sampling assembly 32 is not limited in the vertical movement process.

[0033] Finally, it needs to be pointed out that the first motor 21, the second motor 311, the detector, the alarm and the suction fan and other components involved in the utility model are all general standard components or components known by the person skilled in the art, the structure and principle of which are known by the person skilled in the art through technical manuals or through conventional experimental methods, all the electrical components in the idle place of the device are connected through wires, the specific connection means should be referred to the working principle in the utility model, the electrical components are electrically connected in the order of working sequence, and the detailed connection means are all the public technical knowledge in the art.

[0034] Working principle: the utility model discloses in use, the staff first starts first motor 21 or second motor 311, if starting first motor 21 first, the output shaft of first motor 21 drives driving gear disc 22 to rotate, and driving gear disc 22 rotation drives driven gear disc 23 to rotate, and driven gear disc 23 rotation drives sampling mechanism 3 to rotate, when collecting mouth 322 rotates to the specified direction, first motor 21 stops working, then starts second motor 311, and the output shaft of second motor 311 drives screw rod 312 to rotate, and screw rod 312 rotation drives sampling assembly 32 to move vertically to the specified height, and second motor 311 stops working, then starts exhaust fan 46 and makes it start working, at this time, the gas in the atmosphere conditioning warehouse body 1 under the action of exhaust fan 46 enters horizontal connecting pipe 321, vertical connecting pipe 41, vertical bellows 42, L connecting pipe 43 from collecting mouth 322 in proper order, and finally enters the detection instrument 44 inside and carries out detection processing from L connecting pipe 43, if sampling gas is not up to the standard, the alarm 45 connected with detection instrument 44 will send alarm sound, so as to notify relevant staff to carry out next step work.

[0035] The above description is only the preferred embodiment of the application and the explanation of the applied technical principles. Those skilled in the art should understand that the utility model range involved in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover other technical solutions formed by the arbitrary combination of the above technical features or equivalent features without departing from the utility model concept. For example, the above features are replaced with the technical features disclosed in the present application (but not limited to) having similar functions to form the technical solutions.

Claims

1. A gas detection device for a controlled atmosphere storage, comprising a controlled atmosphere storage body (1), characterized in that: The inside top of the modified atmosphere storage body (1) is centrally pivotally connected with a driving assembly (2), the driving assembly (2) comprises a driving gear disc (22) and a driven gear disc (23) which are in engagement with each other, the bottom of the driven gear disc (23) is provided with a sampling mechanism (3), the sampling mechanism (3) comprises a lifting assembly (31), the lifting assembly (31) comprises a vertical lead screw (312), the outside of the lead screw (312) is connected with a sampling assembly (32) through a sliding block (314) which is threadedly connected with the lead screw (312), the sampling assembly (32) comprises a transverse connecting pipe (321) which is fixedly connected with the sliding block (314), the sampling assembly (32) is integrally formed with a collecting opening (322) which is in the shape of a bell mouth at one end of the transverse connecting pipe (321) away from the sliding block (314), the top of the transverse connecting pipe (321) is connected with the bottom of the driven gear disc (23) through a telescopic rod (323) near the collecting opening (322), and the bottom of the driven gear disc (23) is further provided with a detection assembly (4) which is in communication with the transverse connecting pipe (321) through a pipeline.

2. The gas detection device for a CA store according to claim 1, wherein: The inside top of the modified atmosphere storage body (1) is centrally pivotally connected with a driving assembly (2), the driving assembly (2) comprises a driving gear disc (22) and a driven gear disc (23) which are in engagement with each other, the bottom of the driven gear disc (23) is provided with a sampling mechanism (3), the sampling mechanism (3) comprises a lifting assembly (31), the lifting assembly (31) comprises a vertical lead screw (312), the outside of the lead screw (312) is connected with a sampling assembly (32) through a sliding block (314) which is threadedly connected with the lead screw (312), the sampling assembly (32) comprises a transverse connecting pipe (321) which is fixedly connected with the sliding block (314), the sampling assembly (32) is integrally formed with a collecting opening (322) which is in the shape of a bell mouth at one end of the transverse connecting pipe (321) away from the sliding block (314), the top of the transverse connecting pipe (321) is connected with the bottom of the driven gear disc (23) through a telescopic rod (323) near the collecting opening (322), and the bottom of the driven gear disc (23) is further provided with a detection assembly (4) which is in communication with the transverse connecting pipe (321) through a pipeline.

3. The gas detection device for a CA store according to claim 1, wherein: The inside top of the modified atmosphere storage body (1) is centrally pivotally connected with a driving assembly (2), the driving assembly (2) comprises a driving gear disc (22) and a driven gear disc (23) which are in engagement with each other, the bottom of the driven gear disc (23) is provided with a sampling mechanism (3), the sampling mechanism (3) comprises a lifting assembly (31), the lifting assembly (31) comprises a vertical lead screw (312), the outside of the lead screw (312) is connected with a sampling assembly (32) through a sliding block (314) which is threadedly connected with the lead screw (312), the sampling assembly (32) comprises a transverse connecting pipe (321) which is fixedly connected with the sliding block (314), the sampling assembly (32) is integrally formed with a collecting opening (322) which is in the shape of a bell mouth at one end of the transverse connecting pipe (321) away from the sliding block (314), the top of the transverse connecting pipe (321) is connected with the bottom of the driven gear disc (23) through a telescopic rod (323) near the collecting opening (322), and the bottom of the driven gear disc (23) is further provided with a detection assembly (4) which is in communication with the transverse connecting pipe (321) through a pipeline.

4. The gas detection apparatus for a CA store according to claim 1, wherein: The inside top of the modified atmosphere storage body (1) is centrally pivotally connected with a driving assembly (2), the driving assembly (2) comprises a driving gear disc (22) and a driven gear disc (23) which are in engagement with each other, the bottom of the driven gear disc (23) is provided with a sampling mechanism (3), the sampling mechanism (3) comprises a lifting assembly (31), the lifting assembly (31) comprises a vertical lead screw (312), the outside of the lead screw (312) is connected with a sampling assembly (32) through a sliding block (314) which is threadedly connected with the lead screw (312), the sampling assembly (32) comprises a transverse connecting pipe (321) which is fixedly connected with the sliding block (314), the sampling assembly (32) is integrally formed with a collecting opening (322) which is in the shape of a bell mouth at one end of the transverse connecting pipe (321) away from the sliding block (314), the top of the transverse connecting pipe (321) is connected with the bottom of the driven gear disc (23) through a telescopic rod (323) near the collecting opening (322), and the bottom of the driven gear disc (23) is further provided with a detection assembly (4) which is in communication with the transverse connecting pipe (321) through a pipeline.

5. The gas detection apparatus of claim 1, wherein: ​ 6. The gas detection apparatus of claim 5, wherein: ​ 7. The gas detection apparatus of claim 1, wherein: ​

Citation Information

Patent Citations

  • A chemical gas detection device

    CN221038819U