CN213579474U - Multifunctional environment monitor - Google Patents
Multifunctional environment monitor Download PDFInfo
- Publication number
- CN213579474U CN213579474U CN202022455067.8U CN202022455067U CN213579474U CN 213579474 U CN213579474 U CN 213579474U CN 202022455067 U CN202022455067 U CN 202022455067U CN 213579474 U CN213579474 U CN 213579474U
- Authority
- CN
- China
- Prior art keywords
- temperature
- module
- main control
- electrically connected
- plug
- 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
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a multi-functional environment monitor, including host system, switching module and at least one response module, host system is provided with signal input part, and switching module includes at least one interface and at least one bayonet joint, and at least one interface set up on host system and with host system's signal input part electric connection, the bayonet joint set up on response module and with response module's output electric connection, the bayonet joint can be established and connect on the interface that corresponds. The utility model discloses a multi-functional environment monitor through setting up the switching module into the form of interface and bayonet joint, can make response module and host system realize stable mechanical connection in electric connection to only need simple plug to realize response module and host system's break-make through the mode of pegging graft, be convenient for install different response module on host system, realize different response module's installation and management.
Description
Technical Field
The utility model relates to a house electronic technology field, in particular to multi-functional environment monitor.
Background
The sensor is used for monitoring the working and living environments of people, and environment control is carried out according to corresponding monitoring results, so that people can obtain comfortable working and living environments. However, each position in the monitoring work and the living environment needs a plurality of sensors, and the sensors arranged at different positions need to be corresponding controllers adapted to different sensors due to different types of the sensors, so that the unified management is difficult to carry out, and the environment is not monitored by people conveniently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a multi-functional environment monitor, the person of facilitating the use monitors and manages the environment.
According to the utility model discloses multi-functional environment monitor, include: the main control module is provided with a signal input end; at least one sensing module; the switching module comprises at least one jack and at least one plug, wherein the at least one jack is arranged on the main control module and electrically connected with the signal input end of the main control module, the plug is arranged on the induction module and electrically connected with the output end of the induction module, and the plug can be connected to the corresponding jack in a plugging manner.
According to the utility model discloses multi-functional environment monitor has following beneficial effect at least: the main control module is provided with at least one plug-in interface, the plug-in interface is electrically connected with a signal input end of the main control module, the plurality of plug-in connectors are arranged on the corresponding induction modules and are also electrically connected with output ends of the induction modules, and the plug-in connectors and the plug-in interfaces are electrically connected in a plug-in mode. Through setting up the switching module into the form of interface and bayonet joint, can make response module and host system realize stable mechanical connection in electric connection to only need simple plug to realize response module and host system's break-make through the mode of pegging graft, be convenient for install different response module on host system, realize different response module's installation and control, thereby convenient to use person monitors and manages the environment.
According to some embodiments of the invention, the switching module comprises: the interface is an earphone interface or a USB interface.
According to the utility model discloses a some embodiments, response module is at least one of temperature sensor, humidity transducer, temperature and humidity sensor or the water spills and leaks the sensor.
According to some embodiments of the utility model, the head of excessive water leakage sensor one end for seting up first through-hole, be provided with the excessive sensing circuit of water in the head, the bayonet joint set up in the other end of the excessive water leakage sensor, and the excessive sensing circuit of water with bayonet joint electric connection.
According to the utility model discloses a some embodiments, temperature and humidity sensor's one end is the pole portion of seting up the second through-hole, be provided with temperature and humidity sensing circuit in the pole portion, the bayonet joint set up in temperature and humidity sensor's the other end, just temperature and humidity sensing circuit with bayonet joint electric connection.
According to the utility model discloses a some embodiments, pole portion is kept away from temperature and humidity induction circuit's one end is provided with the baffle.
According to the utility model discloses a some embodiments, temperature sensor's one end is for seting up the laminating portion of third through-hole, be provided with temperature-sensing circuit in the laminating portion, the bayonet joint set up in temperature sensor's the other end, just temperature-sensing circuit with bayonet joint electric connection.
According to some embodiments of the utility model, a side of laminating portion is provided with the arc relatively.
According to the utility model discloses a some embodiments still include power module, power module with host system can dismantle the connection, just power module does host system supplies power.
According to the utility model discloses a some embodiments, host system still is provided with wireless signal output, host system passes through wireless signal output electric connection has the host computer.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic block diagram of a multi-functional environmental monitor according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the multifunctional environment monitor according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a temperature and humidity sensor according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a temperature sensor according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a control unit according to an embodiment of the present invention;
fig. 6 is a schematic circuit diagram of an interface circuit according to an embodiment of the present invention;
fig. 7 is a schematic circuit diagram of a connector circuit according to an embodiment of the present invention;
fig. 8 is a schematic circuit diagram of a temperature and humidity sensing circuit according to an embodiment of the present invention;
fig. 9 is a schematic circuit diagram of a battery power supply unit and a USB power supply unit according to an embodiment of the present invention;
fig. 10 is a schematic circuit diagram of a memory cell according to an embodiment of the present invention;
reference numerals:
a main control module 100, a control unit 110, and a storage unit 120;
the adapter module 200, the plug 210, the plug circuit 211, the plug interface 220 and the plug interface circuit 221;
the water temperature and humidity sensor comprises a sensing module 300, a water overflow and leakage sensor 310, a head 311, a temperature and humidity sensor 320, a rod 321, a baffle 322, a temperature sensor 330, a fitting part 331, an arc-shaped plate 332, a temperature and humidity sensing circuit 340 and a temperature sensing circuit 350;
a power supply module 400, a battery power supply unit 410, a USB power supply unit 420;
and an upper computer 500.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, if there are first, second and third descriptions, they are only used for distinguishing technical features, but they are not interpreted as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, the multifunctional environment monitor according to the embodiment of the present invention includes a main control module 100, a switching module 200, and at least one sensing module 300.
The main control module 100 is provided with a signal input end, the adaptor module 200 includes at least one socket 220 and at least one plug 210, the at least one socket 220 is disposed on the main control module 100 and electrically connected to the signal input end of the main control module 100, the plug 210 is disposed on the sensor module 300 and electrically connected to the output end of the sensor module 300, and the plug 210 is connected to the corresponding socket 220 in a plug-in manner.
The main control module 100 is provided with at least one socket 220, the socket 220 is further electrically connected to a signal input terminal of the main control module 100, the plurality of plugs 210 are disposed on the corresponding sensing modules 300, the plugs 210 are further electrically connected to output terminals of the sensing modules 300, and the plugs 210 and the socket 220 are electrically connected in a plugging manner. Through setting up switching module 200 into the form of interface 220 and bayonet joint 210, can make response module 300 and host system 100 realize stable mechanical connection in electric connection simultaneously to only need simple plug to realize the break-make of response module 300 and host system 100 through the mode of pegging graft, be convenient for install different response module 300 on host system 100, realize the installation and the control of different response module 300, thereby convenient to use person monitors and manages the environment.
Further, in the embodiment of the present invention, the plug 210 and the socket 220 do not have a fixed corresponding relationship, and the plug 210 can be plugged with any one of the sockets 200.
In some embodiments of the present invention, the socket 220 is an earphone socket or a USB socket, and the earphone socket and the USB socket have high universality, low price, convenience for plugging and durability.
Further, when the jack 220 is a headphone jack, the plug 210 is a headphone jack. When the socket 220 is a USB socket, the plug 210 is a USB plug.
In some embodiments of the present invention, the sensing module 300 is at least one of a temperature sensor 330, a humidity sensor, a temperature and humidity sensor 320, or a water overflow and leakage sensor 310.
In a specific environment monitoring process, according to a specific monitoring requirement, at least one of the temperature sensor 330, the humidity sensor, the temperature and humidity sensor 320 or the water leakage sensor 310 can be electrically connected with the main control module 100 through the switching module 200, and the main control module 100 can control the at least one of the temperature sensor 330, the humidity sensor, the temperature and humidity sensor 320 or the water leakage sensor 310, so that the temperature and humidity, the water leakage and the like in the environment can be monitored.
Referring to fig. 2, in some embodiments of the present invention, one end of the water overflow and leakage sensor 310 is a head 311 with a first through hole, a water overflow sensing circuit is disposed in the head 311, the plug 210 is disposed at the other end of the water overflow and leakage sensor 310, and the water overflow sensing circuit is electrically connected to the plug 210.
The head 311 of the water overflow and leakage sensor 310 is provided with a first through hole, the water overflow and leakage sensing circuit comprises a first metal sheet and a second metal sheet (not shown in the figure), the first metal sheet and the second metal sheet are respectively arranged on two sides of the first through hole, the first sensing metal sheet and the second sensing metal sheet are electrically connected with the switching module 200 through a connecting wire, the head 311 of the water overflow and leakage sensor 310 is arranged at a water overflow and leakage monitoring point, when water leakage occurs at the water overflow and leakage detection point, the water leakage will enter the first through hole, so that the voltage between the first sensing metal sheet and the second sensing metal sheet on two sides of the first through hole is changed, the main control module 100 detects the voltage signal between the first sensing metal sheet and the second sensing metal sheet, and realizes the water overflow and leakage monitoring. The plug 210 is disposed at the other end of the water overflow and leakage sensor 310, so that the water overflow and leakage sensor 310 can be conveniently connected to the main control module 100. The plug 210 is electrically connected to the first sensing metal piece and the second sensing metal piece through a connection line, so that the distance between the main control module 100 and the first sensing metal piece and the distance between the main control module 100 and the second sensing metal piece can be increased, and the main control module 100 is prevented from being affected by water overflow.
It is contemplated that the water spill monitoring points may be toilets, drain lines, toilet tanks, air conditioning vents, and the like.
Referring to fig. 3, in some embodiments of the present invention, one end of the temperature and humidity sensor 320 is a rod portion 321 provided with the second through hole, the temperature and humidity sensing circuit 340 and the rod portion 321 are disposed in the ventilation duct in the rod portion 321, the end of the rod portion 321 away from the temperature and humidity sensing circuit 340 is provided with the baffle 322, the plug 210 is disposed at the other end of the temperature and humidity sensor 320, and the temperature and humidity sensing circuit 340 is electrically connected to the plug 210.
One end of the temperature and humidity sensor 320 is set to be the rod portion 321, the rod portion 321 is provided with a second through hole, and a temperature and humidity sensing circuit 340 is arranged in the rod portion 321. When the temperature and humidity sensor 320 is installed, a mounting hole can be formed in the side wall of the ventilation duct, the rod portion 321 provided with the temperature and humidity sensing circuit 340 is inserted into the ventilation duct, the temperature and humidity sensing circuit 340 can conveniently reach the central position of the ventilation duct, and air flow in the ventilation duct can enter the rod portion 321 through the second through hole, so that the temperature and humidity sensing circuit 340 can detect the temperature and humidity of the air flow. The baffle 322 may abut the outer wall of the ventilation duct, thereby preventing the rod 321 from falling into the ventilation duct. The plug 210 is disposed at the other end of the temperature/humidity sensor 320, so that the temperature/humidity sensor 320 is electrically connected to the main control module 100. Temperature and humidity sensing circuit 340 passes through connecting wire and bayonet joint 210 electric connection, multiplicable bayonet joint 210 and temperature and humidity sensing circuit 340's distance to increase host system 100 and temperature and humidity sensing circuit 340's distance, make host system 100 and temperature and humidity sensing circuit 340 be located the inside and outside both sides of air pipe respectively, be convenient for manage host system 100.
Referring to fig. 4, in some embodiments of the present invention, the sensing module 300 may be a temperature sensor 330, one end of the temperature sensor 330 is a joint portion 331 with a third through hole, the temperature sensing circuit 350 is disposed in the joint portion 331, and a side surface of the joint portion 331 is relatively provided with an arc plate 332. Temperature sensor 330 is used for installing and detects the temperature of water pipe on the water pipe outer wall, and when temperature sensor 330 installed in the water pipe outer wall, arc 332 and the water pipe outer wall phase-match on the laminating portion 331 increased water pipe and temperature sensor 330's area of contact, and the water pipe of being convenient for increased detection accuracy to temperature sensing circuit 350 transfer heat.
In some embodiments of the present invention, the multifunctional environment monitor further comprises a power module 400, the power module 400 is detachably connected to the main control module 100, and the power module 400 supplies power to the main control module 100.
Through the mode that can dismantle the connection, be convenient for change the power to host system 100, the utility model discloses a multi-functional environment monitor can separately deposit power module 400 and host system 100 in storage and transportation, avoids power module 400 and host system 100 to link together and leads to the power loss.
Further, the main control module 100 can be provided with a buckle, and the power module 400 can be provided with a clamping groove, so that the main control module 100 and the power module 400 can be detachably connected in a clamping manner.
In some embodiments of the present invention, the power module 400 may include a battery power supply unit 410 and/or a USB power supply unit 420, and the battery power supply unit 410 and/or the USB power supply unit 420 are electrically connected to the main control module 100.
Referring to fig. 1, in some embodiments of the present invention, the main control module 100 is further provided with a wireless signal output end, and the main control module 100 is electrically connected to the upper computer 500 through the wireless signal output end.
The wireless signal output end is arranged on the main control module 100 to communicate with the upper computer 500, so that the main control module 100 can send collected state data of the induction module 300 to the upper computer 500 through the wireless signal output end, the upper computer 500 can calculate the specific state of the induction module 300 according to an algorithm and send out corresponding early warning, the state data of different induction modules 300 are sent to the same upper computer 500, the same upper computer 500 can monitor and manage different induction modules 300, and efficient environment early warning monitoring is achieved.
It is contemplated that the upper computer 500 may be a remote server or a mobile terminal, and the mobile terminal may be a mobile phone, a tablet computer, etc.
In some embodiments of the present invention, a storage unit 120 is disposed in the main control module 100.
By arranging the storage unit 120 in the main control module 100, the state data of the sensing module 300 collected by the main control module 100 can be stored in the storage unit 120, thereby preventing data loss caused by power failure, circuit failure and other problems.
The circuit of the multifunctional temperature monitor according to the embodiment of the present invention is described in a specific embodiment, and it should be understood that the following description is illustrative, and not restrictive.
Referring to fig. 9, the power module 400 includes a battery power supply unit 410 and a USB power supply unit 420: the battery power supply unit 410 comprises a battery BAT and a capacitor C10, the capacitor C10 is connected with the battery BAT in parallel, the negative electrode of the battery BAT is grounded, and the positive electrode outputs a first voltage V-BAT; the USB power supply unit 420 includes a USB plug J3, a regulator U3, a transient suppression diode D2, a capacitor C8, and a capacitor C9, the USB plug is electrically connected to a voltage input terminal VIN of the regulator U3 through the transient suppression diode D2 and the capacitor C8, and a voltage output terminal VOUT of the regulator U3 outputs a first voltage V-BAT through a capacitor C9.
Referring to fig. 5, a control unit 110 is disposed inside the main control module 100, the control unit 110 includes a control chip U1, a field effect transistor Q1, a resistor R2, a resistor R3, and a capacitor C2, a capacitor C3, a capacitor C5, a capacitor C6, an inductor L1, and an antenna E1, wherein a Sensor voltage control terminal Sensor-Ctrl of the control chip U1 is connected to a control terminal of the fet Q1 through a capacitor C2 and a resistor R2, an input terminal of the fet Q1 is connected to the first voltage V-BAT, the resistor R3 is electrically connected between the control terminal and an input terminal of the fet Q1, an output terminal of the fet Q1 outputs a second voltage Vsensor through a capacitor C3, a wireless signal output terminal of the control chip U1 is electrically connected to the antenna E1 through a capacitor C5, a capacitor C6, and an inductor L1, the antenna E1 is a wireless signal output terminal of the main control module 100, and a signal input terminal of the main control chip U1 includes a data signal terminal and a control signal terminal SDA.
Referring to fig. 6 and 7, the adaptor module 200 includes a socket 220 and a plug 210, the socket 220 is disposed at one end of the main control module 100, and a socket circuit 221 is disposed in the socket 220, the socket circuit 221 includes an earphone socket J1, a resistor R4 and a resistor R5, a voltage terminal C of the earphone socket J1 is electrically connected to the second voltage Vsensor, a first terminal of the resistor R4 is electrically connected to the second voltage Vsensor, a second terminal of the resistor R4 is electrically connected to a signal transmission terminal D of the earphone socket J1, a first terminal of the resistor R5 is electrically connected to the second voltage Vsensor, a second terminal of the resistor R5 is electrically connected to a signal transmission terminal a of the earphone socket J1, a signal transmission terminal a of the earphone socket J1 is also electrically connected to a data signal terminal SCL of the control chip U1, and a signal transmission terminal D of the earphone J1 is also electrically connected to a control signal terminal SCL of the control chip U1. The plug 210 is disposed at the other end of the temperature and humidity sensor 320, and a plug circuit 211 is disposed in the plug 210, the plug circuit 211 includes an earphone plug J2, a voltage terminal TP1 of the earphone plug J2 is electrically connected to a voltage terminal C of the earphone socket J1, a signal transmission terminal TP2 of the earphone plug J2 is electrically connected to a data signal terminal a of the earphone socket J1, and a signal transmission terminal TP3 of the earphone plug J2 is electrically connected to a data signal terminal D of the earphone socket J1.
A rod 321 of the temperature and humidity sensor 320 is provided with a temperature and humidity sensing circuit 340, as shown in fig. 8, the temperature and humidity sensing circuit 340 includes a temperature and humidity sensor U2, a capacitor C7 and a transient suppression diode D1, a power supply terminal VDD and a reset terminal nrest of the temperature and humidity sensor U2 are both electrically connected to a voltage terminal TP1 of the headset plug J2 through the capacitor C7, a data signal terminal SDA and a control signal terminal SCL of the temperature and humidity sensor U2 are respectively electrically connected to a signal transmission terminal TP2 and a signal transmission terminal TP3 of the plug J2, and the transient suppression diode D1 is electrically connected between the voltage terminal TP1, the signal transmission terminal TP2, the signal transmission terminal TP3 of the headset plug J2 and the ground.
Referring to fig. 10, the main control module 100 is further provided with a storage unit 120, the storage unit 120 includes a flash memory chip U4 and a flash memory chip U5, a control terminal CS of the flash memory chip U4 and a control terminal CS of the flash memory chip U5 are both electrically connected to a control terminal of the control chip U1, an output terminal SO of the flash memory chip U4 and an output terminal SO of the flash memory chip U5 are both electrically connected to a data receiving terminal ZW-MISO of the control chip U1, an input terminal SI of the flash memory chip U4 and an input terminal SI of the flash memory chip U5 are both electrically connected to a data output terminal ZW-MOSI of the control chip U1, and a clock signal terminal SCK of the flash memory chip U4 and a clock signal terminal SCK of the flash memory chip U5 are both electrically connected to a clock signal terminal ZW-SCK of the control chip U685.
It should be noted that in this embodiment, the control chip U1 is of a model of ZM5202, the temperature and humidity sensor is of a model of STH30-DIS, the flash memory chip U4 is of a model of M25PE20, and the flash memory chip U5 is of a model of AT45DB 021E-SSHN.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. A multi-functional environmental monitor, comprising:
the main control module is provided with a signal input end;
at least one sensing module;
the switching module comprises at least one jack and at least one plug, wherein the at least one jack is arranged on the main control module and electrically connected with the signal input end of the main control module, the plug is arranged on the induction module and electrically connected with the output end of the induction module, and the plug can be connected to the corresponding jack in a plugging manner.
2. The multifunctional environment monitor of claim 1, wherein: the interface is an earphone interface or a USB interface.
3. The multifunctional environment monitor of claim 1, wherein: the sensing module is at least one of a temperature sensor, a humidity sensor, a temperature and humidity sensor or a water overflow and leakage sensor.
4. The multifunctional environment monitor of claim 3, wherein: the water overflow and leakage sensor comprises a water overflow and leakage sensor, a water overflow sensing circuit is arranged in the head, a plug connector is arranged at the other end of the water overflow and leakage sensor, and the water overflow sensing circuit is electrically connected with the plug connector.
5. The multifunctional environment monitor of claim 3, wherein: one end of the temperature and humidity sensor is a rod part provided with a second through hole, a temperature and humidity sensing circuit is arranged in the rod part, the plug connector is arranged at the other end of the temperature and humidity sensor, and the temperature and humidity sensing circuit is electrically connected with the plug connector.
6. The multifunctional environment monitor of claim 5, wherein: and a baffle is arranged at one end of the rod part, which is far away from the temperature and humidity sensing circuit.
7. The multifunctional environment monitor of claim 3, wherein: one end of the temperature sensor is a joint part provided with a third through hole, a temperature sensing circuit is arranged in the joint part, the plug connector is arranged at the other end of the temperature sensor, and the temperature sensing circuit is electrically connected with the plug connector.
8. The multifunctional environment monitor of claim 7, wherein: one side of the attaching part is oppositely provided with an arc-shaped plate.
9. The multifunctional environment monitor of claim 1, wherein: the power supply module is detachably connected with the main control module and supplies power to the main control module.
10. The multifunctional environment monitor of claim 1, wherein: the main control module is also provided with a wireless signal output end, and the main control module is electrically connected with an upper computer through the wireless signal output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022455067.8U CN213579474U (en) | 2020-10-29 | 2020-10-29 | Multifunctional environment monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022455067.8U CN213579474U (en) | 2020-10-29 | 2020-10-29 | Multifunctional environment monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213579474U true CN213579474U (en) | 2021-06-29 |
Family
ID=76531799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022455067.8U Active CN213579474U (en) | 2020-10-29 | 2020-10-29 | Multifunctional environment monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213579474U (en) |
-
2020
- 2020-10-29 CN CN202022455067.8U patent/CN213579474U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11152807B2 (en) | Method for selecting a supply source power | |
| CN213579474U (en) | Multifunctional environment monitor | |
| CN206574958U (en) | Intelligent power docking socket with positioning function | |
| CN203644199U (en) | General type Internet of Things data acquisition terminal | |
| CN210038763U (en) | USB equipment plug detection circuit under operating system off-line state | |
| CN209766595U (en) | overlength standby device | |
| CN210573325U (en) | STM 32-based multifunctional environment monitoring system | |
| CN204515995U (en) | water immersion alarm | |
| CN216012473U (en) | Light sensing device with automatic detection terminal | |
| CN211859067U (en) | Socket and air conditioning system | |
| CN210069534U (en) | Fluorescent tube with external radar sensing device | |
| CN210665994U (en) | USB interface load detection device, system and USB connecting device | |
| CN112706653A (en) | AC charging CC signal detection circuit with awakening function | |
| CN206806636U (en) | A kind of intellectual monitoring power distribution unit | |
| CN217718510U (en) | Commercial power temperature control panel that communication module is configurable | |
| CN210719268U (en) | Electric power and environmental condition monitoring device | |
| CN218586459U (en) | USB interface adapter | |
| CN220569085U (en) | Circuit and system for connecting control host with acquisition bus | |
| CN110109792A (en) | USB device plug-pull detecting circuit under a kind of operating system off-line state | |
| CN219161502U (en) | Indoor temperature monitoring equipment and system | |
| CN209748547U (en) | Multi-channel communication control circuit | |
| CN219417769U (en) | Material detecting system of contact type power supply communication | |
| CN218633324U (en) | Adapter plate and electronic equipment | |
| CN213780339U (en) | Broken string detection circuitry and treasured that charges of polymorphic type charging wire | |
| CN214256153U (en) | Power adapter with auxiliary power supply circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |