CN210466703U - Remote measurement and control device with controllable hot spots - Google Patents
Remote measurement and control device with controllable hot spots Download PDFInfo
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- CN210466703U CN210466703U CN201921059128.XU CN201921059128U CN210466703U CN 210466703 U CN210466703 U CN 210466703U CN 201921059128 U CN201921059128 U CN 201921059128U CN 210466703 U CN210466703 U CN 210466703U
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The utility model relates to a controllable long-range measurement and control device in focus. The remote measurement and control device with controllable hot spots in one embodiment comprises: the power consumption of the first communication module is higher than that of the second communication module; the main control module is respectively connected with the first communication module, the first power supply control module, the second communication module and the measurement and control interface module, and the first communication module is connected with an external power supply through the first power supply control module; the second communication module is used for receiving a control instruction of the measurement and control master station and sending the control instruction to the main control module, and the main control module drives the first power supply control module to be switched on or switched off according to the control instruction so that the first communication module provides or closes a local area network hotspot signal.
Description
Technical Field
The utility model relates to an automatic observe and control and communication field especially relates to a controllable long-range measurement and control device in focus.
Background
The remote measurement and control device is generally arranged in an unattended place and is responsible for monitoring and controlling field signals and industrial equipment. The local staff is inconvenient to arrive, and the staff communicates with the remote measurement and control device through the control terminal of the control room to acquire related data.
The remote measurement and control terminal is characterized in that a communication module for generating local hotspot signals, such as a WIFI module, is integrated on the remote measurement and control device, generates WIFI signals to form a local area network, and when the remote measurement and control terminal works, the WIFI module is started to provide WIFI hotspots, so that other electronic equipment can be connected to the remote measurement and control device, and wireless communication based on WIFI links is established between the remote measurement and control device and other electronic equipment.
In order to provide sufficient signal strength, the communication module generating the local hotspot signal must consume large electric energy to achieve sufficient transmission power, which has high requirements on the power supply of the remote measurement and control device. For a remote measurement and control device powered by a battery, the energy consumption of a communication module generating a local hotspot signal is a difficult problem to face by the remote measurement and control device. Namely, the traditional remote measurement and control device has the problem of overhigh energy consumption due to the fact that a communication module generating a local hotspot signal is started.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a hot spot controllable remote measurement and control device capable of reducing energy consumption in order to solve the problem of excessive energy consumption.
A remote measurement and control device with controllable hot spots comprises: the power consumption of the first communication module is higher than that of the second communication module;
the main control module is respectively connected with the first communication module, the first power supply control module, the second communication module and the measurement and control interface module, and the first communication module is connected with an external power supply through the first power supply control module;
the second communication module receives a control instruction of the measurement and control master station and sends the control instruction to the main control module, and the main control module drives the first power control module to be switched on or switched off according to the control instruction, so that the first communication module provides or closes a local area network hotspot signal.
In one embodiment, the first power control module comprises: a first resistor and a first switch tube;
one end of the first resistor receives an external first power voltage and is connected with a first end of the first switch tube, the other end of the first resistor receives a first enabling control signal sent by the main control module and is connected with a second end of the first switch tube, and a third end of the first switch tube is connected with the first communication module.
In one embodiment, the remote measurement and control device with the controllable hot spot further comprises a second resistor, and the other end of the first resistor receives a first enabling control signal sent by the main control module through the second resistor.
In one embodiment, the hot spot controllable remote measurement and control device further includes a first capacitor and a second capacitor, one end of the first capacitor and one end of the second capacitor are respectively connected to the third end of the first switch tube, and the other end of the first capacitor and the other end of the second capacitor are grounded.
In one embodiment, the remote measurement and control device with controllable hot spots further comprises a second power supply control module, the second power supply control module is connected with the main control module, and the second communication module is connected with an external power supply through the second power supply control module.
In one embodiment, the second power control module comprises: the second switch tube, the third resistor, the voltage stabilizer, the fourth resistor and the fifth resistor;
the one end of third resistance receives outside second mains voltage, and with the second end of stabiliser is connected, the other end of third resistance respectively with the first end of stabiliser and the first end of second switch tube is connected, the second end of second switch tube receives the second enable control signal that host system sent, the third end ground connection of second switch tube, the one end of fourth resistance respectively with the fifth end of stabiliser and the one end of fifth resistance is connected, the other end ground connection of fourth resistance, the other end of fifth resistance respectively with the fourth end of stabiliser and the second communication module connects, the third end ground connection of stabiliser.
In one embodiment, the remote measurement and control device with the controllable hot spot further includes a sixth resistor, and the second end of the second switching tube receives a second enable control signal sent by the main control module through the sixth resistor.
In one embodiment, the hot spot controllable remote measurement and control device further includes a third capacitor and a fourth capacitor, one end of the third capacitor and one end of the fourth capacitor receive an external second power voltage, respectively, and the other end of the third capacitor and the other end of the fourth capacitor are grounded.
In an embodiment, the hot spot controllable remote measurement and control device further includes a fifth capacitor and a sixth capacitor, one end of the fifth capacitor and one end of the sixth capacitor are respectively connected to the second communication module, and the other end of the fifth capacitor and the other end of the sixth capacitor are grounded.
In one embodiment, the remote measurement and control device with controllable hot spots further comprises a power supply module, and the power supply module is respectively connected with the main control module, the first power supply control module and the second power supply control module.
The remote measurement and control device with the controllable hot spot receives a control instruction of a measurement and control main station through the second communication module, the main control module responds to the control instruction after acquiring the control instruction, the first power supply control module is driven to be switched on or switched off, so that the first communication module provides or closes a local area network hot spot signal, the first communication module is controlled to be switched on/off through the second communication module with lower power consumption, the first communication module is not required to be switched on all the time, the energy consumption of the remote measurement and control device can be effectively reduced, in addition, the main control module collects an analog quantity signal through the measurement and control interface module, receives and sends a switching value signal, and the measurement and control function is realized.
Drawings
Fig. 1 is a schematic structural diagram of a remote measurement and control device with controllable hot spots in an embodiment;
FIG. 2 is a circuit diagram of a first power control module in one embodiment;
fig. 3 is a schematic structural diagram of a remote measurement and control device with controllable hot spots in another embodiment;
FIG. 4 is a circuit diagram of a second power control module in one embodiment;
fig. 5 is a schematic structural diagram of a remote measurement and control device with a controllable hotspot in yet another embodiment.
Detailed Description
As shown in fig. 1, a remote measurement and control device with controllable hot spot includes: the power consumption of the main control module 100, the first communication module 200, the first power control module 300, the second communication module 400 and the measurement and control interface module 500 is higher than that of the second communication module 400; the main control module 100 is respectively connected with the first communication module 200, the first power control module 300, the second communication module 400 and the measurement and control interface module 500, and the first communication module 200 is connected with an external power supply through the first power control module 300; the second communication module 200 receives a control instruction of the measurement and control master station and sends the control instruction to the main control module 100, and the main control module 100 drives the first power control module 300 to be turned on or off according to the control instruction, so that the first communication module 200 provides or turns off the local area network hotspot signal.
The main control module 100 may be a single chip microcomputer, such as a pic single chip microcomputer, an STM32 single chip microcomputer, or the like. The second communication module 400 has a wireless basic data communication function and a short message transceiving function, and a short message transceiving remote master station and a short message transceiving mobile phone number which communicate with the remote measurement and control device can be set. The second communication module 400 may be a GSM module, such as a TC35i module; the first communication module 200 may be an ESP8266 series WIFI module.
The remote measurement and control device with the controllable hot spot receives a control instruction of a measurement and control main station through the second communication module, the main control module responds to the control instruction after acquiring the control instruction, the first power supply control module is driven to be switched on or switched off, so that the first communication module provides or closes a local area network hot spot signal, the first communication module is controlled to be switched on/off through the second communication module with lower power consumption, the first communication module is not required to be switched on all the time, the energy consumption of the remote measurement and control device can be effectively reduced, in addition, the main control module collects an analog quantity signal through the measurement and control interface module, receives and sends a switching value signal, and the measurement and control function is realized.
In one embodiment, as shown in fig. 2, the first power control module includes: a first resistor and a first switch tube; one end of the first resistor receives an external first power supply voltage and is connected with a first end of the first switch tube, the other end of the first resistor receives a first enabling control signal sent by the main control module and is connected with a second end of the first switch tube, and a third end of the first switch tube is connected with the first communication module. The first resistor is a pull-up resistor, the external first power voltage is 3.3V power voltage, and the output end outputs 0V or 3.3V direct current voltage to the first communication module. The main control module is connected with a first enabling control end WIFI _ POWER _ EN of the first POWER supply control module through an output pin. When the main control module outputs a low level to the first enable control terminal, the Q1 is turned on, the output power terminal +3V3_ WIFI outputs a 3.3V dc voltage to the first communication module, and the first communication module is powered on at this time. When the main control module outputs high level to the first enabling control end at the node, the Q1 is turned off, the output power end +3V3_ WIFI outputs 0V direct-current voltage to the first communication module, and the first communication module is powered off at the moment.
In one embodiment, the remote measurement and control device with the controllable hot spot further comprises a second resistor, the other end of the first resistor receives the first enabling control signal sent by the main control module through the second resistor, and the second resistor plays a role in limiting the current.
In one embodiment, the remote measurement and control device with controllable hot spots further comprises a first capacitor and a second capacitor, one end of the first capacitor and one end of the second capacitor are respectively connected with the third end of the first switch tube, the other end of the first capacitor and the other end of the second capacitor are grounded, and the output voltage is filtered through the first capacitor and the second capacitor.
In one embodiment, as shown in fig. 3, the remote measurement and control device with a controllable hotspot further includes a second power control module 600, the second power control module 600 is connected to the main control module 100, and the second communication module 400 is connected to an external power source through the second power control module 600. The main control module 100 controls the second communication module 400 to be in an on state or an off state through the second power control module 600.
In one embodiment, as shown in fig. 4, the second power control module includes: the second switch tube, the third resistor, the voltage stabilizer, the fourth resistor and the fifth resistor; the one end of third resistance receives outside second mains voltage, and be connected with the second end of stabiliser, the other end of third resistance is connected with the first end of stabiliser and the first end of second switch tube respectively, the second end of second switch tube receives the second enable control signal that host system sent, the third end ground connection of second switch tube, the one end of fourth resistance is connected with the fifth end of stabiliser and the one end of fifth resistance respectively, the other end ground connection of fourth resistance, the other end of fifth resistance is connected with the fourth end of stabiliser and second communication module respectively, the third end ground connection of stabiliser. The external second power supply voltage is 5V power supply voltage, the third resistor is a pull-up resistor, the output voltage of the voltage stabilizer is adjusted through the fourth resistor and the fifth resistor, and the communication output power supply end +3.3V _ GPRS outputs 0V or 3.3V direct-current voltage to the second communication module. The main control module is connected with a second enabling control end GPRS _ POW _ EN of the second power supply control module through an output pin. When the main control module outputs a low level to the second enabling control terminal, the Q2 is turned on, the output power terminal +3.3V _ GPRS outputs a 3.3V dc voltage to the second communication module, and at this time, the second communication module is powered on. When the main control module outputs high level to the second enabling control end, the Q2 is turned off, the output power end +3.3V _ GPRS outputs 0V direct current voltage to the second communication module, and at the moment, the second communication module is powered off.
In one embodiment, the remote measurement and control device with the controllable hot spot further comprises a sixth resistor, the second end of the second switch tube receives a second enable control signal sent by the main control module through the sixth resistor, and the sixth resistor plays a role in limiting the current.
In one embodiment, the remote measurement and control device with the controllable hot spot further includes a third capacitor and a fourth capacitor, one end of the third capacitor and one end of the fourth capacitor respectively receive an external second power voltage, the other end of the third capacitor and the other end of the fourth capacitor are grounded, and the third capacitor and the fourth capacitor filter an input 5V voltage.
In one embodiment, the hot spot controllable remote measurement and control device further includes a fifth capacitor and a sixth capacitor, one end of the fifth capacitor and one end of the sixth capacitor are respectively connected to the second communication module, the other end of the fifth capacitor and the other end of the sixth capacitor are grounded, and the output voltage is filtered through the fifth capacitor and the sixth capacitor.
In one embodiment, the remote measurement and control device with controllable hot spots further comprises a power supply module, and the power supply module is respectively connected with the main control module, the first power supply control module and the second power supply control module. The power supply module provides power supply voltage for the main control module, the first power supply control module and the second power supply control module.
In an embodiment, as shown in fig. 5, the remote measurement and control device with a controllable hotspot further includes a measurement and control interface power supply control module, the measurement and control interface module and the measurement and control interface power supply control module are respectively connected to the main control module, the power supply module is connected to the measurement and control interface power supply control module, and the measurement and control interface power supply control module is connected to the measurement and control interface module. The measurement and control interface power supply control module receives high and low levels sent by the main control module and controls the connection and disconnection of the power supply of the measurement and control interface module. The measurement and control interface module comprises a switching value input signal acquisition circuit, an analog quantity input signal acquisition circuit and a switching value output signal control circuit, wherein the switching value input signal acquisition circuit is used for acquiring switching value input signals, the analog quantity input signal acquisition circuit is used for acquiring analog quantity input signals, and the switching value output signal control circuit is used for controlling the switching value output signals. The main control module is respectively connected with the WIFI module and the GSM module, can perform data interaction with the GSM module, and can also perform data interaction with the WIFI module when the WIFI module is started.
In one embodiment, the power of the WIFI module is switched on and off under the control of the WIFI power control module, the WIFI power control circuit module is controlled by the main control module, and the main control module switches on and off the power of the WIFI module by controlling the WIFI power control module. Specifically, after the remote measurement and control device is powered on, the main control module enables the power supply of the WIFI module to be in a disconnected state through the WIFI power supply control module. After the remote measurement and control device is powered on, the main control module enables the power supply of the GSM module to be in a connection state through the GSM power supply control module. After the remote measurement and control device is powered on, the wireless basic data communication function of the GSM module is started, communication connection is automatically established with the trusted wireless remote master station, and communication is carried out according to a preset protocol. After the remote measurement and control device is powered on, the short message receiving and sending function of the GSM module is started, and the mobile phone number which has been granted is waited to send the short message.
And the trusted wireless remote master station sends a communication message for switching on the power supply of the WIFI module to the remote measurement and control device through the wireless basic data communication link according to the format of a preset protocol. And after receiving a communication message which is sent by the trusted wireless remote master station and is used for switching on the power supply of the WIFI module, the GSM module transmits the message to the master control module. The main control module receives the communication message which is forwarded by the GSM module and is used for switching on the power supply of the WIFI module, analyzes the communication message and identifies an instruction for switching on the power supply of the WIFI module. The main control module places the power supply of the WIFI module in a connection state according to the instruction of connecting the power supply of the WIFI module. The WIFI module runs in the AP mode after the power supply of the WIFI module is switched on, and provides a hot spot for the WIFI equipment running in the Station mode.
And the trusted wireless remote master station sends a communication message for disconnecting the power supply of the WIFI module to the remote measurement and control device through the wireless basic data communication link according to the format of a preset protocol. And after receiving a communication message which is sent by the trusted wireless remote master station and used for disconnecting the power supply of the WIFI module, the GSM module sends the message to the master control module. The main control module receives the communication message which is forwarded by the GSM module and used for disconnecting the power supply of the WIFI module, analyzes the communication message and identifies an instruction for disconnecting the power supply of the WIFI module. And the main control module places the power supply of the WIFI module in a disconnected state according to the instruction of disconnecting the power supply of the WIFI module. And after the power supply of the WIFI module is disconnected, the WIFI module stops providing hot spots for the WIFI equipment running in the Station mode.
And the trusted mobile phone sends a short message for switching on the power supply of the WIFI module to the remote measurement and control device according to a format of a preset protocol. And after receiving a short message which is sent by the trusted mobile phone and is connected with the power supply of the WIFI module, the GSM module sends the content of the short message to the main control module. And the main control module receives the short message which is forwarded by the GSM module and is used for switching on the power supply of the WIFI module and identifies an instruction for switching on the power supply of the WIFI module. And the main control module places the power supply of the WIFI module in a connection state according to the identified instruction for connecting the power supply of the WIFI module. The WIFI module runs in the AP mode after the power supply of the WIFI module is switched on, and a hot spot is provided for the WIFI equipment running in the Station mode.
And the trusted mobile phone sends a short message for disconnecting the power supply of the WIFI module to the remote measurement and control device according to a preset protocol format. And after receiving the short message sent by the trusted mobile phone and used for disconnecting the power supply of the WIFI module, the GSM module sends the content of the short message to the main control module. And the main control module receives the short message content forwarded by the GSM module and used for disconnecting the power supply of the WIFI module and identifies an instruction for disconnecting the power supply of the WIFI module. And the main control module places the power supply of the WIFI module in a disconnected state according to the identified instruction for disconnecting the power supply of the WIFI module. And after the power supply of the WIFI module is disconnected, the WIFI module stops providing hot spots for the WIFI equipment running in the Station mode.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A remote measurement and control device with controllable hot spots is characterized by comprising a main control module, a first communication module, a first power supply control module, a second communication module and a measurement and control interface module, wherein the power consumption of the first communication module is higher than that of the second communication module;
the main control module is respectively connected with the first communication module, the first power supply control module, the second communication module and the measurement and control interface module, and the first communication module is connected with an external power supply through the first power supply control module;
the second communication module receives a control instruction of the measurement and control master station and sends the control instruction to the main control module, and the main control module drives the first power control module to be switched on or switched off according to the control instruction, so that the first communication module provides or closes a local area network hotspot signal.
2. The apparatus of claim 1, wherein the first power control module comprises: a first resistor and a first switch tube;
one end of the first resistor receives an external first power voltage and is connected with a first end of the first switch tube, the other end of the first resistor receives a first enabling control signal sent by the main control module and is connected with a second end of the first switch tube, and a third end of the first switch tube is connected with the first communication module.
3. The device of claim 2, further comprising a second resistor, wherein the other end of the first resistor receives the first enable control signal sent by the main control module through the second resistor.
4. The apparatus of claim 2, further comprising a first capacitor and a second capacitor, wherein one end of the first capacitor and one end of the second capacitor are respectively connected to the third terminal of the first switch tube, and the other end of the first capacitor and the other end of the second capacitor are grounded.
5. The device of claim 1, further comprising a second power control module, wherein the second power control module is connected to the main control module, and the second communication module is connected to an external power source through the second power control module.
6. The apparatus of claim 5, wherein the second power control module comprises: the second switch tube, the third resistor, the voltage stabilizer, the fourth resistor and the fifth resistor;
the one end of third resistance receives outside second mains voltage, and with the second end of stabiliser is connected, the other end of third resistance respectively with the first end of stabiliser and the first end of second switch tube is connected, the second end of second switch tube receives the second enable control signal that host system sent, the third end ground connection of second switch tube, the one end of fourth resistance respectively with the fifth end of stabiliser and the one end of fifth resistance is connected, the other end ground connection of fourth resistance, the other end of fifth resistance respectively with the fourth end of stabiliser and the second communication module connects, the third end ground connection of stabiliser.
7. The apparatus of claim 6, further comprising a sixth resistor, wherein the second end of the second switch tube receives a second enable control signal sent by the main control module through the sixth resistor.
8. The apparatus of claim 6, further comprising a third capacitor and a fourth capacitor, wherein one terminal of the third capacitor and one terminal of the fourth capacitor respectively receive an external second power voltage, and the other terminal of the third capacitor and the other terminal of the fourth capacitor are grounded.
9. The apparatus according to claim 6, further comprising a fifth capacitor and a sixth capacitor, wherein one end of the fifth capacitor and one end of the sixth capacitor are respectively connected to the second communication module, and the other end of the fifth capacitor and the other end of the sixth capacitor are grounded.
10. The device of claim 5, further comprising a power module, wherein the power module is connected to the main control module, the first power control module, and the second power control module, respectively.
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| CN201921059128.XU CN210466703U (en) | 2019-07-08 | 2019-07-08 | Remote measurement and control device with controllable hot spots |
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| CN201921059128.XU CN210466703U (en) | 2019-07-08 | 2019-07-08 | Remote measurement and control device with controllable hot spots |
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