CN210294862U - Equipment restarting device and monitoring system - Google Patents
Equipment restarting device and monitoring system Download PDFInfo
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- CN210294862U CN210294862U CN201921306203.8U CN201921306203U CN210294862U CN 210294862 U CN210294862 U CN 210294862U CN 201921306203 U CN201921306203 U CN 201921306203U CN 210294862 U CN210294862 U CN 210294862U
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Abstract
The application discloses equipment restarts device and monitored control system relates to oil gas equipment technical field. The device restart apparatus (00) may include: the controller (01), alternating current contactor (02) and from restoring to the throne under-voltage protector (03). Because alternating current contactor (02) and from restoring formula and crossing undervoltage protection ware (03) and establish ties, and this alternating current contactor (02) and controller (01) communication connection, so controller (01) can forward the control command that second transmission equipment (20) sent to this alternating current contactor (02), and this alternating current contactor (02) can be based on this control command to this from restoring formula and crossing undervoltage protection ware (03) outage and restart, and then realize the outage to the first transmission equipment (10) that is located between the measurement and restart. The device (00) can realize remote restart of the first transmission equipment (10), and is short in time consumption and high in efficiency.
Description
Technical Field
The application relates to the technical field of oil and gas equipment, in particular to equipment restarting device and monitoring system.
Background
Metering of well production is an important task in the management of oilfield production. The method has important guiding significance for accurately and timely measuring the oil well yield, mastering the oil reservoir condition and formulating the production scheme.
In the related art, in order to facilitate monitoring of various data in an oil well, a Remote Terminal Unit (RTU) control cabinet and a Customer Premise Equipment (CPE) may be generally installed in a metering room of the oil well. This RTU switch board can send each item data in the oil well that detects to CPE, and CPE can then send the supervisory equipment in the monitor with its data of receiving through wireless transmission's mode to the operating personnel of monitor room passes through the monitoring of supervisory equipment to each item data of oil well of being convenient for.
After the RTU control cabinet and the CPE operate for a long time, problems such as network failure or operation failure may be caused by equipment aging. At this time, the monitoring device may not receive the data sent by the CPE, and an operator in the monitoring room needs to go to the measurement room to repair the RTU control cabinet and the CPE. At present, the RTU control cabinet and the CPE are repaired by adopting a repairing mode of manually restarting the RTU control cabinet and the CPE, and the RTU control cabinet and the CPE can restore normal work after the repair is finished, so that the monitoring equipment can receive data sent by the CPE again. However, the repair method for manually restarting the RTU control cabinet and the CPE is time-consuming and inefficient.
SUMMERY OF THE UTILITY MODEL
The application provides a device and monitored control system restart, can solve among the correlation technique carry out the long consuming time of the repair mode of manual restart to RTU switch board and CPE, the lower problem of efficiency. The technical scheme is as follows:
in one aspect, an apparatus for restarting a device is provided, the apparatus comprising:
the controller, the alternating current contactor and the self-recovery overvoltage and undervoltage protector;
the controller with alternating current contactor all inserts alternating current power supply, just the controller with alternating current contactor communication connection, alternating current contactor with from the mistake undervoltage protection ware of formula establishes ties.
Optionally, the controller includes: a signal transmission terminal; the alternating current contactor includes: the coil, the first normally closed switch and the second normally closed switch;
the signal transmission end is electrically connected with the coil, and the self-resetting overvoltage and undervoltage protector is connected with the alternating current contactor in series through the first normally closed switch and the second normally closed switch.
Optionally, the coil includes: a first coil end and a second coil end;
the first coil end is connected with the signal transmission end, and the second coil end is connected with a zero line.
Optionally, the ac contactor is further configured to: and after a target time length passes, the first normally-closed switch and the second normally-closed switch are controlled to be closed again, wherein the target time length is the duration of the control electric signal.
Optionally, the first normally-closed switch includes: a first end and a second end; the second normally-closed switch includes: a third end and a fourth end; the self-healing overvoltage and undervoltage protector comprises: a first input terminal and a second input terminal;
the first end is connected with a live wire, and the second end is connected with the first input end of the self-resetting overvoltage and undervoltage protector;
the third end is connected with a zero line, and the fourth end is connected with the second input end of the self-healing overvoltage and undervoltage protector.
Optionally, the self-healing overvoltage and undervoltage protector further includes: a first output terminal and a second output terminal.
Optionally, the controller includes: a communication interface.
Optionally, the controller includes: the ground end connected with the ground wire, the zero line end connected with the zero line and the live wire end connected with the live wire.
Optionally, the controller includes: switch, power indicator, public address subassembly to and display screen.
In another aspect, a monitoring system is provided, the system comprising: a first transmission device positioned in a metering room of the oil well and the device restarting device in the aspect, and a second transmission device and a monitoring device positioned in a monitoring room;
the first transmission equipment is connected with a self-resetting overvoltage and undervoltage protector in the equipment restarting device in series, the first transmission equipment is in communication connection with the monitoring equipment, and the second transmission equipment is in communication connection with a controller in the equipment restarting device.
Optionally, the first transmission device includes: a remote terminal unit control cabinet and a client front-end device;
the remote terminal unit control cabinet is connected with a self-resetting overvoltage and undervoltage protector in the equipment restarting device in series, and the remote terminal unit control cabinet is connected with the customer front equipment in series;
the client front-end equipment is in communication connection with the monitoring equipment.
The beneficial effect that technical scheme that this application provided brought includes at least:
the application provides a device restarting device and system, and the device restarting device can include: the controller, ac contactor and from the undervoltage protection ware of formula of restoring to throne. Because ac contactor and the cross undervoltage protection ware series connection from restoring to the throne, and this ac contactor and controller communication connection, consequently the controller can forward ac contactor with the control command that second transmission equipment sent, and this ac contactor can be based on this control command to this from restoring to the throne under-voltage protection ware outage restart, and then realize the outage restart to the first transmission equipment that is located between the measurement. The device can realize the remote restart of the first transmission equipment, and has the advantages of short time consumption and high efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an apparatus restarting device provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another apparatus restarting device provided by the embodiment of the present invention;
fig. 3 is a schematic structural diagram of an apparatus restarting device and a first transmission apparatus provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a monitoring system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an apparatus restarting device provided by an embodiment of the present invention. As can be seen with reference to fig. 1, the device rebooting apparatus 00 may include: the controller 01, ac contactor 02 and from the excessive undervoltage protector 03 of formula of restoring oneself.
The controller 01 and the ac contactor 02 can both be connected to an ac power supply, the controller 01 and the ac contactor 02 can be connected in communication, and the ac contactor 02 and the self-recovery overvoltage/undervoltage protector 03 are connected in series.
The controller 01 is configured to be in communication connection with a second transmission device located in a monitoring room, and the self-healing overvoltage and undervoltage protector 03 is configured to be in series connection with a first transmission device located in a metering room of an oil well.
Wherein the device restart apparatus 00 is configured to: the controller 01 forwards the control instruction sent by the second transmission device to the ac contactor 02, and the ac contactor 02 performs power-off restart on the self-recovery overvoltage/undervoltage protector 03 based on the control instruction, so that the self-recovery overvoltage/undervoltage protector 03 performs power-off restart on the first transmission device.
It should be noted that the first transmission device needs to be in communication connection with a monitoring device located in a monitoring room, an operator in the monitoring room can monitor various data of the oil well sent by the first transmission device in real time through the monitoring device, and when finding that the monitoring device cannot monitor various data of the oil well, the operator needs to power off and restart the first transmission device.
The embodiment of the utility model provides an in, can send control command to this controller 01 through the second transmission equipment with controller 01 communication connection, controller 01 can forward this control command to ac contactor 02, and ac contactor 02 can be according to this control command, makes from the formula cross undervoltage protection ware 03 and this ac contactor 02 disconnection.
After the connection is disconnected, the self-recovery overvoltage-undervoltage protector 03 can detect that the voltage in a line in which the alternating current contactor 02 and the self-recovery overvoltage-undervoltage protector 03 are connected in series is smaller than a voltage threshold, so that the self-recovery overvoltage-undervoltage protector 03 can be automatically disconnected, and a first transmission device connected with the self-recovery overvoltage-undervoltage protector 03 in series is powered off.
When the self-recovery overvoltage-undervoltage protector 03 detects that the voltage in a circuit formed by connecting the alternating current contactor 02 and the self-recovery overvoltage-undervoltage protector 03 in series is larger than a voltage threshold value, the self-recovery overvoltage-undervoltage protector 03 can be automatically closed, so that first transmission equipment connected with the self-recovery overvoltage-undervoltage protector 03 in series is restarted, and power-off restarting of the first transmission equipment is achieved. The voltage threshold may be preset during production of the self-healing overvoltage/undervoltage protector 03. It should be noted that the second transmission device located in the monitoring room and the monitoring device may be integrated into one device.
To sum up, the embodiment of the utility model provides an equipment restarts device, the device can include: the controller, ac contactor and from the undervoltage protection ware of formula of restoring to throne. Because ac contactor and self-healing cross undervoltage protection ware and establish ties, and this ac contactor and controller communication connection, consequently the controller can forward this ac contactor with the control command that second transmission equipment sent, and this ac contactor can be based on this control command to this self-healing cross undervoltage protection ware outage and restart, and then realize the outage to the first transmission equipment that is located between the measurement and restart. The device can realize the remote restart of the first transmission equipment, and has the advantages of short time consumption and high efficiency.
Fig. 2 is a schematic structural diagram of another apparatus restarting device provided by the embodiment of the present invention. Referring to fig. 2, the controller 01 may include: the signal transmission terminal 011. The ac contactor 02 may include: a coil 021, a first normally closed switch 022, and a second normally closed switch 023.
The signal transmission terminal 011 can be electrically connected to the coil 021, and the self-healing overvoltage/undervoltage protector 03 can be connected to the ac contactor 02 in series through the first normally-closed switch 022 and the second normally-closed switch 023. That is, the first normally-closed switch 022 may be connected to the self-healing overvoltage/undervoltage protector 03, and the second normally-closed switch 023 may also be connected to the self-healing overvoltage/undervoltage protector 03.
Wherein the controller 01 may be configured to: after receiving the control instruction sent by the second transmission device, a control electrical signal is generated based on the control instruction, and the control electrical signal is sent to the ac contactor 02 through the signal transmission terminal 011.
The ac contactor 02 may be configured to: after receiving a control electrical signal sent by the signal transmission terminal 011 through the coil 021, the first normally-closed switch 022 and the second normally-closed switch 023 are controlled to be turned off. At this time, the ac contactor 02 may be disconnected from the self-healing overvoltage/undervoltage protector 03.
It should be noted that when the coil 021 in the ac contactor 02 does not receive the control electrical signal, the coil 021 is in a non-conducting state, and when the coil 021 in the ac contactor 02 receives the control electrical signal, the coil 021 can transmit the control electrical signal (i.e., the coil 021 is in a conducting state). The ac contactor 02 may be an ac contactor in which the normally closed switches (i.e., the first normally closed switch 022 and the second normally closed switch 023) are turned off when the coil 021 is in a conductive state, and the normally closed switches are turned on when the coil 021 is in a non-conductive state.
In the embodiment of the present invention, the ac contactor 02 may be further configured to: the first normally-closed switch 022 and the second normally-closed switch 023 are controlled to be closed again after the target period of time has elapsed. The target duration may be the duration of the control electrical signal. After the target time period, the coil 021 in the ac contactor 02 no longer receives the control electrical signal, and the first normally-closed switch 022 and the second normally-closed switch 023 in the ac contactor 02 are closed, so that the ac contactor 02 can be turned on again with the self-resetting overvoltage-undervoltage protector 03.
Alternatively, the target duration for the controller 01 to send the control electrical signal through the signal transmission terminal 011 may range from 0.5 seconds(s) to 1.5 s.
Fig. 3 is a schematic structural diagram of an apparatus restarting device and a first transmission apparatus provided by an embodiment of the present invention. Referring to fig. 3, the first normally-closed switch 022 in the ac contactor 02 may include: a first end 0221 and a second end 0222. The second normally-closed switch 023 in the ac contactor 02 may include: a third port 0231 and a fourth port 0232. The self-healing overvoltage and undervoltage protector 03 can include: a first input 031 and a second input 032.
The first terminal 0221 may be connected to a live wire (L), and the second terminal 0222 may be connected to a first input terminal 031 of the self-healing overvoltage/undervoltage protector 03. The third terminal 0231 can be connected to a neutral wire (N), and the fourth terminal 0232 can be connected to the second input 032 of the self-healing undervoltage protector 03. By connecting the ac contactor 02 to the zero line N and the live line L, the ac contactor 02 can be connected to an ac power supply.
When ac contactor 02 does not receive the control signal of telecommunication that controller 01 sent, first end 0221 and second end 0222 in this first normally closed switch 022 can switch on, and third end 0231 and fourth end 0232 in the second normally closed switch 023 can switch on, and voltage in the series circuit of self-recovery type overvoltage-undervoltage protector 03 and ac contactor 02 is greater than the voltage threshold, and this self-recovery type overvoltage-undervoltage protector 03 can normally work.
When ac contactor 02 receives the control electrical signal sent by controller 01, first end 0221 and second end 0222 in this first normally closed switch 022 can break, and third end 0231 and fourth end 0232 in the second normally closed switch 023 can break, and voltage in the series circuit of self-recovery overvoltage-undervoltage protector 03 and ac contactor 02 is less than the voltage threshold, and this self-recovery overvoltage-undervoltage protector 03 can break.
Referring to fig. 3, the coil 021 may include a first coil end 0211 and a second coil end 0212. The first coil end 0211 may be connected to the signal transmission end 011 of the controller 01, and the second coil end 0212 may be connected to the neutral line N. The controller 01 may transmit a control electric signal to the ac contactor 02 through the signal transmission terminal 011 and the first coil terminal 0211.
Referring to fig. 3, the self-healing overvoltage and undervoltage protector 03 may further include: a first output 033 and a second output 034. The first transmission apparatus 10 may include: a third input 101 and a fourth input 102.
The first output 033 may be connected to a third input 101 of the first transmission device 10. The second output 034 may be connected to the fourth input 102 of the first transmission device 10.
The embodiment of the utility model provides an in, when ac contactor 02 did not receive the control signal of telecommunication, this cross under-voltage protector 03 from the formula can normally work, also be, should cross first input 031 and first output 033 in under-voltage protector 03 from the formula and can switch on, second input 032 and second output 034. The first transmission device 10 can receive the voltage signal from the self-healing overvoltage/undervoltage protector 03, so that the first transmission device 10 is in an operating state.
When the ac contactor 02 receives a control electrical signal, the self-resetting overvoltage-undervoltage protector 03 can be automatically disconnected, that is, the first input end 031 and the first output end 033 in the self-resetting overvoltage-undervoltage protector 03 can be disconnected, and the second input end 032 and the second output end 034 can be disconnected. The first transmission device 10 cannot receive the voltage signal from the self-healing overvoltage/undervoltage protector 03, so that the first transmission device 10 is in a power-off state.
After the target duration, the ac contactor 02 may control the first normally-closed switch 022 and the second normally-closed switch 023 to be closed again, so that the voltage in the line connecting the self-recovery overvoltage-undervoltage protector 03 and the ac contactor 02 in series may gradually increase, when the voltage is greater than the voltage threshold, the first input end 031 and the first output end 033 in the self-recovery overvoltage undervoltage protector 03 may be turned on again, the second input end 032 and the second output end 034 may be turned on again, and the first transmission device 10 may receive the voltage signal from the self-recovery overvoltage undervoltage protector 03, so that the first transmission device 10 is in the operating state again.
When the self-recovery overvoltage and undervoltage protector 03 is used for powering off and restarting the first transmission device 10, a certain protection effect can be exerted on the first transmission device 10, and damage to the first transmission device 10 caused by unstable voltage in a circuit is avoided. And, the self-healing overvoltage and undervoltage protector 03 can work normally again after being automatically disconnected for 55s to 65s, for example, after being automatically disconnected for 60 s. At this point, the voltage in the line has stabilized, the first transmission device 10 is not damaged, and the first transmission device 10 is again in operation.
Optionally, the controller 01 may include: and a communication interface 012, through which the controller 012 can be communicatively connected to a second transmission device.
Referring to fig. 3, the controller 01 may further include: a ground terminal 013 connected to Ground (GND), a neutral terminal 014 connected to neutral N, and a live terminal 015 connected to live L. By connecting the controller 01 with the ground wire GND, the zero line N and the live wire L, the controller 01 can be connected to an alternating current power supply.
Referring to fig. 3, the controller 01 may include: a power switch 016, a power indicator 017, a public address component 018 and a display screen 019.
The power switch 016 can be used to activate the controller 01. The power indicator 017 can be used to indicate the status of the controller 01. For example, the power indicator 017 when lit can be used to indicate that the controller 01 is activated, and the power indicator 017 when extinguished can be used to indicate that the controller 01 is not activated. The microphone assembly 018 may be used to prompt the operator to operate the controller 01 in accordance with voice information. For example, when the controller 01 is activated, the speaker assembly 018 can play the voice message "device activated, please note security". The display screen 019 may be used to display a character string capable of uniquely identifying the controller 01, for example, may be used to display an equipment identification code when the controller 01 leaves a factory.
Referring to fig. 3, the controller 01 may further include: a test component 0110 and a signal indicator light 0111.
Wherein, this test subassembly 0110 can include: start button a, test button b, and stop button c. The test module 0110 can be used to test whether the controller 01 can normally receive the control command sent by the second transmission device. The operator can start the test function of the controller 01 by pressing the start button a, start the test of the controller 01 by pressing the test button b, and stop the test of the controller 01 by pressing the stop button c. The signal indicator 0111 can be used to indicate a signal strength of a communication connection of a second transmission device to the controller 01.
It should be noted that, if through the embodiment of the utility model provides an equipment restart device 00 restarts the back to the outage of first transmission equipment 10, and supervisory equipment can receive each item data of the oil well that first transmission equipment 10 sent again, then need not operating personnel to go to and maintain equipment between the measurement of oil well. If through the embodiment of the utility model provides an equipment is restarted device 00 and is restarted the back to first transmission equipment 10 outage, and supervisory equipment still can't receive each item data of the oil well that first transmission equipment 10 sent, then needs operating personnel to go to look over between the measurement of oil well to maintain the equipment that has the trouble.
That is, under the condition that normal work can not be recovered after the first transmission equipment 10 is powered off and restarted, an operator needs to go to the measurement room of the oil well to check, and the equipment with faults is maintained, so that manpower, material resources and financial resources are saved.
To sum up, the embodiment of the utility model provides an equipment restarts device, the device can include: the controller, ac contactor and from the undervoltage protection ware of formula of restoring to throne. Because ac contactor and self-healing cross undervoltage protection ware and establish ties, and this ac contactor and controller communication connection, consequently the controller can forward this ac contactor with the control command that second transmission equipment sent, and this ac contactor can be based on this control command to this self-healing cross undervoltage protection ware outage and restart, and then realize the outage to the first transmission equipment that is located between the measurement and restart. The device can realize the remote restart of the first transmission equipment, and has the advantages of short time consumption and high efficiency.
Fig. 4 is a schematic structural diagram of a monitoring system according to an embodiment of the present invention. As can be seen with reference to fig. 4, the system may comprise: the first transfer device 10 located in the metering room of the well and the device restarting apparatus 00 provided in the above-described embodiment, and the second transfer device 20 and the monitoring device 30 located in the monitoring room. The device restarting apparatus 00 may be: the device rebooting apparatus 00 shown in fig. 1, 2 or 3.
The first transmission device 10 may be communicatively connected to a monitoring device 30, and the first transmission device 10 may transmit various items of data of the well to the monitoring device 30. The second transmission device 20 may be communicatively connected to the controller 01 in the device restart apparatus 00. The second transmission device 20 may be used to send control instructions to the controller 01.
Optionally, the first transmission device 10 may include: a remote terminal unit control cabinet, and customer premises equipment. The remote terminal unit control cabinet may be connected in series with the self-resetting overvoltage/undervoltage protector 03 in the device restarting apparatus 00, and the remote terminal unit control cabinet may be connected in series with the customer premises device. The client front-end device may be communicatively coupled to the first transmission device 10.
In the embodiment of the present invention, the first transmission device 10 may further include: and a collection assembly. The collection assembly may be in communication with a remote terminal unit control cabinet. The acquisition assembly can be used for acquiring pictures, videos or audios and the like in an oil well. The remote terminal unit control cabinet can carry out signal conversion on the data acquired by the acquisition assembly and send the converted data to the client front-end equipment. For example, the remote terminal unit control cabinet can convert pictures, videos or audios and the like collected by the collecting assembly into temperature signals, pressure signals, video signals or flow signals and the like, and transmit the temperature signals, the pressure signals, the video signals or the flow signals to the customer premises equipment. Then, the customer premise equipment can send the converted data to the monitoring equipment 30, and the monitoring equipment 30 can monitor various data in the oil well.
It should be noted that the first transmission device 10 and the monitoring device 30, and the second transmission device 20 and the device restarting apparatus 00 may be connected by a wireless or wired manner. For example, the wireless connection may be made by zigbee (zigbee), bluetooth (bluetooth), WiFi (wireless fidelity), and low-speed wireless personal area network (Lowpan).
The above description is only exemplary of the present application and should not be taken as limiting, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. An apparatus restart device, the apparatus comprising:
the controller (01), the alternating current contactor (02) and the self-recovery overvoltage and undervoltage protector (03);
the controller (01) and alternating current contactor (02) all insert alternating current power supply, just controller (01) with alternating current contactor (02) communication connection, alternating current contactor (02) with from the cross undervoltage protection ware (03) series connection of double entry.
2. The apparatus according to claim 1, wherein the controller (01) comprises: a signal transmission terminal (011); the AC contactor (02) comprises: a coil (021), a first normally closed switch (022), and a second normally closed switch (023);
the signal transmission end (011) is electrically connected with the coil (021), and the self-resetting overvoltage-undervoltage protector (03) is connected with the alternating current contactor (02) in series through the first normally closed switch (022) and the second normally closed switch (023).
3. The apparatus according to claim 2, wherein the coil (021) comprises: a first coil end (0211) and a second coil end (0212);
the first coil end (0211) is connected with the signal transmission end (011), and the second coil end (0212) is connected with a zero line.
4. The apparatus of claim 2, wherein the first normally-closed switch (022) comprises: a first end (0221) and a second end (0222); the second normally closed switch (023) includes: a third terminal (0231) and a fourth terminal (0232); the self-healing overvoltage and undervoltage protector (03) comprises: a first input (031) and a second input (032);
the first end (0221) is connected with a live wire, and the second end (0222) is connected with a first input end (031) of the self-healing overvoltage and undervoltage protector (03);
the third end (0231) is connected with a zero line, and the fourth end (0232) is connected with a second input end (032) of the self-resetting overvoltage-undervoltage protector (03).
5. The apparatus of claim 4, wherein the self-healing overvoltage and undervoltage protector (03) further comprises: a first output (033) and a second output (034).
6. The device according to any one of claims 1 to 5, wherein the controller (01) comprises: a communication interface (012).
7. The device according to any one of claims 1 to 5, wherein the controller (01) comprises: a ground terminal (013) connected to ground, a neutral terminal (014) connected to neutral, and a fire terminal (015) connected to fire.
8. The device according to any one of claims 1 to 5, wherein the controller (01) comprises: a power switch (016), a power indicator lamp (017), a public address component (018) and a display screen (019).
9. A monitoring system, the system comprising: -a first transfer device (10) located in a metering room of an oil well and a device restarting apparatus (00) according to any one of claims 1 to 8, and-a second transfer device (20) and a monitoring device (30) located in a monitoring room;
wherein the first transmission device (10) is connected in series with a self-resetting overvoltage and undervoltage protector (03) in the device restarting device (00), the first transmission device (10) is connected with the monitoring device (30) in a communication mode, and the second transmission device (20) is connected with a controller (01) in the device restarting device (00) in a communication mode.
10. The system according to claim 9, characterized in that said first transmission device (10) comprises: a remote terminal unit control cabinet and a client front-end device;
the remote terminal unit control cabinet is connected with a self-resetting overvoltage and undervoltage protector (03) in the equipment restarting device (00) in series, and the remote terminal unit control cabinet is connected with the customer front equipment in series;
the customer premises equipment is in communicative connection with the monitoring device (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306203.8U CN210294862U (en) | 2019-08-13 | 2019-08-13 | Equipment restarting device and monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306203.8U CN210294862U (en) | 2019-08-13 | 2019-08-13 | Equipment restarting device and monitoring system |
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| Publication Number | Publication Date |
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| CN210294862U true CN210294862U (en) | 2020-04-10 |
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| CN201921306203.8U Active CN210294862U (en) | 2019-08-13 | 2019-08-13 | Equipment restarting device and monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113225626A (en) * | 2021-06-15 | 2021-08-06 | Oppo广东移动通信有限公司 | Electronic device and customer premises equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113225626A (en) * | 2021-06-15 | 2021-08-06 | Oppo广东移动通信有限公司 | Electronic device and customer premises equipment |
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