CN211316577U - Anti-electric brake and water heater - Google Patents
Anti-electric brake and water heater Download PDFInfo
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- CN211316577U CN211316577U CN201921251581.0U CN201921251581U CN211316577U CN 211316577 U CN211316577 U CN 211316577U CN 201921251581 U CN201921251581 U CN 201921251581U CN 211316577 U CN211316577 U CN 211316577U
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Abstract
The utility model provides a prevent electric brake and water heater prevents electric brake and includes: the leakage protection power supply is arranged on the first circuit board; and the gas detection circuit is arranged on the second circuit board, wherein a gap with a preset distance exists between the first circuit board and the second circuit board, and the electric isolation between the leakage protection power supply and the gas detection circuit is realized. The utility model discloses a prevent that the electric brake sets up earth leakage protection power and gas detection circuitry respectively to two independent circuit boards on, makes the electrical clearance that has safety between the two, realizes electrical isolation to reduce the interference between the strong and weak electricity, guarantee electrical safety.
Description
Technical Field
The utility model relates to an electricity safety technical field, in particular to prevent electric brake and water heater.
Background
The leakage protection is also called as leakage protection, and refers to a leakage protection plug of an electric appliance. It is often provided in electrical consumers with large power and electrical consumers in contact with water, such as electric water heaters and gas water heaters. At present, part of the electricity-proof brake has a gas alarm function, namely, a gas detection device is added in the electricity-proof brake structure, so that the electricity-proof brake can monitor the content of harmful gas in the using process, and plays roles of reminding and protecting.
However, the leakage protection power supply in the electric-proof gate uses strong current for power supply, and the gas detection circuit uses weak current for power supply, and the leakage protection power supply and the gas detection circuit are not electrically isolated in the current electric-proof gate structure, so that strong current and weak current are easy to interfere with each other, and the electrical safety is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of above-mentioned technical problem at least.
Therefore, an object of the utility model is to provide a prevent electric brake, should prevent that electric brake does earth leakage protection power and gas detection circuitry respectively on two solitary circuit boards, makes between the two have safe electric clearance, realizes electrical isolation to reduce the interference between strong and weak electricity, guarantee electrical safety.
Therefore, the utility model discloses another aim at propose a water heater.
In order to achieve the above object, an aspect of the present invention provides an electricity-proof brake, including: the leakage protection power supply is arranged on the first circuit board; and the gas detection circuit is arranged on the second circuit board, wherein a gap with a preset distance exists between the first circuit board and the second circuit board, and the electric leakage protection power supply is electrically isolated from the gas detection circuit.
According to the utility model discloses a prevent electric brake sets up earth leakage protection power and gas detection circuitry respectively on two solitary circuit boards, makes the electric clearance that has safety between the two, and mutual independence realizes electrical isolation to reduce the interference between strong and weak electricity, guarantee electrical safety.
In addition, according to the utility model discloses above-mentioned electricity-proof brake can also have following additional technical characterstic:
in some examples, further comprising: and the leakage protection power supply is connected with the power panel of the water heater through the power line so as to supply power to the water heater through the power line.
In some examples, further comprising: and the gas detection circuit is connected with the power conversion circuit of the water heater through the signal wire, and after the water heater is electrified, the power is supplied to the gas detection circuit through the power conversion circuit and the signal wire.
In some examples, the gas detection circuit includes a plurality of gas sensors that can detect a plurality of hazardous gases.
In some examples, further comprising: and the alarm device is connected with the plurality of gas sensors and can alarm when the plurality of gas sensors detect at least one of the plurality of dangerous gases.
In some examples, the alarm device is integrated on the gas detection circuit.
In some examples, the alarm device is an audible and visual alarm.
In some examples, the gas detection circuit further comprises: and the signal sending module is connected with the plurality of gas sensors and can send an alarm signal to a power panel of the water heater when the plurality of gas sensors detect at least one of the plurality of dangerous gases.
In some examples, the earth leakage protection power supply includes: and the magnetic ring is used for monitoring the electric leakage of the power line.
In order to achieve the above object, another aspect of the present invention provides a water heater, provided with the present invention.
According to the utility model discloses a water heater sets up earth leakage protection power and gas detection circuitry respectively on two solitary circuit boards, makes the electrical clearance that has safety between the two, and mutual independence realizes electrical isolation to reduce the interference between the strong and weak electricity, guarantee electrical safety.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an electric brake according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following describes the electric brake and the water heater according to the embodiment of the present invention with reference to the attached drawings.
Fig. 1 is a schematic structural diagram of an electric brake according to an embodiment of the present invention. As shown in FIG. 1, the electricity-proof gate 100 includes: the leakage protection power supply 110 and the gas detection circuit 120.
The earth leakage protection power supply 110 is disposed on a first circuit board (e.g., a PCB).
The gas detection circuit 120 is disposed on a second circuit board (e.g., a PCB board).
And a gap with a preset distance exists between the first circuit board and the second circuit board, so that the electric leakage protection power supply is electrically isolated from the gas detection circuit. That is, the leakage protection power supply 110 and the gas detection circuit 120 are respectively disposed on two independent PCB boards, so as to isolate strong and weak currents and ensure a safe electrical distance, thereby reducing interference between the strong and weak currents and ensuring electrical safety.
In one embodiment of the present invention, as shown in fig. 1, the electricity-proof brake 100 further comprises a power line 130. The earth leakage protection power supply 110 is connected to the power board of the water heater through the power line 130 to supply power to the water heater, specifically, 220V ac power to the water heater, through the power line 130. It is understood that the power cord 130 may include a hot wire, a neutral wire, and a ground wire.
Further, the earth leakage protection power supply 110 may include a magnetic ring. The leakage protection power supply 110 monitors leakage of the power line 130 through the magnetic ring, thereby ensuring power supply safety.
In one embodiment of the present invention, as shown in fig. 1, the electricity-proof brake 100 further comprises a signal line 140. The gas detection circuit 120 is connected with a power conversion circuit of the water heater through the signal line 140, and after the water heater is powered on, the power conversion circuit and the signal line 140 supply power to the gas detection circuit 120, specifically, the power conversion circuit converts 220V alternating current into 5V direct current, and then the signal line 140 supplies power to the gas detection circuit 120. That is, the utility model discloses not directly be the gas detection circuitry 110 power supply through earth leakage protection power supply 110, but introduce low voltage DC power supply from the power supply converting circuit of water heater through signal line 140 in addition to need not to set up power supply converting circuit in preventing electric brake 100, saved the space of preventing electric brake 100, and guaranteed low voltage DC power supply's stability.
On the other hand, the signal line 140 is also used to realize communication between the gas detection circuit 120 and the water heater, i.e., mutual signal transmission.
In one embodiment of the present invention, the gas detection circuit 120 includes a plurality of gas sensors, which can detect a plurality of hazardous gases. The plurality of sensors includes, for example: a CO sensor, a CO + methane composite sensor and the like, namely, a mixed gas of CO, CO + methane and the like can be detected.
In one embodiment of the present invention, the electricity-proof brake 100 further comprises an alarm device (not shown in the figure). The alarm device is connected with the plurality of gas sensors and can give an alarm when the plurality of gas sensors detect at least one of the plurality of dangerous gases.
Specifically, the alarm device may be integrated on the gas detection circuit 120, so that the inner space of the electric brake may be saved.
Specifically, the alarm device is an audible and visual alarm, namely, sound and/or light alarm can be realized, so that the alarm reliability is improved.
In one embodiment of the present invention, the gas detection circuit 120 further comprises a signal transmission module (not shown). The signal sending module is connected with the plurality of gas sensors and can send an alarm signal to a power panel of the water heater when the plurality of gas sensors detect at least one of the plurality of dangerous gases. Therefore, after the power panel receives the alarm signal, corresponding alarm actions can be executed, such as: the blower of the water heater is turned on, the gas inlet valve of the water heater is turned off, the display panel of the water heater displays alarm fault codes, the buzzer alarms and the like, and the use safety of the water heater is improved.
As a specific embodiment, a water heater is taken as an example of a gas water heater, and the detailed description is given. In this embodiment, the electric-proof brake is connected to the gas water heater. The electricity-proof brake is composed of an electric leakage protection power supply, a gas detection circuit, a power line and a signal line. The power line is a power supply line for supplying 220V alternating current to the gas water heater by the electricity-proof brake, and the signal line is a line for supplying power to the gas detection circuit by the power panel of the gas water heater and communicating the gas detection circuit and the gas detection circuit.
The specific functional operation process of the electric brake is summarized as follows: the electricity-proof brake is inserted into 220V alternating current of a mains supply, an electric leakage protection power supply is connected into the 220V alternating current, electric leakage monitoring is carried out on three power lines of fire, zero and ground through the magnetic ring, if no electric leakage phenomenon exists, the 220V alternating current is transmitted to a power panel of the gas water heater through the power lines, the 220V alternating current is converted into 5V direct current through a power conversion circuit on the power panel, and then power supply work is carried out on a gas detection circuit in the electricity-proof brake through a signal line. When the gas detection circuit monitors dangerous gas, the alarm device on the gas detection circuit in the electricity-proof brake performs sound-light alarm, and simultaneously transmits an alarm signal to the power panel through a signal wire. The power panel executes corresponding alarm actions after receiving the alarm signal, such as: the blower of the machine is opened, the gas inlet valve of the machine is closed, the display panel displays an alarm fault code, and the buzzer alarms and the like.
The gas detection circuit includes a gas sensor, and a plurality of different gas sensors may be used. Different gas sensors are arranged to realize monitoring of different gases. For example, a CO sensor may be used to detect CO; or a CO + methane composite sensor can be used for simultaneously detecting the two gases.
That is, in the electricity-proof brake, the electricity supply and the electricity leakage protection, the gas detection, the alarm reminding and other functions are respectively completed by arranging the electricity leakage protection power supply and the gas detection circuit, and the strong electricity and the weak electricity are isolated by designing the two parts of circuits into two independent PCB boards, so that the safe electrical distance is ensured; in addition, the gas detection circuit is not directly supplied with power through the leakage protection power supply, but a low-voltage direct-current power supply is introduced from the power supply board end of the water heater through a signal wire, so that a power supply conversion circuit is prevented from being arranged in the anti-electric brake, the space of the anti-electric brake is saved, and the stability of the low-voltage direct-current power supply is ensured.
According to the utility model discloses a prevent electric brake sets up earth leakage protection power and gas detection circuitry respectively on two solitary circuit boards, makes the electric clearance that has safety between the two, and mutual independence realizes electrical isolation to reduce the interference between strong and weak electricity, guarantee electrical safety.
The utility model discloses a further embodiment has still provided a water heater, is provided with the utility model discloses the electricity-proof floodgate that any one of above-mentioned embodiment described. Therefore, the utility model discloses the concrete implementation of water heater of embodiment is similar with the utility model discloses the concrete implementation of the electricity-proof floodgate of embodiment specifically please see the description of electricity-proof floodgate part, for reducing redundancy, no longer gives details here.
According to the utility model discloses a water heater sets up earth leakage protection power and gas detection circuitry respectively on two solitary circuit boards, makes the electrical clearance that has safety between the two, and mutual independence realizes electrical isolation to reduce the interference between the strong and weak electricity, guarantee electrical safety.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An electricity-resistant brake, comprising:
the leakage protection power supply is arranged on the first circuit board;
a gas detection circuit disposed on the second circuit board, wherein,
and a gap with a preset distance exists between the first circuit board and the second circuit board, so that the electric leakage protection power supply is electrically isolated from the gas detection circuit.
2. The electricity damper as in claim 1, further comprising:
and the leakage protection power supply is connected with the power panel of the water heater through the power line so as to supply power to the water heater through the power line.
3. The electricity damper as in claim 2, further comprising:
and the gas detection circuit is connected with the power conversion circuit of the water heater through the signal wire, and after the water heater is electrified, the power is supplied to the gas detection circuit through the power conversion circuit and the signal wire.
4. The electric shock barrier of claim 1, in which the gas detection circuit comprises a plurality of gas sensors that can detect a plurality of hazardous gases.
5. The electric brake of claim 4, further comprising:
and the alarm device is connected with the plurality of gas sensors and can alarm when the plurality of gas sensors detect at least one of the plurality of dangerous gases.
6. The electric brake as claimed in claim 5, characterized in that said alarm means are integrated on said gas detection circuit.
7. The electric brake as claimed in claim 5 or 6, wherein the alarm means is an audible and visual alarm.
8. The electric brake of claim 4, wherein the gas detection circuit further comprises:
and the signal sending module is connected with the plurality of gas sensors and can send an alarm signal to a power panel of the water heater when the plurality of gas sensors detect at least one of the plurality of dangerous gases.
9. The anti-surge gate of claim 2, wherein the earth leakage protection power supply comprises:
and the magnetic ring is used for monitoring the electric leakage of the power line.
10. A water heater, characterized in that it is provided with an electric-break-proof brake as claimed in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921251581.0U CN211316577U (en) | 2019-08-02 | 2019-08-02 | Anti-electric brake and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921251581.0U CN211316577U (en) | 2019-08-02 | 2019-08-02 | Anti-electric brake and water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211316577U true CN211316577U (en) | 2020-08-21 |
Family
ID=72079359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921251581.0U Active CN211316577U (en) | 2019-08-02 | 2019-08-02 | Anti-electric brake and water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211316577U (en) |
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2019
- 2019-08-02 CN CN201921251581.0U patent/CN211316577U/en active Active
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