CN216697418U - Automatic response cigarette questionnaire investigation system - Google Patents

Automatic response cigarette questionnaire investigation system Download PDF

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Publication number
CN216697418U
CN216697418U CN202220036192.1U CN202220036192U CN216697418U CN 216697418 U CN216697418 U CN 216697418U CN 202220036192 U CN202220036192 U CN 202220036192U CN 216697418 U CN216697418 U CN 216697418U
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processor
cabinet
investigation
cleaning
fixed
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CN202220036192.1U
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Inventor
舒娟
廖望
寇明钰
杨智枭
孙兰茜
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Chongqing China Tobacco Industry Co Ltd
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Chongqing China Tobacco Industry Co Ltd
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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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/30Computing systems specially adapted for manufacturing

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Abstract

The utility model discloses an auto-induction cigarette questionnaire investigation system, which comprises: the system comprises a research cabinet, a research button, a gravity sensor, a processor, a memory, a touch display screen and a power supply; the investigation button is arranged in the investigation cabinet and is in communication connection with the processor, the investigation button is electrically connected with the power supply, the processor is in communication connection with the memory, and the processor is arranged in the investigation cabinet; the gravity sensor is arranged at the front end of the investigation cabinet and is in communication connection with the processor, and the gravity sensor is electrically connected with the power supply; the touch display screen is arranged in the investigation cabinet and is in communication connection with the processor, and the touch display screen is electrically connected with the power supply. According to the technical scheme, the questionnaire investigation on the person to be investigated is automatically carried out by adopting the arrangement of the investigation cabinet, the investigation button, the gravity sensor, the processor, the memory, the touch display screen and the power supply.

Description

Automatic response cigarette questionnaire investigation system
Technical Field
The utility model relates to the technical field of questionnaire investigation, in particular to an automatic induction cigarette questionnaire investigation system.
Background
The questionnaire refers to a method of creating a detailed and thorough questionnaire and requesting respondents to respond to the questionnaire to collect data. Questionnaires are a common tool that people use to gather materials in social research activities. The investigators can accurately and specifically measure the social activity process by means of questionnaires, and can describe and analyze the quantity by applying a sociological statistical method.
With the rapid change of the development mode of the tobacco industry, higher requirements are put forward on cigarette marketing and brand cultivation, cigarette brands compete more and more, and new products need to be continuously researched and developed according to market prediction for each cigarette brand. The tobacco industry desires to be able to launch a long-lived brand or specification that is truly recognized by consumers. The investigation before the new cigarette products come into the market and the feedback of the consumers to the cigarettes (especially the new products) become very important.
At present, paper questionnaires and telephone questionnaires are commonly used as cigarette questionnaires. However, both paper questionnaire research and telephone questionnaire research require manual research, and cannot automatically perform questionnaire research on a subject by a machine.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an automatic induction cigarette questionnaire investigation system, aiming at automatically carrying out questionnaire investigation on a person to be investigated.
In order to achieve the above object, the present invention provides an auto-induction cigarette questionnaire investigation system, which comprises: the system comprises a research cabinet, a research button, a gravity sensor, a processor, a memory, a touch display screen and a power supply;
the investigation button is arranged in the investigation cabinet and is in communication connection with the processor, the investigation button is electrically connected with the power supply, the processor is in communication connection with the memory, and the processor is arranged in the investigation cabinet;
the gravity sensor is arranged at the front end of the investigation cabinet and is in communication connection with the processor, and the gravity sensor is electrically connected with the power supply;
the touch display screen is arranged in the research cabinet and is in communication connection with the processor, and the touch display screen is electrically connected with the power supply.
Optionally, the method further comprises: a server;
the server is in communication with the processor.
Optionally, the research cabinet includes a first inclined plane and a first table, the research button is disposed on the first table, and the touch display screen is disposed on the first inclined plane.
Optionally, the method further comprises: a brightness detection device and an LED lamp;
the brightness detection device is arranged at the front end of the research cabinet and is electrically connected with the processor, and the brightness detection device is electrically connected with the power supply;
the LED lamp is arranged on the front surface of the research cabinet and above the touch display screen, electrically connected with the processor, and electrically connected with the power supply.
Optionally, the power source is a battery.
Optionally, the method further comprises: the infrared inductor is arranged right in front of the investigation cabinet and is in communication connection with the processor, and the infrared inductor is electrically connected with the power supply.
Optionally, the cleaning mechanism comprises a mounting plate, two strip plates and a plurality of cleaning pieces, the two strip plates are mounted on the research cabinet and located on two sides of the touch display screen respectively, two ends of the mounting plate are connected with the two strip plates in a sliding mode respectively, the cleaning pieces are mounted on the mounting plate and evenly arranged along the length direction of the mounting plate, and the cleaning pieces abut against the touch display screen.
Optionally, the cleaning piece comprises a connecting rod, a cleaning handle and cleaning cotton, the cleaning handle is fixed to one end of the connecting rod, the cleaning cotton is fixed to one side, away from the connecting rod, of the cleaning handle, and one side, away from the cleaning handle, of the cleaning cotton abuts against the touch display screen.
Optionally, the connecting rod rotates and installs on the mounting panel, be fixed with drive gear on the connecting rod, the equal intermeshing of per two adjacent drive gear, the last rotation of strip shaped plate installs the pivot, be fixed with the driving gear in the pivot, driving gear and terminal drive gear intermeshing, be fixed with the rack along length direction on the strip shaped plate, rack and driving gear intermeshing.
Optionally, a driving motor is fixed on the mounting plate, and an output shaft of the motor is fixed to the rotating shaft.
Optionally, both ends of the strip-shaped plate are fixed with mounting blocks, a fixing rod adapted to the mounting blocks is fixed on the research cabinet, the fixing rod passes through the mounting blocks and is slidably connected with the mounting blocks, one end of the fixing rod passing through the mounting blocks is connected with a threaded sleeve in a threaded manner, a compression spring is sleeved on the fixing rod, one end of the compression spring abuts against the research cabinet, and the other end of the compression spring abuts against the mounting blocks.
Optionally, a hand wheel is fixed to one end of the threaded sleeve, which is far away from the mounting block.
Optionally, the both ends of mounting panel all are fixed with a plurality of fixed axles, the last rotational mounting of fixed axle has the pulley, the spout has been seted up towards one side of mounting panel to the bar shaped plate, pulley slidable mounting is in rather than the spout of homonymy.
According to the technical scheme, the questionnaire investigation on the person to be investigated is automatically carried out by adopting the settings of the investigation cabinet, the investigation button, the gravity sensor, the processor, the memory, the touch display screen and the power supply; according to the technical scheme, by arranging the cleaning mechanism, automatic cleaning of pollutants such as fingerprints and grease on the touch display screen is realized, a certain protection effect on the touch display screen can be achieved, and the investigation experience of a person to be investigated is more comfortable.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of the connections of the electronic components of the auto-induction cigarette questionnaire investigation system of the present invention;
FIG. 2 is a schematic structural diagram of a first embodiment of an auto-induction cigarette questionnaire investigation system of the present invention;
FIG. 3 is a schematic diagram of an exploded view of a cleaning mechanism in a first embodiment of an auto-induction cigarette questionnaire investigation system of the present invention;
FIG. 4 is an enlarged schematic view at A in FIG. 3;
FIG. 5 is a cross-sectional view of a first embodiment of the auto-induction cigarette questionnaire investigation system of the present invention showing a positioning rod, a threaded sleeve, and the like;
the reference numbers illustrate: a research button 110; a processor 120; a gravity sensor 130; a memory 140; a touch display screen 150; a server 160; a brightness detection device 170; an LED lamp 180; an infrared sensor 190; a research cabinet 300; a positioning rod 310; a threaded sleeve 320; a compression spring 330; a hand wheel 340; a cleaning mechanism 400; a mounting plate 410; a rotating shaft 411; a drive gear 412; a drive motor 413; a fixed shaft 414; a pulley 415; a strip 420; a rack 421; a mounting block 422; a chute 423; cleaning members 430; a connecting rod 431; a cleaning handle 432; cleaning cotton 433; a drive gear 434.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an automatic induction cigarette questionnaire investigation system. The auto-induction cigarette questionnaire investigation system includes: a research cabinet 300, a research button 110, a gravity sensor 130, a processor 120, a memory 140, a touch display 150 and a power supply; the investigation button 110 is arranged in the investigation cabinet 300, the investigation button 110 is in communication connection with the processor 120, the investigation button 110 is electrically connected with a power supply, the processor 120 is in communication connection with the memory 140, and the processor 120 is arranged in the investigation cabinet 300; the gravity sensor 130 is disposed at the front end of the research cabinet 300, the gravity sensor 130 is in communication connection with the processor 120, and the gravity sensor 130 is electrically connected with a power supply; the touch display 150 is disposed in the research cabinet 300, the touch display 150 is in communication with the processor 120, and the touch display 150 is electrically connected to a power source. When the investigator presses the investigation button 110, the investigation button 110 sends a first sensing message to the processor 120; the processor 120 receives a first sensing instruction sent by the investigation button 110, and the processor 120 determines whether a second sensing message sent by the gravity sensor 130 is received within a preset time range; when the processor 120 receives the second sensing information sent by the gravity sensor 130 within a preset time range after receiving the first sensing instruction sent by the research button 110, the processor 120 sends the cigarette questionnaire research table stored in the memory 140 to the touch display 150; after receiving the cigarette questionnaire form sent by the processor 120, the touch display screen 150 displays the cigarette questionnaire form on the display interface of the touch display screen 150; after the surveyor sees that the cigarette questionnaire survey table is displayed on the touch display screen 150, filling questionnaire information in the cigarette file survey table; when the questionnaire completion pattern is clicked on touch display 150 by the investigator, touch display 150 transmits questionnaire information filled in by the investigator to processor 120. The processor 120 receives the questionnaire information sent by the touch display screen 150, and fills the questionnaire information into the cigarette questionnaire investigation table to generate cigarette questionnaire investigation information; processor 120 then stores the cigarette questionnaire survey information in memory 140 to complete the cigarette questionnaire survey.
Specifically, in order to automatically transmit the cigarette questionnaire research information obtained by research to the server 160, the auto-induction cigarette questionnaire research system further includes: a server 160; the server 160 is communicatively coupled to the processor 120. When processor 120 stores the cigarette questionnaire survey information in memory 140, processor 120 sends the cigarette questionnaire survey information to server 160.
Specifically, in order to facilitate the investigator to start the investigation button 110 and to facilitate the investigator to fill in questionnaire information; the research cabinet 300 includes a first inclined plane and a first table, the research button 110 is disposed on the first table, and the touch display screen 150 is disposed on the first inclined plane.
Specifically, to increase the brightness near the research cabinet 300. The auto-induction cigarette questionnaire investigation system still includes: a brightness detection device 170 and an LED lamp 180; the brightness detection device 170 is disposed at the front end of the research cabinet 300, the brightness detection device 170 is electrically connected to the processor 120, and the brightness detection device 170 is electrically connected to the power supply; the LED lamp 180 is disposed on the front surface of the research cabinet 300, the LED lamp 180 is disposed above the touch display screen 150, the LED lamp 180 is electrically connected to the processor 120, and the LED lamp 180 is electrically connected to the power supply. After the processor 120 acquires the first sensing information, the processor 120 sends a brightness detection instruction to the brightness detection device 170; after receiving the brightness detection instruction, the brightness detection device 170 detects and acquires current ambient brightness information every first preset time (the first preset time may be 30s, 1min, or 2min), and sends the current ambient brightness information to the processor 120, the processor 120 determines whether the current ambient brightness information is smaller than an ambient brightness threshold value after receiving the current ambient brightness information, and when the processor 120 determines that the current ambient brightness information is smaller than the ambient brightness threshold value, the processor 120 controls the LED lamp 180 to light.
Specifically, in order to facilitate movement of the research cabinet 300, the power source is a storage battery.
Specifically, in order to prevent the investigation button 110 from being operated by mistake, the auto-induction cigarette questionnaire investigation system further includes: the infrared sensor 190, the infrared sensor 190 are disposed right in front of the research cabinet 300, the infrared sensor 190 is in communication connection with the processor 120, and the infrared sensor 190 is electrically connected with a power supply. After the processor 120 acquires the first sensing information, the processor 120 sends a second sensing instruction to the infrared sensor 190; after receiving the second sensing instruction, the infrared sensor 190 detects and acquires infrared sensing information, and sends the infrared sensing information to the processor 120, and after the processor 120 receives the infrared sensing information, it determines whether the infrared sensing information is smaller than an infrared sensing threshold, and when the processor 120 determines that the infrared sensing information is smaller than the infrared sensing threshold, the cigarette questionnaire is not sent to the touch display screen 150.
Specifically, in order to remove the contaminants such as fingerprints and grease remaining on the touch screen 150, the automatic induction cigarette questionnaire investigation system further comprises a cleaning mechanism 400 for cleaning the touch screen 150, wherein the cleaning mechanism 400 comprises a mounting plate 410, two strip plates 420 and ten cleaning members 430, the two strip plates 420 are mounted on the investigation cabinet 300, and are respectively positioned at the left and right sides of the touch display screen 150, both ends of the mounting plate 410 are respectively connected with the two strip-shaped plates 420 in a sliding manner, the mounting plate 410 spans the whole touch display screen 150, a plurality of cleaning pieces 430 are all mounted on the mounting plate 410, and are uniformly arranged along the length direction of the mounting plate 410, the cleaning member 430 is abutted against the touch display screen 150, when the touch display screen 150 needs to be cleaned, the mounting plate 410 can be driven to slide relative to the strip-shaped plate 420, thereby driving the cleaning member 430 to move on the touch display screen 150, and achieving the purpose of cleaning the touch display screen 150.
Specifically, in order to achieve a better cleaning effect, the cleaning member 430 includes a connecting rod 431, a cleaning handle 432 and cleaning cotton 433, the cleaning handle 432 is fixed on one end of the connecting rod 431, the cleaning cotton 433 is fixed on one side of the cleaning handle 432 away from the connecting rod 431, one side of the cleaning cotton 433 away from the cleaning handle 432 abuts against the touch display screen 150, and in the embodiment, the cleaning handle 432 and the cleaning cotton 433 are both of a circular structure, the cleaning cotton 433 of the adjacent cleaning members 430 are all in contact with each other, by this arrangement, all the cleaning cotton 433 can completely cover the touch display screen 150, the widest cleaning range is reached, and the cleaning quality is improved.
Specifically, in order to achieve a better cleaning effect, the connecting rod 431 is rotatably installed on the installation plate 410, the connecting rod 431 is connected with the transmission gears 434 in a key mode, every two adjacent transmission gears 434 are meshed with each other, the positions, close to the two ends, of the strip-shaped plate 420 are rotatably installed with the rotating shafts 411, the rotating shafts 411 are connected with the driving gears 412 in a key mode, the driving gears 412 are meshed with the tail end transmission gears 434, the strip-shaped plate 420 faces one side of the installation plate 410 and is fixed with the racks 421 along the length direction, the racks 421 are meshed with the driving gears 412 on the same side, when the installation plate 410 slides relative to the strip-shaped plate 420, all cleaning pieces 430 can be driven to rotate through the mutual matching effect of the driving gears 412 and the racks 421, accordingly, the cleaning cotton 433 can rotate on the touch display screen 150, and the cleaning quality is further improved.
Specifically, the position of the mounting plate 410 near the left end is fixed with the driving motor 413, the output shaft of the driving motor 413 is fixed with the rotating shaft 411 on the left side, and the rotating shaft 411 is driven to rotate by the driving motor 413, so that the mounting plate 410 and the cleaning piece 430 can be driven to move, the cleaning piece 430 can be driven to rotate, and the automation degree of the cleaning mechanism 400 is higher.
Specifically, in order to adjust the abutting degree between the cleaning member 430 and the touch display screen 150, the upper end and the lower end of the strip-shaped plate 420 are integrally formed with the mounting block 422, the investigation cabinet 300 is fixed with the positioning rod 310 matched with the mounting block 422, the number and the position of the positioning rod 310 are consistent with those of the mounting block 422, the positioning rod 310 penetrates through the mounting block 422 and is slidably connected with the mounting block 422, one end of the positioning rod 310 penetrating through the mounting block 422 is connected with the threaded sleeve 320 in a threaded manner, the positioning rod 310 is sleeved with the compression spring 330, one end of the compression spring 330 abuts against the investigation cabinet 300, the other end of the compression spring 330 abuts against the mounting block 422, when the abutting degree between the cleaning cotton 433 and the touch display screen 150 is not enough to clean the pollutants on the touch display screen 150, the threaded sleeve 320 can be rotated to enable the threaded sleeve 320 to push the strip-shaped plate 420, so that the strip-shaped plate 420, The mounting plate 410 and the cleaning piece 430 move towards the touch display screen 150, so that the abutting degree of the cleaning cotton 433 and the touch display screen 150 is increased, and the cleaning quality is further improved.
Specifically, in order to rotate the threaded sleeve 320, a hand wheel 340 is fixed to one end, away from the mounting block 422, of the threaded sleeve 320, and a worker can rotate the hand wheel 340 to drive the threaded sleeve 320 to rotate, so that the operation is convenient and fast.
Specifically, in order to enable the mounting plate 410 to slide relative to the strip-shaped plate 420 more smoothly, two fixing shafts 414 are fixed at two ends of the mounting plate 410, a pulley 415 is rotatably mounted on the fixing shafts 414, a sliding groove 423 is formed in one side, facing the mounting plate 410, of the strip-shaped plate 420, the sliding groove 423 is arranged along the length direction of the strip-shaped plate 420, the pulley 415 is slidably mounted in the sliding groove 423 on the same side of the pulley 415, and the sliding process of the mounting plate 410 is more smoothly achieved through the mutual matching of the pulley 415 and the sliding groove 423.
According to the technical scheme, the questionnaire investigation on the person to be investigated is automatically carried out by adopting the settings of the investigation cabinet 300, the investigation button 110, the gravity sensor 130, the processor 120, the memory 140, the touch display screen 150 and the power supply; according to the technical scheme, by arranging the cleaning mechanism 400, automatic cleaning of pollutants such as fingerprints and grease on the touch display screen 150 is realized, a certain protection effect on the touch display screen 150 can be achieved, and the investigation experience of a person to be investigated is more comfortable.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the specification and drawings, or any other related technical fields, which are directly or indirectly applied to the present invention, are included in the scope of the present invention.

Claims (10)

1. An auto-induction cigarette questionnaire investigation system, characterized in that it comprises: the system comprises a research cabinet, a research button, a gravity sensor, a processor, a memory, a touch display screen and a power supply;
the investigation button is arranged in the investigation cabinet and is in communication connection with the processor, the investigation button is electrically connected with the power supply, the processor is in communication connection with the memory, and the processor is arranged in the investigation cabinet;
the gravity sensor is arranged at the front end of the investigation cabinet and is in communication connection with the processor, and the gravity sensor is electrically connected with the power supply;
the touch display screen is arranged in the research cabinet and is in communication connection with the processor, and the touch display screen is electrically connected with the power supply.
2. The system of claim 1, wherein the research cabinet comprises a first inclined surface and a first table surface, the research button is disposed on the first table surface, and the touch screen display is disposed on the first inclined surface.
3. The auto-induction cigarette questionnaire investigation system of claim 2, further comprising: a brightness detection device and an LED lamp;
the brightness detection device is arranged at the front end of the research cabinet and is electrically connected with the processor, and the brightness detection device is electrically connected with the power supply;
the LED lamp is arranged on the front surface of the research cabinet and above the touch display screen, electrically connected with the processor, and electrically connected with the power supply.
4. The system according to any one of claims 1-3, further comprising a cleaning mechanism for cleaning the touch screen, wherein the cleaning mechanism comprises a mounting plate, two strips and a plurality of cleaning members, the two strips are mounted on the research cabinet and located on two sides of the touch screen, the two ends of the mounting plate are slidably connected to the two strips, the cleaning members are mounted on the mounting plate and evenly arranged along the length direction of the mounting plate, and the cleaning members abut against the touch screen.
5. The system according to claim 4, wherein the cleaning member comprises a connecting rod, a cleaning handle fixed to an end of the connecting rod, and a cleaning cotton fixed to a side of the cleaning handle remote from the connecting rod, the side of the cleaning cotton remote from the cleaning handle abutting against the touch display screen.
6. The system according to claim 5, wherein the connecting rod is rotatably mounted on the mounting plate, the connecting rod is fixed with two transmission gears, each two adjacent transmission gears are engaged with each other, the strip is rotatably mounted with a rotating shaft, the rotating shaft is fixed with a driving gear, the driving gear is engaged with the transmission gear at the end, the strip is fixed with a rack along the length direction, and the rack is engaged with the driving gear.
7. The system according to claim 6, wherein a driving motor is fixed to the mounting plate, and an output shaft of the driving motor is fixed to the rotating shaft.
8. The system according to claim 4, wherein the bar-shaped plate has a mounting block fixed to both ends thereof, the cabinet has a fixing rod fixed thereto, the fixing rod passes through the mounting block and is slidably connected to the mounting block, the fixing rod passes through one end of the mounting block and is threadedly connected to a threaded sleeve, the fixing rod is sleeved with a compression spring, one end of the compression spring abuts against the cabinet, and the other end of the compression spring abuts against the mounting block.
9. The system of claim 8, wherein a hand wheel is secured to an end of the threaded sleeve distal from the mounting block.
10. The system according to claim 8, wherein a plurality of fixed shafts are fixed to both ends of the mounting plate, each fixed shaft is rotatably provided with a pulley, one side of the strip-shaped plate facing the mounting plate is provided with a sliding groove, and the pulley is slidably mounted in the sliding groove on the same side of the strip-shaped plate.
CN202220036192.1U 2022-01-07 2022-01-07 Automatic response cigarette questionnaire investigation system Active CN216697418U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220036192.1U CN216697418U (en) 2022-01-07 2022-01-07 Automatic response cigarette questionnaire investigation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220036192.1U CN216697418U (en) 2022-01-07 2022-01-07 Automatic response cigarette questionnaire investigation system

Publications (1)

Publication Number Publication Date
CN216697418U true CN216697418U (en) 2022-06-07

Family

ID=81818205

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220036192.1U Active CN216697418U (en) 2022-01-07 2022-01-07 Automatic response cigarette questionnaire investigation system

Country Status (1)

Country Link
CN (1) CN216697418U (en)

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