CN210517452U - Electric box capable of automatically identifying input voltage - Google Patents
Electric box capable of automatically identifying input voltage Download PDFInfo
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- CN210517452U CN210517452U CN201921577672.3U CN201921577672U CN210517452U CN 210517452 U CN210517452 U CN 210517452U CN 201921577672 U CN201921577672 U CN 201921577672U CN 210517452 U CN210517452 U CN 210517452U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model provides an electric box capable of automatically identifying input voltage, which comprises a box body, a voltage identification controller is installed in the box body, the input end of the voltage identification controller is connected with an input power line, the output end of the voltage identification controller is connected with the input end of a first relay and the input end of an auxiliary transformer, the output end of the first relay is connected with the input end of an isolation transformer, the output end of the isolation transformer is connected with the input end of a circuit breaker, the output end of the circuit breaker is connected with the input end of a second relay, the output end of the second relay is connected with a wiring terminal table, and the output end of the auxiliary transformer is connected with the input end of a time delay relay and a polarity socket; the utility model discloses thereby but automatic identification input voltage switch on for various lamp decoration power supplies, and no longer be subject to the restriction in certain area, certain voltage.
Description
Technical Field
The utility model relates to a voltage control technical field, in particular to automatic discernment input voltage's electric box.
Background
An electrical box for power distribution of landscape lamps, which is a power distribution power supply widely applied to small-sized places and providing indoor or outdoor decorative lamps in the United states, comprises indoor decorative lamps, outdoor garden lamps, street lamps, pool lamps and the like; the main application of the lamp is to be used as a power supply to provide power for indoor decorative lamps, outdoor garden lamps, street lamps, pool lamps and the like.
Electrical boxes in the prior art generally include a box body, an isolation transformer, a timer, a circuit breaker, a terminal block, an input power line, and the like. The electric box is used in different areas, input voltage cannot be automatically identified, the corresponding electric box needs to be purchased, universality is avoided, and user experience is poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the poor, the poor technical problem of user experience of electrical box commonality, provide an electrical box that can automatic identification input voltage, make the electrical box can use in the area of difference, possess the function that can automatic identification input voltage, provide stable safe supply voltage for various lighting apparatus.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
an electric box capable of automatically identifying input voltage comprises a box body, wherein a voltage identification controller is installed in the box body, the input end of the voltage identification controller is connected with an input power line, the output end of the voltage identification controller is connected with the input end of a high-voltage working line of a first relay and the input end of an auxiliary transformer, the output end of the high-voltage working line of the first relay is connected with the input end of an isolation transformer, the output end of the isolation transformer is connected with the input end of a circuit breaker, the output end of the circuit breaker is connected with the input end of the high-voltage working line of a second relay, the output end of the high-voltage working line of the second relay is connected with a wiring terminal table, the output end of the auxiliary transformer is connected with the input end of a time delay relay and a polarity socket, the time delay relay is connected with a low-voltage control circuit of the second relay, a connector is externally connected with the low-voltage control circuit of the first relay, and the connector is connected with two power lines.
Preferably, the polarity socket can be connected with two plug power lines to supply power to the low-voltage control circuit of the first relay.
Preferably, the polarity socket can be externally connected with a timer and then connected with two power plugging lines.
Preferably, the connector can be externally connected with a photosensitive sensing controller.
Preferably, when the connector does not need to be externally connected with the photosensitive sensing controller, a jumper wire of the connector needs to be connected into the connector.
Preferably, a thermistor needs to be connected in series between the output end of the high-voltage working line of the first relay and the input end of the isolation transformer, so as to play a role in preventing surge.
The utility model provides an automatic discernment input voltage's electric box possesses following beneficial effect:
(1) the utility model discloses a but electric box automatic identification input voltage, guarantee electric box no longer lead to the product unable to use because the voltage that the area difference used is different, needn't confine to certain voltage in certain area again, really let the electric box realize in the general of a plurality of areas such as america, europe, australia.
(2) The utility model discloses an electric box is when inputting one of them certain voltage of 120V 208V 230V 277V, power identification controller can the automatic identification voltage range, thereby ensure the relay actuation and supply power for isolation transformer, set for through timer or delay relay and open or close the time, after installing this automatic identification input voltage's electric box like this, can realize the automatic identification voltage, plan switch-on power according to the customization, give various lamp decoration power supply at appropriate time, the relay that uses also realizes the break-make through the photosensitive sensing controller of external connection connector, and then possess disconnection and the closure through control luminous flux realization circuit, save electric power, the waste of protection electric power resource.
(3) The utility model discloses a voltage of four kinds of formats of electrical box exportable 24V, 26V, 28V, 30V can select a suitable voltage level according to far and near the distance, prevents the not enough problem of landscape lamp supply voltage that the voltage loss that leads to because of the landscape lamp distance is far away, the circuit overlength arouses.
Drawings
Fig. 1 is a schematic diagram of the electrical box structure of the present invention;
FIG. 2 is a box body diagram of the electrical box of the present invention;
fig. 3 is a connection diagram of the electrical principle of the internal components of the electrical box according to the present invention;
fig. 4 is an electrical schematic design diagram of the electrical box internal voltage identification controller of the present invention.
In the figure: 1. a box body; 2. an isolation transformer; 3. a first relay; 4. a time delay relay; 5. a voltage identification controller; 6. a connector; 7. a circuit breaker; 8. a timer; 9. an auxiliary transformer; 10. a terminal block; 11. an input power line; 12. a metal plate; 13. a polarity socket; 14. a thermistor (NTC); 15. a second relay; 16. a pulse signal controller; 17. a connector jumper.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to fig. 3, the utility model provides a technical solution: an electric box for automatically identifying input voltage comprises a box body 1, a voltage identification controller 5 is installed in the electric box body, the input end of the voltage identification controller 5 is connected with an input power line 11, the electric supply with different voltage levels is led into the voltage identification controller 5 through the input power line 11, the voltage range is automatically identified through the voltage identification controller 5, simultaneously, a voltage level indicator lamp corresponding to the voltage identification controller 5 is lightened to supply power for an isolation transformer 2 and an auxiliary transformer 9, a first relay 3 and one or more thermistors (NTC)14 are connected in series with a circuit between the output end of the voltage identification controller 5 and the input end of the isolation transformer 2, the series thermistors (NTC)14 can play a role of preventing surge, and the number of the thermistors (NTC)14 can be set by the size of circuit current, the input end of the breaker 7 is connected with the output end of the isolation transformer 2, the input end of the second relay 15 is connected with the output end of the breaker 7, the wiring terminal block 10 is connected with the output end of the second relay 15, wherein the input end of the time delay relay 4 is externally connected with a pulse signal controller 16 and is connected with the output end of the auxiliary transformer 9, the output end of the time delay relay 4 is connected with a low-voltage control circuit of the second relay 15 for controlling the on and off of the second relay 15, the auxiliary transformer 9 is also externally connected with a polarity socket 13, the polarity socket 13 can be externally connected with a timer 8 for controlling the voltage input and off of two plug power lines, the two plug power lines are connected with the connector 6, the connector 6 can also be externally connected with a photosensitive sensor controller (when the connector 6 is not connected with the photosensitive sensor controller, a connector jumper 17 is required to be connected with the connector 6), a steady voltage output that is used for control circuit's closure and disconnection, the low voltage control circuit of first relay 3 then is connected with connector 6 place circuit to reach the circuit control to first relay 3, set up like this the utility model discloses a terminal block 10 can obtain four kinds of specifications of stable 24V, 26V, 28V, 30V.
It should be noted that the specification of the isolation transformer 2 adopted in the scheme is rated at 1200W power, the maximum current of the line where the second relay 15 is located can reach 50A, two groups of second relays 15 with the same specification are connected in parallel, so that the shunting effect is achieved, and the number of the second relays 15 needs to be reasonably arranged according to the current in the circuit; the voltage grades of the first relay 3 and the second relay 15 are different, the voltage grade of a control coil of the first relay 3 is controlled by adopting the 120V voltage grade, the voltage grade of a control coil of the second relay 15 is controlled by adopting the 24V voltage grade, the first relay 3 and the second relay 15 can also adopt relays with the same specification, and the difference is only that the voltage grades of the control coils are different.
The utility model discloses an electric box still embeds a metal sheet 12 to arrange time delay relay 4, voltage identification controller 5, connector 6, circuit breaker 7, timer 8, wiring terminal platform 10 on metal sheet 12, can dwindle the manufacturing volume of electric box greatly, make its structure compacter, the integrated level is higher, the indoor, outdoor use of being more convenient for reduces area.
As shown in fig. 4, for the electrical schematic diagram of the voltage identification controller 5 of the present invention, it can be manufactured by related enterprises according to the drawing, so as to be applied to the technical solution of the present invention.
The embodiment shown in fig. 1:
when the electric box of the utility model is used, the input power line 11 is connected with the commercial power, at the moment, the voltage identification controller 5 can automatically identify the input voltage to supply power for the auxiliary transformer 9, because the line where the isolation transformer 2 is located is connected with the first relay 3, when the first relay 3 is closed, the isolation transformer 2 can have the voltage to pass through, the two power lines are connected with the polarity socket 13, at the moment, the first relay 3 is closed, the voltage passing through the isolation transformer 2 enters the second relay 15 through the breaker 7, at the moment, the second relay 15 is closed through the control of the delay relay 4, the wiring terminal table 10 can obtain the voltage stabilization output of four specifications of 24V, 26V, 28V and 30V, when the polarity socket 13 is externally connected with the timer 8, the voltage passing through the two power lines can be switched on and off through the time set by the timer 8, the first relay 3 can be switched off or closed, the voltage passing through the isolation transformer 2 is also disconnected or closed, and when the connector 6 is externally connected with the photosensitive sensing controller, the voltage passing through the isolation transformer 2 is also in a disconnected or closed state in the same way; the auxiliary transformer 9 in this embodiment is not controlled by any relay, when the input power line 11 is connected to the input voltage, the auxiliary transformer 9 is always in a charged state, and is used for powering on a control circuit in the whole circuit, only when the first relay 3 is closed, the delay relay 4 can control the on-off of the second relay 15 to enable the terminal block to have voltage output, when the terminal block 10 has 24V voltage output, the external landscape lamp can be used for supplying power, and if some landscape lamps in one area are too far away from the electric box or the resistance of a transmission lead is too large, the auxiliary transformer 9 can be used for supplying power by adopting voltage stabilization higher than 24V voltage.
The specific circuit of the relay and the time delay relay is explained in detail:
1. the circuit of the relay is as follows: various voltage inputs and regulated voltage outputs of four specifications of 24V-30V.
The public end of the isolation transformer 2 is connected with the high-voltage working circuit of the first relay 3, the timer 8 or the photosensitive sensor controller is connected into the low-voltage control circuit of the first relay 3, the on-off of the main circuit of the isolation transformer 2 can be controlled through the timer 8 or the photosensitive sensor controller, the main circuit is connected with two thermistors (NTC)14 in series to play a role in preventing surge, the output end of the isolation transformer 2 is connected with the circuit breaker 7, then connected with the high-voltage working circuit of the second relay 15, and finally connected with the wiring terminal block 10, so that when any one voltage of 120V/208V/230V/277V is input, the output end of the wiring terminal block 10 can always obtain four regulated power supplies of 24V-30V, and the requirements of users are met.
2. The circuit of the delay relay: the on-off of the second relay is flexibly controlled, so that the electric box is more intelligent.
When the input voltage switches on the auxiliary transformer 9, the auxiliary transformer 9 supplies power to the delay relay 4, and simultaneously connects with the low-voltage control circuit of the second relay 15, and the functions of the delay relay 4 are partially explained as follows (wherein the delay time t can be freely set):
A. and opening the delay, wherein when the input voltage of the delay relay 4 is switched on, the output end delays for a set time t and then closes the circuit, when the input voltage is removed, the circuit is immediately switched off, and when the input voltage is switched on, the output end delays for a time t, and the steps are repeated.
B. And repeating the cycle, when the input voltage of the delay relay 4 is switched on, the output end delays for a time t, then the open circuit is closed, the circuit is switched off after the open circuit is closed for a set time t, and the cycle is repeated.
C. And closing the delay, when the input voltage of the delay relay 4 is switched on and the pulse controller 16 signal is also activated, the output end is closed, when the pulse controller 16 signal is removed, the output end is switched off after the delay time t, if the pulse controller 16 signal is removed, the pulse controller 16 signal is activated again within the time t, and the output end is continuously closed until the pulse controller 16 signal is removed and then the output is switched off again.
The time delay relay 4 has 10 working modes, and the above are 3 simple usages of the time delay relay 4.
It should be noted that the above mentioned is only a preferred embodiment of the present invention, and is not used to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or equally replace some of the technical features of them, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An electric box capable of automatically identifying input voltage comprises a box body and is characterized in that a voltage identification controller is installed in the box body, the input end of the voltage identification controller is connected with an input power line, the output end of the voltage identification controller is connected with the high-voltage working line input end of a first relay and the input end of an auxiliary transformer, the high-voltage working line output end of the first relay is connected with the input end of an isolation transformer, the output end of the isolation transformer is connected with the input end of a circuit breaker, the output end of the circuit breaker is connected with the high-voltage working line input end of a second relay, the high-voltage working line output end of the second relay is connected with a wiring terminal table, the output end of the auxiliary transformer is connected with the input end of a time delay relay and a polarity socket, and the time delay relay is externally connected with, the time delay relay is connected with a low-voltage control circuit of the second relay, a connector is externally connected with the low-voltage control circuit of the first relay, and the connector is connected with two power lines.
2. The electrical box of claim 1, wherein the polarity socket is connectable to two power cords for powering the low voltage control circuit of the first relay.
3. The electrical box of claim 2, wherein the polarity socket is connected to two power lines and is externally connected to a timer.
4. The electrical box of claim 1, wherein the connector is externally connected to a light sensitive sensor controller.
5. The electrical box of claim 4, wherein the connector is configured to be plugged into a jumper wire of the connector without an external photosensitive sensor controller.
6. The electrical box for automatically identifying input voltage as claimed in claim 1, wherein a thermistor is connected in series between the output end of the high-voltage working line of the first relay and the input end of the isolation transformer for preventing surge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921577672.3U CN210517452U (en) | 2019-09-21 | 2019-09-21 | Electric box capable of automatically identifying input voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921577672.3U CN210517452U (en) | 2019-09-21 | 2019-09-21 | Electric box capable of automatically identifying input voltage |
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| Publication Number | Publication Date |
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| CN210517452U true CN210517452U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921577672.3U Active CN210517452U (en) | 2019-09-21 | 2019-09-21 | Electric box capable of automatically identifying input voltage |
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| CN (1) | CN210517452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213576A (en) * | 2020-09-11 | 2021-01-12 | 北京空间飞行器总体设计部 | Polarity test method for electric heater for spacecraft |
-
2019
- 2019-09-21 CN CN201921577672.3U patent/CN210517452U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213576A (en) * | 2020-09-11 | 2021-01-12 | 北京空间飞行器总体设计部 | Polarity test method for electric heater for spacecraft |
| CN112213576B (en) * | 2020-09-11 | 2024-03-26 | 北京空间飞行器总体设计部 | Polarity testing method of electric heater for spacecraft |
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