CN220708841U - Malodor detection device - Google Patents

Malodor detection device Download PDF

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Publication number
CN220708841U
CN220708841U CN202322320979.8U CN202322320979U CN220708841U CN 220708841 U CN220708841 U CN 220708841U CN 202322320979 U CN202322320979 U CN 202322320979U CN 220708841 U CN220708841 U CN 220708841U
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Prior art keywords
valve
malodorous gas
group
sensor
gas collection
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CN202322320979.8U
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荆博宇
王浩
杨伟华
王铁铮
王亘
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Tianjin Academy of Ecological and Environmental Sciences
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Tianjin Academy of Ecological and Environmental Sciences
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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Abstract

The present utility model provides a malodor detection device comprising: the system comprises an air filter, a first group of malodorous gas collection channels, a second group of malodorous gas collection channels and a switching valve. The switching valve is used for switching the first group of malodorous gas collecting channels and the second group of malodorous gas collecting channels, and is a three-way electromagnetic valve. The malodor detection device mainly comprises a first group of malodorous gas collection channels, a second group of malodorous gas collection channels and a switching valve, wherein the switching valve is used for switching the first group of malodorous gas collection channels and the second group of malodorous gas collection channels to work, the second sensors on the second group of malodorous gas collection channels have sufficient time recovery values when the first group of malodorous gas collection channels work, and the first sensors on the first group of malodorous gas collection channels have sufficient time recovery values when the second group of malodorous gas collection channels work, so that the accuracy of detection data can be improved.

Description

Malodor detection device
Technical Field
The utility model relates to the technical field of malodor detection, in particular to a malodor detection device.
Background
The malodor is generally one-ply odor, and a channel for collecting gas by a traditional malodor detection system is a single channel, for example, chinese patent publication (bulletin) No. CN214067082U discloses a malodor detection system which comprises a malodor sensor, a case and a sensor bin, wherein the malodor sensor is detachably arranged in the sensor bin, the malodor detection system further comprises a mounting frame, the sensor bin is positioned outside the case and is detachably arranged on the mounting frame with the case, and a gas concentration indicator and a signal processor which is connected with the gas concentration indicator and the malodor sensor signal are arranged in the case. Although the malodor detection system disclosed in chinese patent publication No. CN214067082U uses a network data module to collect malodor concentration data, so that the malodor concentration data is more informationized, and the collected malodor concentration data is convenient for the staff to experiment and analyze, the channel for collecting the gas is still a single channel, and the channel for collecting the gas is a single channel, which has the following defects:
the sensor has response time, for example, malodorous gas comes, the sensor needs time to reach the controller, after the malodorous gas passes, the value of the sensor also needs a certain time, for example, a burst of gas is needed, the time is relatively short, the value of the sensor can not stand up, and the detection data is inaccurate.
In addition, the odor can contain some particle pollutants, and a traditional odor detection device is generally not provided with a treatment device for the particle pollutants, so that the detection result is inaccurate.
Therefore, a novel malodor detection device is provided.
Disclosure of Invention
The utility model aims to solve the problems in the background art and provides a malodor detection device.
The specific technical scheme is as follows:
a malodor detection device comprising:
the switching valve is used for switching the first group of malodorous gas collecting channels and the second group of malodorous gas collecting channels, and is a three-way electromagnetic valve;
the first group of malodorous gas collection channels comprise a first electromagnetic valve, a first steady flow valve, a first collection pump and a first sensor, wherein the first electromagnetic valve is communicated with the switching valve through a pipeline, the first steady flow valve is communicated with the first electromagnetic valve through a pipeline, the first collection pump is communicated with the first steady flow valve through a pipeline, and the first sensor is arranged on the pipeline between the first collection pump and the first steady flow valve;
the second group of malodorous gas collection channels comprise a second electromagnetic valve, a second steady flow valve, a second collection pump and a second sensor, wherein the second electromagnetic valve is communicated with the switching valve through a pipeline, the second steady flow valve is communicated with the second electromagnetic valve through a pipeline, the second collection pump is communicated with the second steady flow valve through a pipeline, and the second sensor is installed on the pipeline between the second collection pump and the second steady flow valve.
As a preferred scheme of the utility model, the air filter is communicated with one end of the switching valve, which is far away from the first electromagnetic valve and the second electromagnetic valve, through a pipeline, the air filter comprises a cylindrical shell, an air filter element, a fixed ring, a cross rod, bristles and a handle, wherein a connecting cylinder is installed at one end of the cylindrical shell in a communicated manner, the other end of the cylindrical shell is an open end, the air filter element is installed in the cylindrical shell, the fixed ring is installed in the open end of the cylindrical shell in a threaded manner, the fixed ring is abutted against the air filter element, an annular chute is formed in the inner ring surface of the fixed ring, the cross rod is slidably installed in the annular chute, the bristles are fixedly installed on one side of the cross rod facing the air filter element, the bristles are abutted against one end surface of the connecting cylinder, the handle is fixedly installed on one side of the cross rod facing the bristles, and the handle is arranged in the middle.
As a preferred aspect of the present utility model, the first set of malodorous gas collection channels further comprises a first activated carbon filter, which is in communication with the first electromagnetic valve through a pipe.
As a preferred aspect of the present utility model, the first set of malodorous gas collection channels further comprises a first gas buffer tank mounted on a pipe between the first collection pump and the first sensor.
As a preferred aspect of the present utility model, the second set of malodorous gas collection channels further comprises a second activated carbon filter, which is in communication with the second electromagnetic valve through a pipe.
As a preferred aspect of the present utility model, the second set of malodorous gas collection channels further comprises a second gas buffer tank mounted on a pipe between the second collection pump and the second sensor.
As a preferred embodiment of the present utility model, the first sensor and the second sensor are both odor sensors.
As a preferable mode of the present utility model, the first electromagnetic valve and the second electromagnetic valve are both three-way electromagnetic valves.
The utility model has the following beneficial effects:
the malodor detection device mainly comprises an air filter, a first group of malodorous gas collection channels, a second group of malodorous gas collection channels and a switching valve, wherein the switching valve is used for switching the first group of malodorous gas collection channels and the second group of malodorous gas collection channels to work, the second sensors on the second group of malodorous gas collection channels have sufficient time recovery values when the first group of malodorous gas collection channels work, and the first sensors on the first group of malodorous gas collection channels have sufficient time recovery values when the second group of malodorous gas collection channels work, so that the accuracy of detection data can be improved.
According to the utility model, the air filter is arranged, the malodorous gas enters the first group of malodorous gas collecting channels or the second group of malodorous gas collecting channels through the opening end of the cylindrical shell and is discharged through the connecting cylinder, so that particle pollutants in malodor can be filtered out firstly when the malodorous gas passes through the air filter element, and particle pollutant components in the malodor are treated.
Drawings
Fig. 1 is a schematic structural diagram of a malodor detection device according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of an air filter in the malodor detecting device according to the embodiment of the present utility model;
fig. 3 is a schematic structural diagram of another view angle of an air filter in the malodor detection device according to an embodiment of the present utility model;
fig. 4 is a schematic top view of an air filter in the malodor detecting device according to an embodiment of the present utility model;
FIG. 5 is a schematic view of the structure of FIG. 4 taken along line A-A;
in the accompanying drawings:
1. an air filter; 101. a cylindrical housing; 102. an air filter element; 103. a fixing ring; 104. a cross bar; 105. brushing; 106. an annular chute; 107. a handle; 108. a connecting cylinder;
2. a switching valve; 3. a first activated carbon filter; 4. a first electromagnetic valve; 5. a second electromagnetic valve; 6. a second activated carbon filter; 7. a first flow stabilizing valve; 8. a second flow stabilizing valve; 9. a first sensor; 10. a second sensor; 11. a first gas buffer tank; 12. a second gas buffer tank; 13. a first collection pump; 14. and a second collection pump.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.
In the description of the present utility model, unless explicitly stated and limited otherwise, the term "coupled" or the like should be interpreted broadly, as it may be fixedly coupled, detachably coupled, or integrally formed, as indicating the relationship of components; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two parts or interaction relationship between the two parts. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples
The malodor detection device provided in this embodiment, as shown in fig. 1, includes: a first group of malodorous gas collection channels, a second group of malodorous gas collection channels, and a switching valve 2.
The switching valve 2 is used for switching the first group of malodorous gas collection channels and the second group of malodorous gas collection channels, and the switching valve 2 is a three-way electromagnetic valve.
Wherein, first group foul gas collection passageway for collect foul gas, it includes first solenoid valve 4, first stationary flow valve 7, first collection pump 13 and first sensor 9, first solenoid valve 4 is linked together with switching valve 2 through the pipeline, first stationary flow valve 7 is linked together with first solenoid valve 4 through the pipeline, first collection pump 13 is linked together with first stationary flow valve 7 through the pipeline, first sensor 9 is installed on the pipeline between first collection pump 13 and first stationary flow valve 7.
The second group of malodorous gas collecting channels are used for collecting malodorous gas and comprise a second electromagnetic valve 5, a second flow stabilizing valve 8, a second collecting pump 14 and a second sensor 10, the second electromagnetic valve 5 is communicated with the switching valve 2 through a pipeline, the second flow stabilizing valve 8 is communicated with the second electromagnetic valve 5 through a pipeline, the second collecting pump 14 is communicated with the second flow stabilizing valve 8 through a pipeline, and the second sensor 10 is arranged on the pipeline between the second collecting pump 14 and the second flow stabilizing valve 8.
The malodor detection device adopting the technical scheme mainly comprises a first group of malodorous gas collection channels, a second group of malodorous gas collection channels and a switching valve 2, wherein the switching valve 2 is used for switching the first group of malodorous gas collection channels and the second group of malodorous gas collection channels to work, the second sensor 10 on the second group of malodorous gas collection channels has a sufficient time recovery value when the first group of malodorous gas collection channels work, and the first sensor 9 on the first group of malodorous gas collection channels has a sufficient time recovery value when the second group of malodorous gas collection channels work, so that the accuracy of detection data can be improved.
In order to prevent the particulate pollutants in the odor from blocking the first set of malodorous gas collection channels and the second set of malodorous gas collection channels, the embodiment is further provided with an air filter 1, and the air filter 1 is communicated with one end of the switching valve 2, which is far away from the first electromagnetic valve 4 and the second electromagnetic valve 5, through a pipeline, and the provided air filter 1 is used for filtering the particulate pollutants in the collected odor.
Specifically, the air filter 1 that sets up mainly comprises cylindrical shell 101, air filter core 102, solid fixed ring 103, horizontal pole 104, brush hair 105 and handle 107, cylindrical shell 101's one end intercommunication is installed and is connected a section of thick bamboo 108, and cylindrical shell 101's the other end is the open end, air filter core 102 installs in cylindrical shell 101's inside, gu fixed ring 103 screw-thread installation is inside cylindrical shell 101's open end, and gu fixed ring 103 offsets with air filter core 102, gu fixed ring 103's inner ring face has been seted up annular spout 106, horizontal pole 104 slidable mounting is in annular spout 106's inside, brush hair 105 fixed mounting is on a side of horizontal pole 104 towards air filter core 102, and brush hair 105 offsets with air filter core 102 one end face that faces away from connected a section of thick bamboo 108, handle 107 fixed mounting is on a side that horizontal pole 104 faces away from brush hair 105, and handle 107 sets up in the middle.
The air inlet of the air filter 1 is formed at the opening end of the cylindrical shell 101, the connecting cylinder 108 is arranged to form the air outlet of the air filter 1, external threads are arranged on the outer side surface of the connecting cylinder 108 in order to enable the connecting cylinder 108 to be convenient to connect with a pipeline, malodorous gas enters the first group malodorous gas collecting channel or the second group malodorous gas collecting channel through the opening end of the cylindrical shell 101 and is discharged through the connecting cylinder 108, particulate pollutants in malodorous gas can be filtered out when the malodorous gas passes through the air filter 102, the handle 107 can be operated to drive the cross rod 104 to rotate when a large amount of particulate pollutants are accumulated on one end surface of the air filter 102, which is opposite to the connecting cylinder 108, the cross rod 104 drives the brush hair 105 to brush away a large amount of particulate pollutants accumulated on one end surface of the air filter 102, which is opposite to the connecting cylinder 108, the service life and filtering effect of the air filter 102 can be improved, the opening end of the cylindrical shell 101 is downward when the air filter 1 is installed, and the particulate pollutants which are convenient to brush down automatically drop.
In order to conveniently zero the numerical value of the first sensor 9, the set first group of malodorous gas collecting channels further comprise a first activated carbon filter 3, the first activated carbon filter 3 is communicated with the first electromagnetic valve 4 through a pipeline, and the set first activated carbon filter 3 is used for introducing purified gas so that the first sensor 9 obtains clear data, and therefore accuracy of detection data is improved.
In order to ensure that the first collecting pump 13 can work stably for a long time, the set first group of malodorous gas collecting channels further comprises a first gas buffer tank 11, the first gas buffer tank 11 is arranged on a pipeline between the first collecting pump 13 and the first sensor 9, and the first collecting pump 13 needs buffering because the first collecting pump 13 reciprocates, and the set first gas buffer tank 11 is used for buffering, so that the first collecting pump 13 can work stably for a long time.
In order to conveniently zero the numerical value of the second sensor 10, the set second group of malodorous gas collection channels further comprise a second activated carbon filter 6, the second activated carbon filter 6 is communicated with the second electromagnetic valve 5 through a pipeline, and the set second activated carbon filter 6 is used for introducing purified gas so as to enable the second sensor 10 to obtain clear data, and therefore accuracy of detection data is improved.
In order to ensure that the second collection pump 14 can stably operate for a long time, the set second group of malodorous gas collection channels further comprises a second gas buffer tank 12, the second gas buffer tank 12 is installed on a pipeline between the second collection pump 14 and the second sensor 10, and since the second collection pump 14 reciprocates, buffering is required, the set second gas buffer tank 12 is used for buffering, and the second collection pump 14 can be ensured to stably operate for a long time.
In order to meet the use requirement, the first sensor 9 and the second sensor 10 are all XP-329M odor sensors, and the first electromagnetic valve 4 and the second electromagnetic valve 5 are all three-way electromagnetic valves.
In summary, the malodor detection device provided in the present embodiment has the following advantages:
the malodor detection device mainly comprises a first group of malodorous gas collection channels, a second group of malodorous gas collection channels and a switching valve 2, wherein the switching valve 2 is used for switching the first group of malodorous gas collection channels and the second group of malodorous gas collection channels to work, the second sensor 10 on the second group of malodorous gas collection channels has a sufficient time recovery value when the first group of malodorous gas collection channels work, and the first sensor 9 on the first group of malodorous gas collection channels has a sufficient time recovery value when the second group of malodorous gas collection channels work, so that the accuracy of detection data can be improved.
When the device is used, a controller (which can be a PLC controller) is connected to the malodor detection device, the controller controls the switching valve 2 to automatically switch the first group of malodorous gas collecting channels and the second group of malodorous gas collecting channels, malodorous gas enters through the air filter 1, when the malodorous gas collecting channels are switched to the first group of malodorous gas collecting channels, the first electromagnetic valve 4 is conducted, the malodorous gas is sucked by the first collecting pump 13, flows into the first gas buffer tank 11 after flowing stably through the first flow stabilizing valve 7, and the value of the malodorous gas in the malodorous gas is obtained by the first sensor 9 and is transmitted to the controller in the process;
then the controller controls the switching valve 2 to automatically switch the second group of malodorous gas collecting channels, malodorous gas enters through the air filter 1, when the malodorous gas is switched to the second group of malodorous gas collecting channels, the second electromagnetic valve 5 is conducted, the malodorous gas enters the second gas buffer tank 12 after being stabilized by the second stabilizing valve 8 under the suction effect of the second collecting pump 14, and in the process, the second sensor 10 obtains the value of the malodorous gas in the malodorous gas and transmits the value to the controller;
when the malodor detection device needs to be numerically calibrated, the following steps are performed:
when the numerical value of the first sensor 9 on the first group of malodorous gas collecting channels is calibrated, firstly, the switching valve 2 and the second electromagnetic valve 5 are closed, purified gas is introduced through the first activated carbon filter 3, so that the first sensor 9 obtains clear data, and the numerical value of the first sensor 9 is calibrated;
when the value of the second sensor 10 on the second group of malodorous gas collection channels is calibrated, the switching valve 2 and the first electromagnetic valve 4 are closed first, purified gas is introduced through the second activated carbon filter 4, so that the second sensor 10 obtains clear data, and the value of the second sensor 10 is calibrated.
The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included in the scope of the present utility model.

Claims (8)

1. A malodor detection device, comprising:
the switching valve (2) is used for switching the first group of malodorous gas collection channels and the second group of malodorous gas collection channels, and the switching valve (2) is a three-way electromagnetic valve;
the first group of malodorous gas collection channels comprise a first electromagnetic valve (4), a first steady flow valve (7), a first collection pump (13) and a first sensor (9), wherein the first electromagnetic valve (4) is communicated with the switching valve (2) through a pipeline, the first steady flow valve (7) is communicated with the first electromagnetic valve (4) through a pipeline, the first collection pump (13) is communicated with the first steady flow valve (7) through a pipeline, and the first sensor (9) is arranged on the pipeline between the first collection pump (13) and the first steady flow valve (7);
the second group of malodorous gas collection channels comprise a second electromagnetic valve (5), a second flow stabilizing valve (8), a second collecting pump (14) and a second sensor (10), wherein the second electromagnetic valve (5) is communicated with the switching valve (2) through a pipeline, the second flow stabilizing valve (8) is communicated with the second electromagnetic valve (5) through a pipeline, the second collecting pump (14) is communicated with the second flow stabilizing valve (8) through a pipeline, and the second sensor (10) is installed on the pipeline between the second collecting pump (14) and the second flow stabilizing valve (8).
2. The malodor detection device according to claim 1, further comprising an air filter (1), wherein the air filter (1) is communicated with one end of the switching valve (2) away from the first electromagnetic valve (4) and the second electromagnetic valve (5) through a pipeline, the air filter (1) comprises a cylindrical shell (101), an air filter element (102), a fixing ring (103), a cross rod (104), bristles (105) and a handle (107), one end of the cylindrical shell (101) is communicated with a connecting cylinder (108), the other end of the cylindrical shell (101) is an open end, the air filter element (102) is mounted inside the cylindrical shell (101), the fixing ring (103) is mounted inside the open end of the cylindrical shell (101) in a threaded manner, the fixing ring (103) is abutted against the air filter element (102), an annular chute (106) is formed in an inner annular surface of the fixing ring (103), the cross rod (104) is slidingly mounted inside the annular chute (106), the bristles (105) are fixedly mounted on the inner surface of the cross rod (104) facing the air filter element (102) and are connected with the air filter element (108), the handle (107) is fixedly arranged on one side surface of the cross rod (104) facing away from the brush hair (105), and the handle (107) is arranged in the middle.
3. The malodor detection device according to claim 1, wherein said first group of malodorous gas collection channels further comprises a first activated carbon filter (3), said first activated carbon filter (3) being in communication with said first solenoid valve (4) through a conduit.
4. A malodor detection device according to claim 3, wherein the first set of malodorous gas collection channels further comprises a first gas buffer tank (11), said first gas buffer tank (11) being mounted on a conduit between the first collection pump (13) and the first sensor (9).
5. The malodor detection device according to claim 1, wherein said second set of malodorous gas collection channels further comprises a second activated carbon filter (6), said second activated carbon filter (6) being in communication with said second electromagnetic valve (5) through a conduit.
6. The malodor detection device of claim 5 wherein said second set of malodorous gas collection channels further comprises a second gas buffer tank (12), said second gas buffer tank (12) being mounted on a conduit between said second collection pump (14) and said second sensor (10).
7. The malodor detection device according to claim 1, wherein the first sensor (9) and the second sensor (10) are both odor sensors.
8. The malodor detection device according to claim 1, wherein the first solenoid valve (4) and the second solenoid valve (5) are both three-way solenoid valves.
CN202322320979.8U 2023-08-29 2023-08-29 Malodor detection device Active CN220708841U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322320979.8U CN220708841U (en) 2023-08-29 2023-08-29 Malodor detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322320979.8U CN220708841U (en) 2023-08-29 2023-08-29 Malodor detection device

Publications (1)

Publication Number Publication Date
CN220708841U true CN220708841U (en) 2024-04-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322320979.8U Active CN220708841U (en) 2023-08-29 2023-08-29 Malodor detection device

Country Status (1)

Country Link
CN (1) CN220708841U (en)

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