57results about How to "Prevent misconnection" patented technology

A portable device maintenance support apparatus includes one set of terminals configured to connect to a hybrid communication network performed based on any one of a plurality of protocols, by a compound signal in which an analog signal is superimposed with a digital signal including at least device information, the hybrid communication network being performed between the portable device maintenance support apparatus and a field device, the one set of terminals being common to the plurality of protocols.

The present invention relates to a dry vacuum pump unit capable of achieving ultimate pressure of about 1 Pa. The vacuum pump unit includes a main pump (15) disposed at an outside-pressure side, and a booster pump (16) disposed at a vacuum side. The booster pump (16) and the main pump (15) are coupled in series. The booster pump (16) has a higher pumping speed than that of the main pump (15). Each of the main pump (15) and the booster pump (16) includes a pair of pump rotors (52a and 52b), a casing (50) having an inlet port and an outlet port, and a pair of magnet rotors (54 and 54) rotatable with the pair of pump rotors.

The invention provides a method, a device and a system for securely transmitting data. The method comprises the following steps: identifying a two-dimensional code provided by a first terminal; decrypting an encrypted check field according to a preset decryption key, and determining a check code and a transmission identifier; when the check field is correct, sending a second data transmission request to a server according to a server address and a port number, wherein the second data transmission request includes a local flag and the check field encrypted according to the decryption key; and receiving an encryption protocol issued by the server after the validity of the second data transmission request is verified, and transmitting data to the server according to the encryption protocol. The method only needs to identify the two-dimensional code, and is easy to operate. Moreover, a user name and a password do not need to be input, and the operation process is safe, so that the problemof leakage of the user name and password is solved. Moreover, no information is transmitted to the server before correct identification of the check field in the two-dimensional code, thereby effectively preventing the second terminal from connecting an illegal server by mistake and avoiding information leakage.

The invention provides a multi-pole connector which can correspond with multiple poles of an interface and realizes space saving of an interface part. Furthermore the multi-pole connector can correspond with a multilayer configuration in which a plurality of conductor connecting parts are configured on a mounting substrate in a vertical direction. The multi-pole connector is provided with a plurality of divided connectors (7,8) which are obtained through respectively holding conductors (2,3) on divided housings (5,6) that are divided from the housing (4) and have different shapes. A joint end surface part of one divided housing (5) in the divided housings (5,6) which are adjacent with each other is provided with a key embedding part (16) for insertion of a connecting key (15). Through embedding the connecting key (15) into the key embedding part (16), the connecting key (15) is clamped between the joint end surface parts in a manner of bestriding the joint end surface parts, thereby joining the two divided housings (5,6), thereby connecting the divided connectors (7,8) which are adjacent with each other.

In a component mounting system, a portable operation terminal is wirelessly connectable to mounting machines. The portable operation terminal includes: a processing portion which displays a screen allowing a worker to select one of the mounting machines to be connected to the portable operation terminal; and a terminal-side connection processing portion which issues a connection request to the selected mounting machine and which connects the portable operation terminal to the mounting machine upon reception of an acknowledgement from the mounting machine. The mounting machine includes: an equipment-side connection processing portion which connects the mounting machine to the portable operation terminal in response to the connection request, and a notification unit which notifies the worker of the fact that the mounting machine has been connected to the portable operation terminal, directly by at least one of sound and light.

The invention relates to an intelligent entrance guard control system and an intelligent entrance guard control method. The intelligent entrance guard control system comprises a ranging signal source, a Bluetooth module and a mobile phone, as well as a data transceiver module, an entrance guard control module and an access machinery device which are sequentially connected with one another, wherein the Bluetooth module is connected with the data transceiver module; and the ranging signal source and the Bluetooth module are wirelessly connected with the mobile phone respectively. According to the invention, a manner of opening a door by approaching to the entrance guard, similar to the traditional entrance guard card manner, is realized by using the mobile phone, the operation is simple and rapid, ranging is performed by utilizing the ranging signal source, the Bluetooth module of the entrance guard system is scanned by the mobile phone only when a user reaches a certain specified area, the condition that other users cannot be connected due to long-distance error connection is avoided, and the condition that the users are wrongly connected due to extremely long Bluetooth communication distance can be avoided. A door opening instruction is immediately transmitted to the entrance guard control module after the Bluetooth module is successfully connected, so that time consumed by complicated operations is shortened, and the actual application requirements can be well met.

The present invention relates to a dry vacuum pump unit capable of achieving ultimate pressure of about 1 Pa. The vacuum pump unit includes a main pump (15) disposed at an outside-pressure side, and a booster pump (16) disposed at a vacuum side. The booster pump (16) and the main pump (15) are coupled in series. The booster pump (16) has a higher pumping speed than that of the main pump (15). Each of the main pump (15) and the booster pump (16) includes a pair of pump rotors (52a and 52b), a casing (50) having an inlet port and an outlet port, and a pair of magnet rotors (54 and 54) rotatable with the pair of pump rotors.

The invention discloses a method for preventing wrong connection with a WIFI network based on big data, a system for preventing wrong connection with the WIFI network based on the big data, a terminal and a server. The method for preventing wrong connection with the WIFI network based on the big data comprises following steps: obtaining first connection attribute information of a target WIFI network; sending the first connection attribute information to the server connected with the terminal so that the server searches whether the target WIFI network is in the WIFI network blacklist of the server according to the first connection attribute information; receiving a first search result from the server; and determining whether to connect with the target WIFI network according to the first search result. Through the technical solution of the invention, the probability that a user wrongly connects with the false and malicious WIFI network is reduced fundamentally; compared with the prior art, the security and the reliability of the WIFI network are improved; the application difficulty is reduced; and the user experience is promoted.

The method comprises: 1) sequentially generating the temporary user ID 'H-RNTI-TEMP'; 2) using the forward error correction coding to encode the temporary subscriber ID 'H-RNTI-TEMP' in order to generate the user ID 'H-RNTI'. The invention can avoid the error receiving of HS-SCCH in the HSDPA system.

The invention provides a pot and stove binding method and device and a cooking system, and the method comprises the steps: obtaining a first identity and a second identity of a pot; and if the first identity identifier is matched with the second identity identifier, binding the cookware and the stove. By means of the pot and stove binding method and device, the technical problem that in the related art, a pot and a stove are prone to being bound mistakenly is solved, mistaken connection between the pot and the stove is avoided, and efficient and automatic binding between the pot and the stoveis achieved.

The invention relates to a circuit decoupler which does not thicken a decoupler casing and can improve the function of a load side terminal. In the circuit decoupler (1) used in a single phase three-wire type circuit, an operating lever (3) which switches on and off the circuit is arranged on a thin box shaped decoupler casing (2). Three load side terminals (4) and power supply side terminals (5) are respectively arranged along the up-down direction on the front and the back of the decoupler casing (2). A terminal opening (7) which is used for connecting an electrical wire (9) with a quick terminal joint of the load side terminals (4) is arranged on the front of the decoupler casing (2). A confirming window (11) which is used for confirming the connection state of the electrical wire (9) is formed at the upper side of the terminal opening (7). A plug-in opening (12) which is sued for the electric connection of a measuring terminal of a measuring apparatus and the quick terminal joint is arranged at the lower side of the terminal opening (7). A display mechanism is arranged in the decoupler casing (2) at the back of the confirming window (11).

The invention relates to a dual-polarline resectoscope and solves problems of positive-negative joints mis-insertion, poor sealing effect and inconvenient assembling and detachment of a resectoscope in the prior art. The resectoscope comprises an external sheath, an internal sheath, an operator, an endoscope and an electrode main body, wherein a main body sealing sleeve covers the endoscope and the electrode man body; the main body sealing sleeve is connected into an internal sheath back end connection port in a sealed way; the main body sealing sleeve is provided with an endoscope hole and an electrode hole; an electrode sealing sleeve is further embedded into the inner wall of the back end of the electrode hole; the back end of the electrode sealing sleeve is provided with a sealing wrapping head; and a dual-polar socket and a dual-polarline cooperated with dual-polar socket are arranged on the operator. The wrapping head can movably and tightly wrap up the outer wall of an electrode main body during the movement of the electrode main body, so water leakage can be prevented and sealing effect can be further improved; by the use of the dual-polarline, connection of positive wires and negative wires can be unnecessary, so a structure is simplified and operator work can be facilitated; and wrong connection can be also prevented.

The invention provides an interaction method between Bluetooth devices, an interaction device between the Bluetooth devices, a computer readable storage medium and an electronic device, and relates tothe technical field of Bluetooth communication. The interaction method between the Bluetooth devices comprises the steps: enabling a Bluetooth slave device to receive a scanning request message sentby a Bluetooth master device, extracting identification information of the Bluetooth master device from the scanning request message; when it is determined that the identification information of the Bluetooth master device is matched with the identification information of one bound device in the bound device set, determining that the Bluetooth master device is matched with the bound device; sending a response message to the Bluetooth master device, enabling the Bluetooth master device to display the information of the Bluetooth slave device based on the response message, establishing the connection between the Bluetooth master device and the Bluetooth slave device, and enabling the Bluetooth slave device to respond to the login message sent by the Bluetooth master device, and feeding backthe information of the bound device to the Bluetooth master device so as to facilitate management on the Bluetooth master device. According to the invention, the bound device of the Bluetooth slave device can be managed.

The invention provides a liquid crystal display panel. The liquid crystal display panel comprises an array substrate, a color filter substrate and a liquid crystal layer arranged between the array substrate and the color filter substrate; the array substrate comprises display area wires, pixel electrodes, a first common electrode and non-display-area wires; the color filter substrate comprises a second common electrode and an isolation electrode, and the second common electrode and the isolation electrode are insulated from each other. The invention further provides a liquid crystal display device. By means of arrangement of the isolation electrode, the liquid crystal display panel and the liquid crystal display device have the advantages that misconnection between the display area wires of the array substrate and the second common electrode of the color filter substrate can be avoided effectively, and the display quality of the liquid crystal display panel is improved.

The present invention relates to a dry vacuum pump unit capable of achieving ultimate pressure of about 1 Pa. The vacuum pump unit includes a main pump (15) disposed at an outside-pressure side, and a booster pump (16) disposed at a vacuum side. The booster pump (16) and the main pump (15) are coupled in series. The booster pump (16) has a higher pumping speed than that of the main pump (15). Each of the main pump (15) and the booster pump (16) includes a pair of pump rotors (52a and 52b), a casing (50) having an inlet port and an outlet port, and a pair of magnet rotors (54 and 54) rotatable with the pair of pump rotors.

A switch node provided with a switch, an input interface and an output interface. The input interface is adapted to couple to a first communication link to receive a first TDM frame having a user payload field containing a first user data from the first communication link, and a frame overhead field containing a first identification. The input interface is configured to validate the first identification in the frame overhead field and reject the first TDM frame responsive to the first identification being invalid, and to forward the first user data to the switch responsive to the first identification being valid. The output interface is adapted to couple to a second communication link. The output interface is configured to receive the first user data from the switch, and to generate a second TDM frame having a second user payload field containing the first user data, and a second frame overhead field containing a second identification that is different from the first identification. The output interface is also configured to transmit the second TDM frame onto the second communication link.

The invention discloses a safety resistor with a temperature control function. The safety resistor comprises a safety resistor body and a temperature control mechanism, the safety resistor body comprises a metal shell, the inlet end of the metal shell is connected with a contact wire, the contact wire is sleeved with a ceramic bushing, a telescopic spring is mounted on each of two sides of the front end of the bushing, the bottoms of the telescopic springs are spirally embedded into ceramic, the other end of the telescopic spring is connected with a conductive gasket, the back of the conductive gasket is tightly stuck to the top of the contact wire, a contact electrode is attached to the front end of the conductive gasket, a barrel-shaped spring is stuck to the back of the contact electrode, the temperature control mechanism comprises a temperature sensing body, one side of the temperature sensing body is attached to the barrel-shaped spring, the other side of the temperature sensing body is stuck with an output electrode, a digital temperature sensor is stuck to the upper surface of the temperature sensing body, and the output end of the digital temperature sensor is connected with a patch type singlechip. The safety resistor can increase temperature control, freely set the power-off temperature and restore after cooling, and has high control precision.

The invention provides a device connection method, a system, a corresponding terminal equipment and a networking method. The device connection method comprises the steps that a second device broadcasts network access information, and the network access information is used for a first device to access a network; the first device receives the network access information; and based on the network access information, the first device accesses the network. The network access information is broadcasted to the device to be networked, so that the device can automatically complete network access based on the access information, manual networking operation is avoided, and network distribution efficiency and user friendliness are improved.

The invention belongs to the technical field of a railway lorry pneumatic control system, and particularly relates to a coal hopper car whole group unloading control system. An air storage cylinder communicates with an exhaust plug door I through an air storage cylinder branch pipe; the exhaust plug door I communicates with an action valve; the action valve communicates with a check value; the check valve communicates with a three-way joint; the three-way joint is respectively connected with an exhaust plug door II through a control pipe and a main air inlet pipe through an air inlet branch pipe; the exhaust plug door II communicates with the action valve; a combined cut-off plug door is arranged between the air inlet branch pipe and the main air inlet pipe; the main air inlet pipe communicates with a left rotating folding angle plug door; the left rotating folding angle plug door communicates with an air source. The coal hopper car whole group unloading control system has the advantages that the requirement of bottom door opening and closing of whole car marshalling unloading of the coal hopper car is met; the car unloading efficiency is improved; the operation personnel are reduced; meanwhile, the injury on personnel due to unloading dust can be avoided.

The invention relates to a circuit breaker of which an unthickened breaker shell can improve the function of load side terminals. In the circuit breaker (1) used in a single-phase three-wire circuit, an operating rod (3) for switching on or off the circuit is arranged on the upper surface of a thin box breaker shell (2); three load side terminals (4) and three power side terminals (5) are respectively arranged on the front surface and the back surface of the breaker shell (2) in the vertical direction; the front surface of the breaker shell (2) is provided with a terminal port (7) for connecting an electric wire (9) with quick-connect terminal joints of the load side terminals (4); the upper side of the terminal port (7) is provided with a confirmation window (11) for confirming the connecting state of the electric wire (9), and the lower side of the terminal port (7) is provided with an inserting port (12) for electrically connecting a measuring terminal of a measuring instrument with the quick-connect terminal joints; and a display mechanism is arranged behind the confirmation window (11) and in the breaker shell (2).

A vehicle control device for controlling a vehicle having a drive source and an automatic transmission connected to the drive source and having a power transmission mechanism having a forward coupling element, the vehicle control device having : The first control unit executes the driving source stop control during running to stop the driving source and set the automatic transmission in a neutral state when the driving source stop condition is satisfied while the driving source is stopped; the second control unit , after the driving source stop canceling condition is satisfied during running, the forward coupling element is coupled based on the input and output rotational speeds of the power transmission mechanism.

A medical device connector includes a fluid transfer tip including a tapered surface for creating a friction fitting between the fluid transfer tip and a hub. A separable collar includes a first and second arcuate segments. The second segment includes an engagement feature for engaging with a corresponding engagement feature of a hub. A moveable disconnection member is arranged such that movement of the disconnection member moves the second segment of the separable collar from a first closed collar configuration position, to a second position, corresponding to an open collar configuration, in which the second segment is moved relative to the fluid transfer tip and the first segment, so as to allow disengagement of the engagement feature from the corresponding engagement feature. Movement of the disconnection member also releases the friction fitting between the fluid transfer tip and the hub.

The present invention realizes an ion generation device that can suppress any decrease in the ion generation amount, and that can be made smaller. The ion generation device is provided with: a discharge electrode (1) that generates positive ions; a discharge electrode (2) that generates negative ions; a transformer (13) that outputs AC high voltage; a diode (D1) that rectifies the high voltage andapplies the rectified voltage to the discharge electrode (1); and a diode (2) that rectifies the high voltage and applies the rectified voltage to the discharge electrode (2). The output end of the transformer (13), and the diode (D1) and the diode (D2) are connected on a high voltage circuit board (14) by a conductor such as a wiring pattern (14a) or a soldering pattern (14b). The conductor is formed in a region for which the strength of the electric field formed by the discharge electrode (1) and the electric field formed by the discharge electrode (2) is not reduced.