CN219695856U - Integrated wireless limit switch device - Google Patents
Integrated wireless limit switch device Download PDFInfo
- Publication number
- CN219695856U CN219695856U CN202320592962.5U CN202320592962U CN219695856U CN 219695856 U CN219695856 U CN 219695856U CN 202320592962 U CN202320592962 U CN 202320592962U CN 219695856 U CN219695856 U CN 219695856U
- Authority
- CN
- China
- Prior art keywords
- limit switch
- control chip
- wireless communication
- discharge control
- switch device
- 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.)
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Links
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000005070 sampling Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 10
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The utility model provides an integrated wireless limit switch device, includes that limit switch subassembly and wireless communication host computer can dismantle the connection, and wireless communication host computer includes casing and lower casing, is equipped with signal processing mainboard in the lower casing, and signal processing mainboard is connected with antenna and rechargeable battery, and the antenna setting is on lower casing outer wall. The trigger action of the assembly at the installation position is perceived through the limit switch assembly and is transmitted to the signal processing main board, the signal processing main board converts signals into wireless communication signals to communicate with a remote place, long cables can be not required to be laid, remote mechanical position information can be monitored, meanwhile, the limit switch assembly is detachably connected with a wireless communication host, the limit switch assembly can be independently installed when an installation control is narrow, and then the wireless communication host is connected with the cable, so that the wireless communication host is suitable for remote monitoring application with limited installation positions.
Description
Technical Field
The utility model relates to the technical field of travel limit switches, in particular to an integrated wireless limit switch device.
Background
The limit switch is also called a position switch, and is a commonly used small-current master control electrical appliance. In actual production, the limit switch is arranged at a prearranged position, and when a module arranged on a production mechanical moving part impacts the limit switch, the contact of the limit switch acts to realize the switching of a circuit. Therefore, the limit switch is an electric appliance which switches a circuit according to the stroke position of the moving part, and its function principle is similar to a push button. The limit switch is widely used for various machine tools and hoisting machines and is used for controlling the stroke and carrying out terminal limit protection.
At present, most limit switches are installed and then connected with a control system through a field bus, and because the installation positions of all the limit switches are different, the working amount of the cable laying is large and the cost is high. Some wireless limit switches, such as a wireless limit switch sensor described in chinese patent document CN 209767748U, are also appeared on the market, and the signal receiver identifies the transmitted wireless signal through the coding information of the signal transmitting circuit transmitting device, and this wireless communication mode is similar to the working principle of the remote controller, and if multiple limit switches trigger wireless signals simultaneously, the accuracy of data is reduced due to the mutual influence, and meanwhile, when the installation control is narrow, the wireless device and the probe rod cannot be installed together, and the device cannot meet the use requirement of such working condition.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an integrated wireless limit switch device for realizing the wireless transmission of switching value signals of a limit switch.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides an integrated wireless limit switch device, includes that limit switch subassembly and wireless communication host computer can dismantle the connection, and wireless communication host computer includes casing and lower casing, is equipped with signal processing mainboard in the lower casing, and signal processing mainboard is connected with antenna and rechargeable battery, and the antenna setting is on lower casing outer wall.
And a charging interface is further arranged on the outer wall of the lower shell and is electrically connected with the signal processing main board and the rechargeable battery.
The signal processing main board is provided with a controller, the input end of the controller is electrically connected with the limit switch assembly, the controller is in communication connection with the wireless transmission chip, and the wireless transmission chip is electrically connected with the antenna.
The controller is connected with a charge-discharge control circuit, and the charge-discharge control circuit is electrically connected with the rechargeable battery.
The charge-discharge control circuit includes a charging circuit: the charging control circuit comprises a charging control chip U, wherein the control INPUT end of the charging control chip U is controlled by a charging control signal Charge1 of a controller, a power end INPUT of the charging control chip U7 is connected with a constant current source, the output end of the charging control chip U7 is electrically connected with the anode of a rechargeable battery, two ends of the rechargeable battery are connected with resistors R14 and R15, a voltage sampling signal sample3 is connected between the resistors R14 and R15, and a signal current output end sample1 of the charging control chip U7 transmits data to the controller after passing through a charging current sampling circuit.
The charge-discharge control circuit includes a discharge circuit: the device comprises a Discharge control chip U6, wherein the control input end of the Discharge control chip U6 is controlled by a Discharge control signal Discharge1 of the controller, the power end of the Discharge control chip U6 is electrically connected with the anode of the rechargeable battery, the output end of the Discharge control chip U6 is electrically connected with a Discharge resistor R12, and a signal current output end sample2 of the Discharge control chip U6 sends data to the controller (41) after passing through a Discharge current sampling circuit.
The Charge control signal Charge1 and the Discharge control signal Discharge1 are respectively electrically connected with the input ends of the optocouplers U3 and U4, and the output ends of the optocouplers U3 and U4 are respectively electrically connected with the input ends of the Charge control chip U7 and the Discharge control chip U6.
The wireless communication host is connected with the limit switch assembly through the input interface.
The lower shell is connected with the mounting base.
The integrated wireless limit switch device provided by the utility model has the following beneficial effects:
1. when the wireless limit switch device cannot be integrally installed in a narrow installation space, the limit switch can be detached from the installation base for independent installation, and the limit switch is connected with the wireless communication host by a section of cable;
2. the wireless communication host adopts a cast aluminum shell, a wireless antenna interface, a DC charging interface and a signal input interface are reserved, rubber ring seals are added at all interfaces, and the waterproof and dustproof grades of the wireless communication host are improved;
3. when the wireless communication host collects the limit switch signals, an edge triggering interrupt mode is adopted, namely, the moment that the limit switch is triggered or released can be independently triggered, so that the wireless communication host is promoted to send wireless signals outwards, and the instantaneity of acquiring data by the upper monitoring system is improved;
4. the wireless communication event may wake up the wireless communication host in the sleep mode.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an electrical schematic diagram of a signal processing motherboard;
FIG. 3 is a schematic diagram of a charge-discharge control circuit;
fig. 4 is a flowchart of a wireless communication host according to the present utility model.
In the figure: the device comprises an upper shell 1, a limit switch assembly 2, a mounting base 3, a signal processing main board 4, a controller 41, a wireless transmission chip 42, a rechargeable battery 5, an antenna 6, a charging interface 7, a lower shell 8, an input interface 9, optocouplers U3 and U4, a charging control chip U7 and a discharging control chip U6.
Detailed Description
As shown in fig. 1-4, an integrated wireless limit switch device comprises a limit switch assembly 2 detachably connected with a wireless communication host, wherein the wireless communication host comprises an upper shell 1 and a lower shell 8, a signal processing main board 4 is arranged in the lower shell 8, the signal processing main board 4 is connected with an antenna 6 and a rechargeable battery 5, and the antenna 6 is arranged on the outer wall of the lower shell 8.
Through the trigger action of limit switch subassembly 2 perception installation department subassembly to convey to signal processing mainboard 4, signal processing mainboard 4 is converted wireless communication signal and is communicated with the distance, can accomplish the mechanical position information that monitors the distance without need to lay very long cable, and limit switch subassembly 2 is connected with wireless communication host computer's dismantlement simultaneously, can install limit switch subassembly 2 alone when the installation control piece is narrow and small, then is connected with wireless communication host computer through the cable, is applicable to the limited remote monitoring application in mounted position.
The outer wall of the lower shell 8 is also provided with a charging interface 7, and the charging interface 7 is electrically connected with the signal processing main board 4 and the rechargeable battery 5.
The signal processing main board 4 is provided with a controller 41, an input end of the controller 41 is electrically connected with the limit switch assembly 2, the controller 41 is in communication connection with a wireless transmission chip 42, and the wireless transmission chip 42 is electrically connected with the antenna 6.
The controller 41 is connected to a charge/discharge control circuit, and the charge/discharge control circuit is electrically connected to the rechargeable battery 5.
The charge-discharge control circuit includes a charging circuit: including charging control chip U7, the control INPUT of charging control chip U7 is controlled by the Charge control signal Charge1 of controller 41, and charging control chip U7's power end INPUT connects the constant current source, and charging control chip U7's output is connected with rechargeable battery 5's anodal electricity, and rechargeable battery 5 both ends are connected with resistance R14 and R15, have connect voltage sampling signal sample3 between resistance R14 and the R15, and charging control chip U7's signal current output sample1 is after charging current sampling circuit with data transmission to controller 41.
The charge-discharge control circuit includes a discharge circuit: the device comprises a Discharge control chip U6, wherein the control input end of the Discharge control chip U6 is controlled by a Discharge control signal Discharge1 of the controller 41, the power end of the Discharge control chip U6 is electrically connected with the anode of the rechargeable battery 5, the output end of the Discharge control chip U6 is electrically connected with a Discharge resistor R12, and a signal current output end sample2 of the Discharge control chip U6 sends data to the controller 41 after passing through a Discharge current sampling circuit.
The Charge control signal Charge1 and the Discharge control signal Discharge1 are respectively electrically connected with the input ends of the optocouplers U3 and U4, and the output ends of the optocouplers U3 and U4 are respectively electrically connected with the input ends of the Charge control chip U7 and the Discharge control chip U6.
The wireless communication host is connected with the limit switch assembly 2 through the input interface 9.
The lower case 8 is connected to the mounting base 3.
As shown in fig. 4, after the wireless communication host is started, S1 initializes each functional module, and S2 delays for 3S to jump to an operation mode for updating the wireless communication program. In the operation mode, S3 collects the closing state of the limit switch, S4 collects the electric quantity of the rechargeable lithium battery, S5 analyzes the received wireless communication instruction or transmits wireless communication data, S6 detects whether the state of the limit switch changes or a wake-up event such as the wireless communication instruction is received, if the wake-up event occurs, the steps S3, S4, S5 and S6 are repeated, and if the wake-up event is not detected, the operation mode enters into the S7 sleep mode. And stopping the operation of each functional module of the wireless communication host in the sleep mode, triggering a wake-up event only when the state of the limit switch is changed or a wireless communication instruction is received, exiting the sleep mode to enter the operation mode, and repeating the steps S3, S4, S5 and S6.
Claims (9)
1. An integrated wireless limit switch device, which is characterized in that: including limit switch subassembly (2) and wireless communication host computer detachable connection, wireless communication host computer includes casing (1) and lower casing (8), is equipped with signal processing mainboard (4) in lower casing (8), and signal processing mainboard (4) are connected with antenna (6) and rechargeable battery (5), and antenna (6) set up on lower casing (8) outer wall.
2. The integrated wireless limit switch device according to claim 1, wherein a charging interface (7) is further arranged on the outer wall of the lower housing (8), and the charging interface (7) is electrically connected with the signal processing main board (4) and the rechargeable battery (5).
3. An integrated wireless limit switch device according to claim 2, characterized in that the signal processing main board (4) is provided with a controller (41), the input end of the controller (41) is electrically connected with the limit switch assembly (2), the controller (41) is in communication connection with a wireless transmission chip (42), and the wireless transmission chip (42) is electrically connected with the antenna (6).
4. An integrated wireless limit switch device according to claim 3, characterized in that the controller (41) is connected to a charge-discharge control circuit, which is electrically connected to the rechargeable battery (5).
5. The integrated wireless limit switch device of claim 4, wherein the charge-discharge control circuit comprises a charging circuit: including charging control chip U7, the control INPUT of charging control chip U7 is controlled by the Charge control signal Charge1 of controller (41), the power end INPUT of charging control chip U7 connects the constant current source, the output of charging control chip U7 is connected with the anodal electricity of rechargeable battery (5), rechargeable battery (5) both ends are connected with resistance R14 and R15, connect voltage sampling signal sample3 between resistance R14 and the R15, the signal current output sample1 of charging control chip U7 is after charging current sampling circuit with data transmission to controller (41).
6. The integrated wireless limit switch device of claim 5, wherein the charge-discharge control circuit comprises a discharge circuit: the device comprises a Discharge control chip U6, wherein the control input end of the Discharge control chip U6 is controlled by a Discharge control signal Discharge1 of a controller (41), the power end of the Discharge control chip U6 is electrically connected with the anode of a rechargeable battery (5), the output end of the Discharge control chip U6 is electrically connected with a Discharge resistor R12, and a signal current output end sample2 of the Discharge control chip U6 sends data to the controller (41) after passing through a Discharge current sampling circuit.
7. The integrated wireless limit switch device according to claim 6, wherein the Charge control signal Charge1 and the Discharge control signal Discharge1 are electrically connected to the input terminals of the optocouplers U3 and U4, respectively, and the output terminals of the optocouplers U3 and U4 are electrically connected to the input terminals of the Charge control chip U7 and the Discharge control chip U6, respectively.
8. An integrated wireless limit switch device according to claim 7, wherein the wireless communication host is connected to the limit switch assembly (2) via an input interface (9).
9. An integrated wireless limit switch device according to claim 8, characterized in that the lower housing (8) is connected to the mounting base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320592962.5U CN219695856U (en) | 2023-03-23 | 2023-03-23 | Integrated wireless limit switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320592962.5U CN219695856U (en) | 2023-03-23 | 2023-03-23 | Integrated wireless limit switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219695856U true CN219695856U (en) | 2023-09-15 |
Family
ID=87945431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320592962.5U Active CN219695856U (en) | 2023-03-23 | 2023-03-23 | Integrated wireless limit switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219695856U (en) |
-
2023
- 2023-03-23 CN CN202320592962.5U patent/CN219695856U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |