CN205037200U - Daylight lamp - Google Patents

Abstract

The utility model provides a fluorescent lamp, which relates to the field of lamps. The fluorescent lamp includes a main fluorescent lamp, a spare fluorescent lamp, an electromagnetic relay and an ammeter, the main fluorescent lamp, the ammeter and the electromagnetic relay are connected in sequence, the spare fluorescent lamp is connected to the electromagnetic relay, and the spare fluorescent lamp is connected to the electromagnetic relay. The main fluorescent lamps are connected in parallel, and the ammeter is improved to achieve the purpose of controlling the electromagnetic relay. By using the electromagnetic relay as the secondary switch of the fluorescent lamp, the function of turning on the standby fluorescent lamp to emit light after the main fluorescent lamp is extinguished is realized, which improves the learning of students near the fluorescent lamp that is extinguished and the teacher’s understanding of the existing technology due to the accidental extinguishment of the fluorescent lamp. The problem of inconvenience caused by teaching.

Description

fluorescent lamp

technical field

The utility model relates to the field of lamps, in particular to a fluorescent lamp.

Background technique

At present, in all kinds of schools in China, students usually carry out teaching activities in the classroom, and at night, fluorescent lamps are used as a common lighting source to facilitate students' learning and teacher's teaching. Due to its own reasons or other factors, some fluorescent lamps may be damaged. Once the fluorescent lamp is damaged, the students in the area where the fluorescent lamp is located will be adversely affected during the learning process, and it will take a certain amount of time to replace the new fluorescent lamp. Student learning and teacher teaching will be severely affected during this period.

Utility model content

In view of this, the utility model provides a fluorescent lamp to improve the problem in the prior art that the fluorescent lamp is accidentally extinguished, which causes inconvenience to the students near the extinguished fluorescent lamp and the teacher's teaching.

In order to achieve the above object, the utility model provides the following technical solutions:

A fluorescent lamp, comprising a main fluorescent lamp, a spare fluorescent lamp, an electromagnetic relay and an ammeter, the main fluorescent lamp, the ammeter and the electromagnetic relay are connected in sequence, the spare fluorescent lamp is connected to the electromagnetic relay, and the spare fluorescent lamp is connected to the electromagnetic relay The main fluorescent lamps are connected in parallel;

The ammeter includes a dial and a pointer, the dial is provided with a first metal electrode and a second metal electrode respectively connected to the electromagnetic relay, the first metal electrode is also connected to the pointer, when the ampere When there is no current flowing through the watch, the pointer rotates and is connected with the second metal electrode.

When the main fluorescent lamp works normally, current flows through the main fluorescent lamp circuit, the pointer in the ammeter deflects, and does not contact the second metal electrode, the spare fluorescent lamp will not emit light, but the fluorescent lamp provided by the utility model is still can illuminate the user;

When the main fluorescent lamp is accidentally damaged and the circuit of the main fluorescent lamp part is disconnected, no current flows in the main fluorescent lamp circuit at this time, the above-mentioned pointer deflects to the other direction, and the above-mentioned pointer is in contact with the second metal electrode, so that the first metal electrode and the second metal electrode are in contact with each other. The metal electrodes are electrically connected, and the electromagnetic relay starts to work, and the electromagnetic relay controls the electric conduction of the circuit of the spare fluorescent lamp, so that the spare fluorescent lamp emits light. The fluorescent lamp provided by the utility model can also illuminate the user.

Further, the above fluorescent lamp further includes a lampshade, and a concave cavity is provided in the lampshade, and the main fluorescent lamp and the backup fluorescent lamp are arranged in the concave cavity of the lampshade.

The lampshade can not only be used to prevent the lamp tubes of fluorescent lamps and spare fluorescent lamps from being damaged due to shaking against the wall, but also can reflect the light emitted by the fluorescent lamps to the bottom of the lamp tubes to increase the brightness.

Further, the electromagnetic relay includes an electromagnetic relay contact piece, and the electromagnetic relay contact piece is electrically connected to the standby fluorescent lamp.

When the first metal electrode is electrically connected to the second metal electrode and the electromagnetic relay starts to work, the contacts of the electromagnetic relay will be closed to make the circuit of the spare fluorescent lamp electrically conductive, and the spare fluorescent lamp will illuminate the user.

Further, the above fluorescent lamp further includes a power supply, and the power supply is connected in parallel with the main fluorescent lamp and the standby fluorescent lamp. Such setting can ensure that the circuit of the main fluorescent lamp and the circuit of the standby fluorescent lamp are independent from each other and form a closed loop.

As an implementation manner, the power supply is an AC power supply. The household power supply is generally a 220-volt AC power supply, which is widely used and convenient.

Further, the above-mentioned fluorescent lamp further includes a manual switch, and the manual switch is connected to the spare fluorescent lamp.

When the spare fluorescent lamp is not needed to emit light, the circuit of the spare fluorescent lamp can be disconnected directly by turning off the above-mentioned manual switch, so as to prevent the spare fluorescent lamp from continuously emitting light due to accidental damage of the electromagnetic relay and wasting electric energy.

Further, in the above-mentioned fluorescent lamp, both the main fluorescent lamp and the backup fluorescent lamp are straight-tube fluorescent lamps.

Straight-tube fluorescent lamps are widely used and cheap, and when the main fluorescent lamp and the backup fluorescent lamps are all straight-tube fluorescent lamps, the installation is also very convenient.

Further, in the fluorescent lamp above, the casings of the main fluorescent lamp and the spare fluorescent lamp are made of glass.

The light tube made of glass has good light transmittance and low price, and is a common material for fluorescent tubes on the market.

Further, the inner walls of the main fluorescent lamp and the spare fluorescent lamp are coated with phosphor layer.

Phosphor powder can make part of the ultraviolet light emitted by the light source be excited by the phosphor powder to emit visible light, so that the luminous efficiency of the fluorescent lamp is higher.

Further, the materials of the first metal electrode and the second metal electrode are both copper. The price of copper is lower, the resistance is small, and the conductive effect is good.

Compared with the prior art, the utility model includes the following beneficial effects:

The utility model provides a fluorescent lamp, comprising a main fluorescent lamp, a spare fluorescent lamp, an electromagnetic relay and an ammeter, the main fluorescent lamp, the ampere meter and the electromagnetic relay are connected in sequence, the spare fluorescent lamp is connected to the electromagnetic relay, The spare fluorescent lamp is connected in parallel with the main fluorescent lamp;

The ammeter includes a dial and a pointer, the dial is provided with a first metal electrode and a second metal electrode respectively connected to the electromagnetic relay, the first metal electrode is also connected to the pointer, when the ampere When there is no current flowing through the watch, the pointer rotates and is connected with the second metal electrode.

When the main fluorescent lamp is working normally, there is current flowing in the circuit of the main fluorescent lamp, the contacts in the electromagnetic relay are disconnected, the spare fluorescent lamp will not emit light, and the fluorescent lamp provided by the utility model can illuminate the user; When the circuit of the main fluorescent lamp is disconnected, there is no current flowing in the circuit of the main fluorescent lamp at this time, and the contacts in the electromagnetic relay are closed, so that the circuit of the spare fluorescent lamp is electrically conducted, and the spare fluorescent lamp emits light to illuminate the user.

The utility model uses the electromagnetic relay as the secondary switch of the fluorescent lamp to realize the function that after the main fluorescent lamp is extinguished, the spare fluorescent lamp is turned on and emits light, which improves the learning and learning of students near the fluorescent lamp that is extinguished due to the accidental extinguishment of the fluorescent lamp in the prior art. The problem of inconvenience caused by the teacher's teaching.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structure diagram after the installation of the fluorescent lamp provided by the embodiment of the utility model;

Fig. 2 is the circuit diagram of the fluorescent lamp provided by the utility model embodiment;

Fig. 3 is a schematic diagram of the internal structure of the ammeter of the fluorescent lamp provided by the embodiment of the present invention.

The reference signs are summarized as follows:

Main fluorescent lamp 101; spare fluorescent lamp 102; lampshade 103; electromagnetic relay 104; electromagnetic relay contacts 105; ammeter 106; pointer 107; first metal electrode 108;

detailed description

At present, in all kinds of schools in China, students usually carry out teaching activities in the classroom, and at night, fluorescent lamps are used as a common lighting source to facilitate students' learning and teacher's teaching. Due to its own reasons or other factors, some fluorescent lamps may be damaged. Once the fluorescent lamp is damaged, the students in the area where the fluorescent lamp is located will be adversely affected during the learning process, and it will take a certain amount of time to replace the new fluorescent lamp. Student learning and teacher teaching will be severely affected during this period.

In view of the above situation, the utility model provides a fluorescent lamp, which improves the deficiencies in the prior art.

The utility model will be described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.

Please refer to Fig. 1 to Fig. 3, the utility model embodiment provides a kind of fluorescent lamp, comprises main fluorescent lamp 101, spare fluorescent lamp 102, electromagnetic relay 104 and ampere meter 106, and ampere meter 106 has also made corresponding improvement, described main fluorescent lamp 101 , the ammeter 106 and the electromagnetic relay 104 are connected sequentially, the spare fluorescent lamp 102 is connected to the electromagnetic relay 104, and the spare fluorescent lamp 102 is connected in parallel with the main fluorescent lamp 101, which can ensure the circuit and backup of the main fluorescent lamp 101 The circuits of the fluorescent lamps 102 are independent from each other to form a closed loop;

The ammeter 106 includes a dial and a pointer 107, the dial is provided with a first metal electrode 108 and a second metal electrode 109, and the first metal electrode 108 and the second metal electrode 109 are electrically connected to the electromagnetic relay 104 respectively , the first metal electrode 108 is also connected with the pointer 107, when the ammeter 106 has no current passing through, the pointer 107 rotates and is connected with the second metal electrode 109, so that the circuit conductance of the standby fluorescent lamp 102 Pass.

Specifically, when the main fluorescent lamp 101 works normally, current flows in the circuit of the main fluorescent lamp 101, the pointer 107 in the ammeter 106 deflects, and does not contact the second metal electrode 109, and the standby fluorescent lamp 102 will not emit light. , but the fluorescent lamp provided by the embodiment of the utility model can still illuminate the user.

When the main fluorescent lamp 101 is accidentally damaged and the circuit of the main fluorescent lamp 101 is disconnected, no current flows in the circuit of the main fluorescent lamp 101 at this time, the pointer 107 deflects to the other direction, and the pointer 107 contacts the second metal electrode 109, so that the first The metal electrode 108 is electrically connected to the second metal electrode 109, the electromagnetic relay 104 starts to work, the electromagnetic relay contact piece 105 is connected to the circuit of the spare fluorescent lamp 102, and the circuit of the spare fluorescent lamp 102 is electrically conducted, so that the spare fluorescent lamp 102 emits light. The fluorescent lamp provided by the example can also illuminate the user.

Further, the fluorescent lamp provided by the embodiment of the present utility model also includes a lampshade 103, and a concave cavity (not shown in the figure) is arranged in the lampshade 103, and the main fluorescent lamp 101 and the spare fluorescent lamp 102 are arranged on the lampshade 103 in the cavity.

The lampshade 103 can be used to prevent the lamp tubes of the main fluorescent lamp 101 and the spare fluorescent lamp 102 from being damaged due to shaking against the wall. , the brightness of the light can be increased under the same power consumption.

In this embodiment, the power source used is an AC power source. Specifically, the power source used is a 220-volt AC power used in households. In other specific implementation manners, other power sources, such as a DC power source, may also be used.

This embodiment also provides a manual switch (not shown in the figure), the manual switch is connected with the spare fluorescent lamp 102, and the manual switch is used for when the spare fluorescent lamp 102 does not need to emit light, the user can directly close the above-mentioned manual switch, so that The circuit of the spare fluorescent lamp 102 is disconnected to prevent the accidental damage of the electromagnetic relay 104, and the spare fluorescent lamp 102 will emit light for a long time, causing unnecessary waste of electric energy and saving resources.

Preferably, for the convenience of installation and aesthetic appearance, the main fluorescent lamp 101 and the spare fluorescent lamp 102 are fluorescent lamps of the same type.

In this embodiment, both the main fluorescent lamp 101 and the spare fluorescent lamp 102 are straight-tube fluorescent lamps, which are widely used and cheap, and when the main fluorescent lamp 101 and the spare fluorescent lamp 102 are both straight-tube fluorescent lamps, the installation It is also very convenient. In other specific implementation manners, the main fluorescent lamp 101 and the backup fluorescent lamp 102 can also use other fluorescent lamps, for example, ring fluorescent lamps.

Further, the inner walls of the main fluorescent lamp 101 and the backup fluorescent lamp 102 are coated with phosphor layer. Phosphor powder can make part of the ultraviolet light emitted by the light source be excited by the phosphor powder to emit visible light, so that the luminous efficiency of the fluorescent lamp is higher.

Further, the first metal electrode 108 and the second metal electrode 109 are made of copper. The price of copper is lower, the resistance is small, and the conductive effect is good. ,

In summary, a fluorescent lamp provided by the utility model includes a main fluorescent lamp, a spare fluorescent lamp, an electromagnetic relay and an ammeter, the main fluorescent lamp, the ammeter and the electromagnetic relay are connected in sequence, and the spare fluorescent lamp is connected to the The electromagnetic relay is connected, the spare fluorescent lamp is connected in parallel with the main fluorescent lamp, and the ammeter is improved, the first metal electrode and the second metal electrode are set in the ammeter, and the ammeter is directly connected with the main fluorescent lamp, because The main fluorescent lamp has two states of power-on and power-off, and the electromagnetic relay is controlled by the pointer in the ammeter to control the luminescence of the standby fluorescent lamp.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model. It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product of the utility model is used. It is only for the convenience of describing the utility model and simplifying the description, rather than Any indication or implication that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should not be construed as limiting the invention.

In the description of the present utility model, it should also be noted that, unless otherwise specified and limited, the terms "setting", "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection , can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediary, and can be internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Claims (10)

1. a fluorescent lamp, it is characterized in that, comprise Lord's Day light modulation, fluorescent lamp for subsequent use, electromagnetic relay and ammeter, described Lord's Day light modulation, described ammeter and described electromagnetic relay connect successively, described fluorescent lamp for subsequent use is connected with described electromagnetic relay, and described fluorescent lamp for subsequent use is in parallel with described Lord's Day light modulation;

Described ammeter comprises dial plate and pointer, the first metal electrode and the second metal electrode that are connected with described electromagnetic relay is respectively provided with in described dial plate, described first metal electrode is also connected with described pointer, when described ammeter do not have electric current by time, described indicators turn is also connected with described second metal electrode.

2. fluorescent lamp according to claim 1, is characterized in that, also comprises lampshade, is provided with a cavity in described lampshade, described Lord's Day light modulation and described fluorescent lamp for subsequent use be arranged in the cavity of described lampshade.

3. fluorescent lamp according to claim 2, is characterized in that, described electromagnetic relay comprises electromagnetic relay contact, and described electromagnetic relay contact is electrically connected with described fluorescent lamp for subsequent use.

4. fluorescent lamp according to claim 3, is characterized in that, also comprises power supply, described power supply with described Lord's Day light modulation and described fluorescent lamp for subsequent use in parallel.

5. fluorescent lamp according to claim 4, is characterized in that, described power supply is AC power.

6., according to the arbitrary described fluorescent lamp of claim 1-5, it is characterized in that, also comprise hand switch, described hand switch is connected with described fluorescent lamp for subsequent use.

7. fluorescent lamp according to claim 6, is characterized in that, described Lord's Day light modulation and described fluorescent lamp for subsequent use be Straight fluorescent lamp.

8. fluorescent lamp according to claim 7, is characterized in that, described Lord's Day light modulation and the material of shell of described fluorescent lamp for subsequent use be glass.

9. fluorescent lamp according to claim 8, is characterized in that, described Lord's Day light modulation and the inwall of described fluorescent lamp for subsequent use be coated with phosphor powder layer.

10. fluorescent lamp according to claim 9, is characterized in that, the material of described first metal electrode and described second metal electrode is copper.