CN211456664U - Main/standby circuit switching device - Google Patents
Main/standby circuit switching device Download PDFInfo
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- CN211456664U CN211456664U CN201922138700.8U CN201922138700U CN211456664U CN 211456664 U CN211456664 U CN 211456664U CN 201922138700 U CN201922138700 U CN 201922138700U CN 211456664 U CN211456664 U CN 211456664U
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Abstract
The utility model relates to a activestandby circuit auto-change over device, include: the main circuit comprises a main circuit first rated regulating circuit, a main circuit second rated regulating circuit, an incoming line wiring terminal, a main circuit relay, a standby circuit relay and a control chip, wherein a contact of the main circuit relay is connected to the main circuit, a contact of the standby circuit relay is connected to the standby circuit, the main circuit first rated regulating circuit is connected with the control chip, the main circuit second rated regulating circuit is connected with the control chip, the incoming line wiring terminal is connected with the control chip, and the main circuit relay and the standby circuit relay are connected through a coil and controlled by the control circuit of the control chip. Through above-mentioned device, can restrict the power of using electrical apparatus in the return circuit, avoid whole return circuit switch can be because of overload trip, need not to reform transform the circuit simultaneously, saved a large amount of manpowers and time.
Description
Technical Field
The utility model relates to a distribution technical field, more specifically, the utility model relates to a activestandby circuit auto-change over device.
Background
With the rapid development of electrical appliance technologies and internet technologies, new types of household and office equipment are also increasing, such as humidifiers, purifiers, tea art water heaters, air conditioners, computers, printers, electric heaters, and the like, so that the electricity consumption of residential electricity and office electricity is promoted to be increased sharply.
At present, when power distribution is carried out on a common civil building and an industrial factory building, the number of electrical appliances of the designed socket with a single loop is not more than 10, the number of the electrical appliances is usually about 5, the wire diameter of the socket is generally about 4 square, the socket can bear 20-25A of current, and the power is about 4 KW. Based on the design, when the electrical appliances connected with the sockets at the same time exceed a certain number, for example, the whole loop switch trips due to overload, so that other equipment without a backup battery can lose power.
In the prior art, in order to cope with the situation, a line is generally modified.
However, the line transformation is complex, the construction site needs to be provided with a wall and a hole, and whether a reserved switch exists needs to be checked, so that the implementation difficulty is high, and a large amount of labor and time are wasted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device that activestandby circuit switches.
According to the utility model discloses an aspect provides a activestandby circuit auto-change over device, include:
the system comprises a main loop first rated regulating circuit, a main loop second rated regulating circuit, an incoming line wiring terminal, a main loop relay, a standby loop relay and a control chip;
the contact of the main loop relay is connected to the main loop;
the contact of the standby loop relay is connected to the standby loop;
the main loop first rated regulating circuit is connected with the control chip and is set to provide a set first threshold value for controlling the opening and closing states of each loop to the control chip;
the main loop second rated regulating circuit is connected with the control chip and is set to provide a set second threshold value for controlling the opening and closing states of each loop to the control chip;
the incoming line wiring terminal is connected with the control chip and is set to output the current value of the main loop to the control chip;
and the coils of the main loop relay and the standby loop relay are connected to a control loop controlled by the control chip.
Optionally, the control chip is configured to: and controlling the main loop relay to open and close the main loop and controlling the standby loop relay to open and close the standby loop according to the current value of the main loop and the first threshold and the second threshold.
Optionally, the control chip is configured to: and when the current value is detected to exceed the first threshold value and be lower than the second threshold value, controlling the main loop relay to open a main loop and controlling the standby loop relay to close a standby loop.
Optionally, the control chip is configured to: and when the current value is detected to exceed the second threshold value, controlling the main loop relay to close the main loop and controlling the standby loop relay to close the standby loop.
Optionally, the control chip is configured to: when the current value is detected to be lower than the first threshold value, the control chip controls the main loop relay to open the main loop and controls the standby loop relay to open the standby loop.
Optionally, the apparatus further comprises:
the current transformer is used for collecting the current value of the main loop output by the incoming line wiring terminal and sending the current value to the control chip;
the inlet wire binding post with control chip is connected includes: and the incoming line wiring terminal is connected with the control chip through the current transformer.
Optionally, the apparatus further comprises:
embedding a wiring terminal;
and the embedded wiring terminal is respectively connected with the current transformer and the main loop relay.
Optionally, the apparatus further comprises:
a buck chip configured to regulate an input voltage of the control chip;
the inlet wire binding post with control chip is connected includes: and the incoming line wiring terminal is connected with the control chip through the voltage reduction chip.
Optionally, the apparatus further comprises:
an aluminum box housing;
and the first main loop rated regulating circuit, the second main loop rated regulating circuit, the incoming line wiring terminal, the main loop relay, the standby loop relay and the control chip are all arranged in the aluminum box shell.
Optionally, the apparatus further comprises:
a main loop socket and a standby loop socket;
the main loop socket is connected with the main loop relay;
the standby loop socket is connected with the standby loop relay.
The utility model discloses a technological effect lies in, detects the current value of the major loop of inlet wire binding post output through control chip to according to the current value of major loop, control major loop relay switching major loop, and control are equipped with return circuit relay switching and are equipped with the return circuit, can limit the power of electrical apparatus in the return circuit, avoid whole loop switch can be because of the overload trip-out, need not to reform transform the circuit simultaneously, saved a large amount of manpowers and time.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a diagram illustrating a first main/standby circuit switching device according to an embodiment of the present disclosure.
Fig. 2 is a diagram illustrating a second main/standby circuit switching device according to an embodiment of the present disclosure.
Fig. 3 is a diagram providing a third main/standby circuit switching device according to an embodiment of the present disclosure.
Fig. 4 is a diagram providing a fourth main/standby circuit switching device according to an embodiment of the present disclosure.
Fig. 5 is a diagram of a fifth main/standby circuit switching device provided for an embodiment of the present specification.
Fig. 6 is a sixth main/standby circuit switching device provided for an embodiment of the present specification.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In practical application, when power distribution is designed for common civil buildings and industrial plants, the number of the designed sockets of the single loop is not more than 10, usually about 5, the wire diameter of the socket is generally about 4 square, the socket can bear 20-25A of current, and the power is about 4 KW. Based on the above design, when the electrical appliances connected to the sockets at the same time exceed a certain number, for example, the whole loop switch may trip due to overload, so that other devices without backup batteries may lose power, and therefore, in the embodiment of the present specification, the power consumption of the electrical appliances needs to be limited.
Further, since the power and the current in the circuit will increase with the increase of the power-consuming devices, and after reaching a certain degree, the whole loop switch will trip due to overload, therefore, in the embodiment of the present specification, a corresponding threshold may be set for the current of the loop, and the current in the loop is controlled, so as to limit the power consumption of the power-consuming devices, as shown in fig. 1 specifically.
Fig. 1 illustrates an embodiment of the present disclosure, which provides a main/standby circuit switching device, including:
the main circuit comprises a main circuit first rated regulating circuit 101, a main circuit second rated regulating circuit 102, an incoming line wiring terminal 103, a main circuit relay 104, a standby circuit relay 105 and a control chip 106, wherein the main circuit first rated regulating circuit 101 is connected with the control chip 106 and is set to provide a set first threshold value for controlling the opening and closing states of each circuit for the control chip; the main loop second rated regulating circuit 102 is connected to the control chip 106, and is configured to provide a set second threshold value for controlling the open/close state of each loop to the control chip; the incoming line wiring terminal 103 is connected with the control chip 106; the coils of the main loop relay 104 and the standby loop relay 105 are connected to a control loop controlled by the control chip 106; the contact of the main circuit relay 104 is connected to the main circuit; the contacts of the backup circuit relay 105 are connected to the backup circuit.
Here, a first threshold value for controlling the open/close state of each circuit is set in advance by the main circuit first rated adjusting circuit 101, a second threshold value for controlling the open/close state of each circuit is set by the main circuit second rated adjusting circuit 102, then the incoming line connecting terminal 103 outputs the current value of the main circuit in real time, the control chip 106 detects the current value of the main circuit output by the incoming line connecting terminal 103 in real time, and controls the main circuit relay 104 to open/close the main circuit and the auxiliary circuit relay 105 to open/close the auxiliary circuit according to the current value of the main circuit, the first threshold value and the second threshold value.
Further, an operation unit that adjusts the main circuit first rated adjustment circuit 101 is a main circuit first rated adjustment knob; an operation portion for adjusting the second rated adjustment circuit 102 of the main circuit is a second rated adjustment knob of the main circuit
In the embodiment of the present disclosure, the main circuit relay 104 and the auxiliary circuit relay 105 are controlled to open and close the main circuit and the auxiliary circuit according to the current value of the main circuit and the first threshold and the second threshold, and specifically, the following three embodiments may be implemented:
the first embodiment: when the control chip 106 detects that the current value of the main loop output by the incoming line wiring terminal 103 exceeds the first threshold and is lower than the second threshold, the control chip 106 generates a main loop opening signal and a standby loop closing signal, transmits the main loop opening signal to the main loop relay 104, the main loop relay 104 controls the main loop to keep an opening state according to the main loop opening signal after receiving the main loop opening signal, transmits the standby loop closing signal to the standby loop relay 105, and the standby loop relay 105 controls the standby loop to be closed according to the standby loop closing signal after receiving the standby loop closing signal.
The second embodiment: when the control chip 106 detects that the current value of the main loop output by the incoming line wiring terminal 103 exceeds the second threshold value, the control chip 106 generates a main loop closing signal and a standby loop closing signal, transmits the main loop closing signal to the main loop relay 104, controls the main loop to be closed according to the main loop closing signal after the main loop relay 104 receives the main loop closing signal, transmits the standby loop closing signal to the standby loop relay 105, and controls the standby loop to be closed according to the standby loop closing signal after the standby loop relay 105 receives the standby loop closing signal.
Third embodiment: when the control chip 106 detects that the current value of the main loop output by the incoming line wiring terminal 103 is lower than the first threshold value, the control chip 106 generates a main loop opening signal and a standby loop opening signal, transmits the main loop opening signal to the main loop relay 104, after receiving the main loop opening signal, the main loop relay 104 controls the main loop to keep an opening state according to the main loop opening signal, transmits the standby loop opening signal to the standby loop relay 105, and after receiving the standby loop opening signal, the standby loop relay 105 controls the standby loop to keep an opening state according to the standby loop opening signal.
It should be noted that, the three embodiments are briefly described here by way of example, and specifically the following are described below:
the method comprises the steps that a first threshold value 9A for controlling a main/standby loop is set through a first main loop rated adjusting circuit 101 in advance, a second threshold value 15A for controlling the main/standby loop is set through a second main loop rated adjusting circuit 102, when the current of the main loop is 9A, a control chip 106 controls a standby loop to be closed through a standby loop relay 105 firstly, but the main loop can still be used at the moment, when the current of the main loop rises to 15A, the control chip 106 also controls the main loop to be closed through a main loop relay 104, the main loop and the standby loop are both closed at the moment, and if the current of the main loop returns to be below 9A, the control chip 106 controls the main/standby loop relay 105 to control the standby loop to be opened, and the use of the main/standby loop is recovered.
Through above-mentioned device, can restrict the power of using electrical apparatus in the return circuit, avoid whole return circuit switch can be because of overload trip, need not to reform transform the circuit simultaneously, saved a large amount of manpowers and time.
Further, in order to reduce the operation load of the control chip 106, in the embodiment of the present specification, as shown in fig. 2, a current transformer 107 may be added, wherein the incoming line terminal 103 is connected to the control chip 106 through the current transformer.
It should be noted that the current transformer is configured to collect a current value of the main loop output by the incoming line terminal 103, and send the collected current value of the main loop to the control chip 106, so that the control chip 106 can directly obtain the current value of the main loop without actively collecting the current value.
Further, in the embodiment of the present disclosure, as shown in fig. 3, an embedded terminal 108 may be further added, where the embedded terminal is respectively connected to the main circuit current transformer and the main circuit relay 104.
Further, since the voltage of the external utility power does not meet the working voltage requirement of the control chip 106 under normal conditions, that is, the external utility power cannot be directly supplied to the control chip 106, and voltage transformation is required, in this specification, as shown in fig. 4, a voltage-reducing chip 109 may be added to adjust the input voltage of the control chip 106, wherein the incoming line connection terminal 103 is connected to the control chip 106 through the voltage-reducing chip.
Further, in order to ensure the heat dissipation effect, in the embodiment of the present specification, as shown in fig. 5, an aluminum box housing 110 may be added, wherein the main circuit first rated regulating circuit 101, the main circuit second rated regulating circuit 102, the incoming line terminal 103, the main circuit relay 104, the standby circuit relay 105, and the control chip 106 are all installed in the aluminum box housing.
Further, in practical applications, the active/standby circuit switching device needs to provide an electrical interface to supply power to an electrical appliance, so in this embodiment, as shown in fig. 6, a main loop socket 111 and a standby loop socket 112 may be further added, where the main loop socket is connected to the main loop relay 104; the backup circuit socket is connected to the backup circuit relay 105.
It should be noted that, the main loop socket includes 2 knobs set as input signals, and one hall element is adopted, that is, one hall element outputs one signal to two knobs, and when the current exceeds the second threshold value in the rising stage, the relay coil of the backup loop socket is turned off first, and if the current continues to rise, the relay coil of the backup loop socket is turned off.
In addition, the socket selects national standard, American standard, port standard commonality product, and the connecting portion need satisfy the temperature rise and the good plug power of operating current, and the source part of control original paper needs reliable and stable to minimize and use electronic device, and use components and parts of high temperature resistance.
It should be noted here that all the components in the present invention are installed on the PCB circuit board, and it is assumed that the incoming line terminal 103 needs to be installed in the circuit board, the hall current transformer, the 10A-16A multifunctional general main loop socket 111, the 10A-16A multifunctional general backup loop socket 112, the high-power main loop relay 104, the high-power backup loop relay 105, the control chip 106, and the control loop voltage taking power supply component, i.e. the non-isolated step-down chip 109 and the 2 threshold value adjusting knobs 1071 and 1073, i.e. the main loop first rated adjusting circuit 101 and the main loop second rated adjusting circuit 102.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. A main/standby circuit switching device, comprising:
the system comprises a main loop first rated regulating circuit, a main loop second rated regulating circuit, an incoming line wiring terminal, a main loop relay, a standby loop relay and a control chip;
the contact of the main loop relay is connected to the main loop;
the contact of the standby loop relay is connected to the standby loop;
the main loop first rated regulating circuit is connected with the control chip and is set to provide a set first threshold value for controlling the opening and closing states of each loop to the control chip;
the main loop second rated regulating circuit is connected with the control chip and is set to provide a set second threshold value for controlling the opening and closing states of each loop to the control chip;
the incoming line wiring terminal is connected with the control chip and is set to output the current value of the main loop to the control chip;
and the coils of the main loop relay and the standby loop relay are connected to a control loop controlled by the control chip.
2. The apparatus of claim 1, wherein the control chip is configured to: and controlling the main loop relay to open and close the main loop and controlling the standby loop relay to open and close the standby loop according to the current value of the main loop and the first threshold and the second threshold.
3. The apparatus of claim 2, wherein the control chip is configured to: and when the current value is detected to exceed the first threshold value and be lower than the second threshold value, controlling the main loop relay to open a main loop and controlling the standby loop relay to close a standby loop.
4. The apparatus of claim 2, wherein the control chip is configured to: and when the current value is detected to exceed the second threshold value, controlling the main loop relay to close the main loop and controlling the standby loop relay to close the standby loop.
5. The apparatus of claim 2, wherein the control chip is configured to: when the current value is detected to be lower than the first threshold value, the control chip controls the main loop relay to open the main loop and controls the standby loop relay to open the standby loop.
6. The apparatus of claim 1, further comprising:
the current transformer is used for collecting the current value of the main loop output by the incoming line wiring terminal and sending the current value to the control chip;
the inlet wire binding post with control chip is connected includes: and the incoming line wiring terminal is connected with the control chip through the current transformer.
7. The apparatus of claim 6, further comprising:
embedding a wiring terminal;
and the embedded wiring terminal is respectively connected with the current transformer and the main loop relay.
8. The apparatus of claim 1, further comprising:
a buck chip configured to regulate an input voltage of the control chip;
the inlet wire binding post with control chip is connected includes: and the incoming line wiring terminal is connected with the control chip through the voltage reduction chip.
9. The apparatus of claim 1, further comprising:
an aluminum box housing;
and the first main loop rated regulating circuit, the second main loop rated regulating circuit, the incoming line wiring terminal, the main loop relay, the standby loop relay and the control chip are all arranged in the aluminum box shell.
10. The apparatus of claim 1, further comprising:
a main loop socket and a standby loop socket;
the main loop socket is connected with the main loop relay;
the standby loop socket is connected with the standby loop relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922138700.8U CN211456664U (en) | 2019-12-03 | 2019-12-03 | Main/standby circuit switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922138700.8U CN211456664U (en) | 2019-12-03 | 2019-12-03 | Main/standby circuit switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211456664U true CN211456664U (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922138700.8U Active CN211456664U (en) | 2019-12-03 | 2019-12-03 | Main/standby circuit switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211456664U (en) |
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2019
- 2019-12-03 CN CN201922138700.8U patent/CN211456664U/en active Active
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