CN211582535U - Intelligent cup mat and tea service system - Google Patents
Intelligent cup mat and tea service system Download PDFInfo
- Publication number
- CN211582535U CN211582535U CN201922441352.1U CN201922441352U CN211582535U CN 211582535 U CN211582535 U CN 211582535U CN 201922441352 U CN201922441352 U CN 201922441352U CN 211582535 U CN211582535 U CN 211582535U
- Authority
- CN
- China
- Prior art keywords
- tea
- cup mat
- wireless communicator
- operation panel
- monitoring sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Cash Registers Or Receiving Machines (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Table Equipment (AREA)
Abstract
The application discloses intelligence coaster includes: the cup mat comprises a cup mat body, a master controller, a first wireless communicator, a monitoring sensor and an operation panel; the main controller, the first wireless communicator, the monitoring sensor and the operation panel are all arranged on the cup mat body; the monitoring sensor is used for monitoring the container state information; the operation panel is used for selecting the type of tea; the main controller is respectively electrically connected with the monitoring sensor, the operation panel and the first wireless communicator, and the main controller is also used for determining tea type information according to selection information fed back by the operation panel and determining tea residual amount information in the container according to the container state information. The tea water information corresponding to the conference staff can be provided, unnecessary walking of the conference staff is reduced, tea water service is accurately provided for the participants, and the pressure of the conference staff is relieved. A tea service system is also provided.
Description
Technical Field
The application relates to the technical field of intelligent appliances for tea service, in particular to an intelligent cup mat and a tea service system.
Background
On the meeting site, meeting personnel often can not know the water allowance of the water cup of the participant, can not know the tea water information (water, tea or coffee) in the water cup, and can not know the requirements of the participant (water, tea or coffee is needed). Due to the loss of the information of the water cup, the conference staff easily moves back and forth in the conference place to interfere the normal operation of the conference; but also can cause the phenomenon that the tea water cannot be added in time or wrong tea water is added due to negligence of staff.
SUMMERY OF THE UTILITY MODEL
In view of this, a first object of the present application is to provide an intelligent cup mat, which can provide tea information corresponding to a service staff, reduce unnecessary movement of the service staff, accurately provide tea service for participants, and reduce pressure on the service staff.
A second object of the present application is to provide a tea service system.
In order to achieve the above technical object, the present application provides an intelligent cup mat, including: the cup mat comprises a cup mat body, a master controller, a first wireless communicator, a monitoring sensor and an operation panel;
the main controller, the first wireless communicator, the monitoring sensor and the operation panel are all arranged on the cup mat body;
the monitoring sensor is used for monitoring container state information;
the operation panel is used for selecting the type of tea;
the main controller is respectively electrically connected with the monitoring sensor, the operation panel and the first wireless communicator, and is also used for determining tea type information according to the selection information fed back by the operation panel and determining tea residual amount information in the container according to the container state information.
Further, the monitoring sensor is specifically a weight sensor.
Further, the cup pad body comprises a seat body and a base plate;
an accommodating cavity is formed in the seat body, and a mounting opening communicated with the accommodating cavity is formed in the top surface of the seat body;
the base plate is movably arranged on the mounting opening;
the monitoring sensor install in hold the intracavity, and the stiff end with the diapire that holds the chamber is connected, the response end with the backing plate inside wall is connected.
Further, the first wireless communicator and the main controller are both installed in the accommodating cavity.
Further, the operation panel is installed on the top of the seat body.
Further, the lithium battery is also included;
the lithium battery is installed on the cup mat body and respectively connected with the main controller, the first wireless communicator, the monitoring sensor and the operating panel.
Furthermore, the main controller is also used for acquiring the electric quantity information of the lithium battery.
Furthermore, be equipped with on the coaster body with the interface that charges that the lithium cell electricity is connected.
Further, the first wireless communicator is embodied as a radio frequency transmitter.
A tea service system comprising: the background terminal, the second wireless communicator and the intelligent cup mat;
the second wireless communicator is in wireless communication connection with the first wireless communicator of the intelligent cup mat;
the background terminal is electrically connected with the second wireless communicator.
According to the technical scheme, the main controller, the first wireless communicator, the monitoring sensor and the operation panel are installed on the cup mat body; the monitoring sensor is used for monitoring container state information, the operation panel is used for allowing a participant to select tea types, the main controller can determine tea type information according to selection information fed back by the operation panel and determine tea surplus information in the container according to the container state information, and then the tea surplus information and the tea type information are fed back to background terminals such as a server through the first wireless communicator, so that the conference staff can master the tea information in the container of the participant, unnecessary walking of the conference staff is reduced, the tea service is accurately provided for the participant, and the pressure of the conference staff is reduced.
According to the technical scheme, the tea service system comprises a background terminal, a second wireless communicator and an intelligent cup mat; wherein intelligent coaster can be through second wireless communication ware and backstage terminal wireless communication connection, can send the tea information that the monitoring was gathered for backstage terminal, wherein backstage terminal can carry out analysis and judgement according to the tea information to receiving, confirm whether the container that the intelligent coaster that corresponds supported needs to supply tea and supply what type tea, the staff can learn relevant information through backstage terminal, thereby can reduce the unnecessary of staff and move, the accuracy provides the tea service for the participant, alleviate staff's pressure.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a block flow diagram of an intelligent coaster provided herein;
FIG. 2 is a schematic structural diagram of a first axial side view of an intelligent coaster provided herein;
FIG. 3 is a schematic structural diagram of a first axial side view of an intelligent coaster provided herein;
fig. 4 is a first system block diagram of a tea service system provided in the present application;
fig. 5 is a second system block diagram of a tea service system provided in the present application;
in the figure: 1. a cup pad body; 11. a base body; 12. a base plate; 13. a charging interface; 14. a charging indicator light; 21. a selection button; 22. a type indicator light; 23. a switch button; 101. a controller; 102. a first wireless communicator; 103. an operation panel; 104. monitoring a sensor; 105. a lithium battery; 201. a background terminal; 202. a second wireless communicator; 203. a printer.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The embodiment of the application discloses an intelligent cup mat.
Referring to fig. 1 and fig. 2, an embodiment of an intelligent cup mat provided in an embodiment of the present application includes:
the cup pad comprises a cup pad body 1, a master controller 101, a first wireless communicator 102, a monitoring sensor 104 and an operation panel 103; the main controller 101, the first wireless communicator 102, the monitoring sensor 104 and the operation panel 103 are all arranged on the cup mat body 1; the monitoring sensor 104 is used to monitor container status information; the operation panel 103 is used for selecting tea type; the main controller 101 is electrically connected with the monitoring sensor 104, the operation panel 103 and the first wireless communicator 102 respectively, and the main controller 101 is further configured to determine tea type information according to selection information fed back by the operation panel 103 and determine tea remaining amount information in the container according to container state information. The container can be a conventional cup, and is not limited in particular.
Specifically, the main controller 101 in this embodiment may be a PLC control board, a microprocessor, or the like, and includes a digital signal processing circuit, and the main controller facilitates signal conversion required for tea water residual amount information and tea water type information collected by the tendon monitoring sensor 104, and wirelessly transmits the tea water residual amount information and the tea water type information to the background system through the first wireless communicator 102. Certainly, in this embodiment, the main controller 101 may also include a memory, which may be used to store the tea water remaining amount information and the tea water type information, and provide a plurality of wired data reading modes, so that the operation and use are more diversified. In addition, the main controller 101 may analyze and determine the determined tea water remaining amount information, for example, obtain a tea water remaining amount value according to the tea water remaining amount information, compare the tea water remaining amount value with a preset value, when the value is less than or equal to the preset value, determine that tea water needs to be supplemented, and when the value is greater than the preset value, determine that tea water does not need to be supplemented, and send the determined result to the background terminal 201 through the first wireless communicator 102. The main controller 101 may also not determine the obtained tea water remaining amount information, directly convert and send the tea water remaining amount information to the background terminal 201, and the background terminal 201 performs analysis and determination, which is not limited specifically. The effect of operating panel 103 can provide participant's selection or change tea type, for example, select black tea under the initial condition, and can change green tea through control panel midway, the tea type information that the master controller 101 obtained has just also taken place the change this moment, consequently send the tea type information that gives backstage terminal 201 just also corresponding change, after knowing this meeting personnel's that corresponds intelligent coaster corresponds change demand, can change the tea type for this meeting personnel, send this meeting personnel a cup of green tea again. The operation panel 103 is also a touch panel having a man-machine interface, and can be used to select a tea type. Of course, the button panel may be a conventional button panel, as shown in fig. 2, taking the button panel as an example, the operation panel 103 may include a switch button 23 for controlling the power on/off; a selection button 21 for selecting a tea type; the tea water dispenser can further comprise a type indicator lamp 22 for indicating the selected tea water type, so that the operation and the use of the participants are more convenient; for example, the red indicator light may indicate black tea, the green indicator light may indicate green tea, and the like, and the selection button is operated until the corresponding indicator light is turned on, which represents that the corresponding type of tea is selected. The operation of the selection button 21 may be to realize tea type selection according to the number of times of pressing, for example, one time of pressing to select black tea water, two times of pressing to select green tea water, and the like. Of course, a rotary knob may be used instead of the selection button 21, and the selection of the type of the tea water may be realized by turning the rotary knob to different angles, which is not limited specifically. The main controller 101 may obtain and send the tea water residual amount information and the tea water type information to the background terminal 201 at a timing point according to a preset time point (e.g., 30s.60s … …), and the time point interval is set reasonably, so that the data redundancy condition can be reduced, the calculation amount is saved, and no limitation is specifically made.
According to the technical scheme, the main controller 101, the first wireless communicator 102, the monitoring sensor 104 and the operation panel 103 are arranged on the cup mat body 1; the monitoring sensor 104 is used for monitoring container state information, the operation panel 103 is used for allowing a participant to select tea types, the main controller 101 can determine tea type information according to selection information fed back by the operation panel 103 and determine tea surplus information in the container according to the container state information, and then the tea surplus information and the tea type information are fed back to the background terminals 201 such as the server through the first wireless communicator 102, so that the conference staff can master the tea information in the container of the participant, unnecessary walking of the conference staff is reduced, the tea service is accurately provided for the participant, and the pressure of the conference staff is reduced.
The above is a first embodiment of the intelligent cup mat provided in the embodiments of the present application, and the following is a second embodiment of the intelligent cup mat provided in the embodiments of the present application, please refer to fig. 1 to 3 specifically.
An intelligent cup mat comprising: the cup pad comprises a cup pad body 1, a master controller 101, a first wireless communicator 102, a monitoring sensor 104 and an operation panel 103; the main controller 101, the first wireless communicator 102, the monitoring sensor 104 and the operation panel 103 are all arranged on the cup mat body 1; the monitoring sensor 104 is used to monitor container status information; the operation panel 103 is used for selecting tea type; the main controller 101 is electrically connected with the monitoring sensor 104, the operation panel 103 and the first wireless communicator 102 respectively, and the main controller 101 is further configured to determine tea type information according to selection information fed back by the operation panel 103 and determine tea remaining amount information in the container according to container state information.
Further, the monitoring sensor 104 may be embodied as a weight sensor. The weight sensor is a commonly used weighing sensor in the market, the total weight information of the container can be monitored and fed back to the main controller 101, and the main controller 101 calculates the tea water residual amount information in the container according to the total weight information; specifically, for example, the net weight of the tea water can be obtained by subtracting the self weight of the container from the total weight of the container, and then the net weight is multiplied by the density of the tea water corresponding to the type of tea water to obtain the balance of the tea water. The density of different types of tea water can be measured by corresponding instruments. Of course, the tea water balance in the present application may be the net weight of the tea water. In this embodiment, the monitoring sensor 104 may also be an ultrasonic liquid level sensor, and is configured to monitor a liquid level condition of the tea water in the container, so as to achieve a purpose of collecting tea water residual amount information. The ultrasonic sensor can be mounted on the cup pad body 1 through a bracket (not shown) and is positioned right above the container. Those skilled in the art can make appropriate changes based on the above without limitation.
Further, the structure of the coaster body 1 may be as shown in fig. 2 and 3, and the monitoring sensor 104 is a weight sensor as an example. The cup pad body 1 can comprise a seat body 11 and a backing plate 12; an accommodating cavity is arranged in the seat body 11, and a mounting opening communicated with the accommodating cavity is formed in the top surface of the seat body 11; the backing plate 12 is movably mounted on a mounting opening (not shown); the monitoring sensor 104 is installed in the accommodating cavity, the fixed end of the monitoring sensor is connected with the bottom wall of the accommodating cavity, and the sensing end of the monitoring sensor is connected with the inner side wall of the base plate 12. Due to the structural design, when the container is placed on the backing plate 12, the backing plate 12 is pressed, the weight sensor can sense the weight, and the weight of the whole container can be measured. In this embodiment, in order to make the installation that backing plate 12 can be stable on the installing port, can set up a plurality of guide pillars (not shown in the figure) on the diapire that holds the chamber, and be equipped with a plurality of protruding posts (not shown in the figure) with the guide pillar one-to-one on the inside wall of backing plate 12, wherein can set up the guide hole (not shown in the figure) that supplies the guide pillar activity to stretch into on the protruding post to realize that backing plate 12 stable installation is on the installing port, also make the weight that weight sensor sensed more balanced.
Further, taking the structure of the cup pad body 1 as an example, both the first wireless communicator 102 and the main controller 101 can be installed in the accommodating cavity. The operation panel 103 may be mounted on the top of the seat body 11. The whole structure is compact and beautiful.
Further, a lithium battery 105; the lithium battery 105 is mounted on the coaster body 1, and is connected to the main controller 101, the first wireless communicator 102, the monitoring sensor 104, and the operation panel 103, respectively. This application can also set up built-in lithium cell 105 for the power supply reduces arranging of power supply line, facilitates the use more.
Further, the main controller 101 is also used for acquiring the electric quantity information of the lithium battery 105. The main controller 101 can control the charging of the lithium battery 105 through the power control circuit, and simultaneously obtain the electric quantity information of the lithium battery 105 so as to inform people of charging in time.
Further, a charging interface 13 electrically connected with the lithium battery 105 is arranged on the cup mat body 1. The charging interface 13 may be a USB-b/c charging interface 13, and is not limited specifically. In this embodiment, a charging indicator lamp 14 may be further provided for indicating the charging condition.
Further, the first wireless communicator 102 is embodied as a radio frequency transmitter. A wireless bluetooth communicator, a WiFi communicator, etc. may also be used, without limitation. Taking the radio frequency transmitter as an example, it may use a frequency of 868MHz, for example, to communicate with the backend terminal 201, so that it has a better penetration capability and can ensure normal transmission and reception of signals.
According to the technical scheme, the main controller 101, the first wireless communicator 102, the monitoring sensor 104 and the operation panel 103 are arranged on the cup mat body 1; the monitoring sensor 104 is used for monitoring container state information, the operation panel 103 is used for allowing a participant to select tea types, the main controller 101 can determine tea type information according to selection information fed back by the operation panel 103 and determine tea surplus information in the container according to the container state information, and then the tea surplus information and the tea type information are fed back to the background terminals 201 such as the server through the first wireless communicator 102, so that the conference staff can master the tea information in the container of the participant, unnecessary walking of the conference staff is reduced, the tea service is accurately provided for the participant, and the pressure of the conference staff is reduced.
The embodiment of the application also discloses a tea service system.
Referring to fig. 4 and 5, an embodiment of a tea service system provided in an embodiment of the present application includes:
the background terminal 201, the second wireless communicator 202 and the intelligent cup mat; the second wireless communicator 202 is in wireless communication connection with the first wireless communicator 102 of the intelligent cup mat; the background terminal 201 is electrically connected with the second wireless communicator 202.
Specifically, the backend terminal 201 may be a server, which may be provided with a computer that is convenient to operate, and provide a human-computer interaction interface through the computer, so as to facilitate operations of the staff of the meeting, which is not limited specifically. As shown in fig. 4, after passing through the master controller 101, the tea water remaining amount information acquired by the monitoring sensor 104 of the intelligent cup mat and the tea water type information determined according to the selection information fed back by the operation panel 103 are sent to the background terminal 201 through the first wireless communicator 102 and the second wireless communicator 202, wherein the background terminal 201 can record the received tea water remaining amount information and the tea water type information, analyze and judge the tea water remaining amount information, judge whether to supplement tea water by comparing the tea water remaining amount information with a preset value, and judge that the tea water needs to be supplemented when the tea water remaining amount is less than or equal to the preset value; and when the residual amount of the tea water is larger than the preset value, judging that the tea water is not needed. In this embodiment, a printer 203 may be further included, wherein the background terminal 201 may be connected to the printer 203, and print the tea water surplus information, the tea water type information, and the corresponding intelligent coaster number, where the tea water surplus is smaller than the preset value. As shown in fig. 5, the intelligent cup mat number is 1.2.3 … …, after the background terminal 201 receives the tea water surplus information and the tea water type information sent by the intelligent cup mats, the tea water surplus information of each intelligent cup mat is correspondingly judged, the intelligent cup mat which needs to be replenished with tea water can be recorded with the number, the tea water surplus information and the tea water type information, and then is printed by the printer 203, so that the intelligent cup mat can be conveniently handled by the conference staff in a unified manner. Similarly, whether the tea type information sent by the currently received intelligent cup mat is changed compared with the tea type information sent by the intelligent cup mat received last time can be analyzed and compared, and if the change occurs, the number of the intelligent cup mat and the changed tea type information can be printed. In this embodiment, the program for comparison is analyzed, and the preset value for comparison can be called from the database in the background terminal. In addition, for example, the first wireless communicator 102 is a radio frequency transmitter, and the second wireless communicator 202 can be a radio frequency receiver. And radio frequency communication is adopted, one-to-many communication can be realized, and the use is convenient.
In summary, the contents of the present specification should not be construed as limiting the present application, and a person skilled in the art can easily understand that the present application is not limited to the specific embodiments and the application scope of the present application.
Claims (10)
1. An intelligent cup mat, comprising: the cup mat comprises a cup mat body, a master controller, a first wireless communicator, a monitoring sensor and an operation panel;
the main controller, the first wireless communicator, the monitoring sensor and the operation panel are all arranged on the cup mat body;
the monitoring sensor is used for monitoring container state information;
the operation panel is used for selecting the type of tea;
the main controller is respectively electrically connected with the monitoring sensor, the operation panel and the first wireless communicator, and is also used for determining tea type information according to the selection information fed back by the operation panel and determining tea residual amount information in the container according to the container state information.
2. The intelligent coaster of claim 1, wherein the monitoring sensor is specifically a weight sensor.
3. The intelligent cup mat according to claim 2, wherein the cup mat body comprises a seat body and a base plate;
an accommodating cavity is formed in the seat body, and a mounting opening communicated with the accommodating cavity is formed in the top surface of the seat body;
the base plate is movably arranged on the mounting opening;
the monitoring sensor install in hold the intracavity, and the stiff end with the diapire that holds the chamber is connected, the response end with the backing plate inside wall is connected.
4. The intelligent coaster of claim 3, wherein the first wireless communicator and the master controller are both mounted within the receiving cavity.
5. The intelligent coaster of claim 3, wherein the operating panel is mounted on a top of the base.
6. The intelligent cup mat according to claim 1, further comprising a lithium battery;
the lithium battery is installed on the cup mat body and respectively connected with the main controller, the first wireless communicator, the monitoring sensor and the operating panel.
7. The intelligent cup mat of claim 6, wherein the master controller is further configured to obtain information on the power level of the lithium battery.
8. The intelligent cup mat according to claim 7, wherein a charging interface electrically connected with the lithium battery is arranged on the cup mat body.
9. The intelligent coaster of claim 1, wherein the first wireless communicator is specifically a radio frequency transmitter.
10. A tea service system, comprising: a background terminal, a second wireless communicator and the intelligent cup mat of any one of claims 1 to 9;
the second wireless communicator is in wireless communication connection with the first wireless communicator of the intelligent cup mat;
the background terminal is electrically connected with the second wireless communicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922441352.1U CN211582535U (en) | 2019-12-30 | 2019-12-30 | Intelligent cup mat and tea service system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922441352.1U CN211582535U (en) | 2019-12-30 | 2019-12-30 | Intelligent cup mat and tea service system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211582535U true CN211582535U (en) | 2020-09-29 |
Family
ID=72597865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922441352.1U Active CN211582535U (en) | 2019-12-30 | 2019-12-30 | Intelligent cup mat and tea service system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211582535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110960051A (en) * | 2019-12-30 | 2020-04-07 | 广东电网有限责任公司 | Intelligent cup mat and tea service system |
-
2019
- 2019-12-30 CN CN201922441352.1U patent/CN211582535U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110960051A (en) * | 2019-12-30 | 2020-04-07 | 广东电网有限责任公司 | Intelligent cup mat and tea service system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113017377B (en) | Intelligent cup sleeve and daily drinking water amount monitoring method and system | |
| CN211582535U (en) | Intelligent cup mat and tea service system | |
| CN202004279U (en) | Power socket device capable of remotely controlling on and off of power source and remote control type power socket of power socket device | |
| CN108870636A (en) | Electric appliance and container liquid shortage protection device and control method thereof | |
| CN110960051A (en) | Intelligent cup mat and tea service system | |
| CN106419670B (en) | Chopping board | |
| CN205812080U (en) | Intelligent spoon and management equipment | |
| CN103235751B (en) | Battery capacity displaying method and system, remote control device and remote controlled terminal | |
| CN207148567U (en) | Display device | |
| CN207301708U (en) | A kind of control system of intelligent material allocation cabinet | |
| CN207197684U (en) | A kind of electrical equipment wireless temperature measurement system | |
| CN108937948A (en) | A kind of laser height scale and human body component evaluation system | |
| CN217645022U (en) | Water tank assembly and cooking appliance with steam function | |
| CN110395136A (en) | A kind of intelligent charge cabinet control system of electric bicycle | |
| CN201364131Y (en) | Electronic digital display indicator with data processing and wireless transmission functions | |
| CN106214026A (en) | Chopping board | |
| CN205994200U (en) | Intelligent spoon | |
| CN207098640U (en) | A kind of USB safe chargings monitoring for protection instrument | |
| CN104183067A (en) | Wireless calling system and control method | |
| CN110987297B (en) | High-pressure container bottle leakage monitoring device and monitoring system based on same | |
| CN201060143Y (en) | Leeb hardness test system | |
| CN209878089U (en) | Well lid sensor device based on thing communication of networking | |
| CN208902218U (en) | Oil level measuring device | |
| CN219869895U (en) | Externally-attached ultrasonic gas tank liquid level detection device | |
| CN216316913U (en) | Intelligent cup sleeve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |