CN217062730U - Safety connection terminal base - Google Patents
Safety connection terminal base Download PDFInfo
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- CN217062730U CN217062730U CN202220748989.4U CN202220748989U CN217062730U CN 217062730 U CN217062730 U CN 217062730U CN 202220748989 U CN202220748989 U CN 202220748989U CN 217062730 U CN217062730 U CN 217062730U
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- control circuit
- input control
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- resistor
- power supply
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Abstract
The utility model discloses a wiring terminal base with insurance, which comprises a terminal base, an input control connecting terminal, a power output connecting terminal and a control circuit, wherein the input control connecting terminal is used for being connected with an input control power supply; the power supply output connecting terminal is used for outputting a power supply; the control circuit comprises an input control circuit and an output control circuit, the input control circuit is connected with the input control connecting terminal, the input control circuit is used for controlling the conduction of the output control circuit according to the input control power supply so as to control the output of the power supply, a fuse FU0 is arranged on the control circuit, and the control circuit performs overcurrent blowout protection on the power supply. The safety fuse is added to the output control circuit loop respectively, and the fuse is timely fused when the circuit receives large current, so that the safety of the circuit is protected, and the safety of the circuit is improved.
Description
Technical Field
The utility model relates to a binding post technical field especially relates to a take insurance connection terminal seat.
Background
The connecting terminal is used for conducting control on a power supply, and some power supply voltages are high-voltage power supplies, such as 220V power supplies, which can cause electric shock of a human body and have certain dangerousness, so that direct control cannot be directly carried out through the conducting switch, and indirect control needs to be carried out through the connecting terminal. In the prior art, a terminal is not provided with a safety fuse generally, and when a load is overloaded or short-circuited, a large rush current is generated, a terminal circuit is directly burnt out, and a serious person or a fire disaster is likely to be generated.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the present invention is to provide a terminal block with safety.
In order to achieve the above object, an embodiment of the present invention provides an insurance-equipped connection terminal base, which includes:
a terminal base;
the input control connecting terminal is arranged on the terminal seat and is used for being connected with an input control power supply;
the power output connecting terminal is arranged on the terminal seat and used for outputting power supply;
the control circuit comprises an input control circuit and an output control circuit, the input control circuit is connected with the input control connecting terminal, the output control circuit is connected with the power output connecting terminal, the input control circuit is used for controlling the conduction of the output control circuit according to the input control power supply so as to control the output of the power supply, a fuse FU0 is arranged on the control circuit, and the control circuit is connected with the power output connecting terminal through the fuse so as to perform overcurrent blowout protection on the power supply.
Further, according to an embodiment of the present invention, the output control circuit further includes:
the controlled end of the bidirectional diode IC300 is connected with the input control circuit, the first power end of the bidirectional diode is connected with one end of the power output connecting terminal, and the second power end of the bidirectional diode IC300 is connected with the second end of the power output connecting terminal through the fuse tube, so that the conduction control output of the power supply is performed under the control of the input control circuit.
Further, according to an embodiment of the present invention, the output control circuit further includes:
a capacitor C0, one end of the capacitor C0 being connected to the second power supply terminal of the bidirectional diode IC 300;
one end of the resistor R600 is connected to the other end of the capacitor C0, and the other end of the resistor R600 is connected to the first power terminal of the bidirectional diode IC 300.
Further, according to an embodiment of the present invention, the output control circuit further includes:
a diode L100, a cathode of the diode L100 being connected to one end of the fuse FU 0;
one end of the resistor R400 is connected to the anode of the diode L100, and the other end of the resistor R400 is connected to one end of the fuse FU 0.
Further, according to an embodiment of the present invention, the input control circuit includes: the control circuit comprises an optocoupler ICO and an optocoupler driving circuit, wherein a controlled end of a bidirectional diode IC300 is connected with a first end of a bidirectional diode end of the optocoupler IC0 through a resistor R500, a second end of the bidirectional diode end of the optocoupler IC0 is connected with a first power supply end of the bidirectional diode IC300, an anode end of a light emitting diode of the optocoupler IC0 is connected with a first control end of an input control connecting terminal, and a cathode end of the light emitting diode of the optocoupler IC0 is connected with a second control end of the input control connecting terminal through the optocoupler driving circuit.
Further, according to the utility model discloses an embodiment, the opto-coupler drive circuit includes:
a triode IC100, wherein a collector of the triode IC100 is connected with a cathode of a light emitting diode of the optocoupler IC 0;
one end of the resistor R200 is connected with the emitter of the triode IC 100;
a resistor R0, one end of the resistor R0 being connected to the other end of the resistor R200, the other end of the resistor R0 being connected to the second control end of the input control connection terminal;
the resistor R100, the one end of resistor R100 with triode IC 100's base is connected, the other end of resistor R100 with input control connecting terminal the first control end is connected.
Further, according to the utility model discloses an embodiment, input control circuit still includes:
the diode D10, wherein the anode of the diode D10 is connected with the base of the triode IC 100;
a diode D11, the anode of the diode D11 is connected with the cathode of the diode D10, and the cathode of the diode D11 is connected with the other end of the resistor R200.
Further, according to an embodiment of the present invention, the input control circuit further includes:
a light emitting diode L0, an anode of the light emitting diode L0 being connected to the first control terminal of the input control connection terminal;
and a resistor R300, one end of the resistor R300 being connected to the cathode of the light emitting diode L0, and the other end of the resistor R300 being connected to the second control terminal of the input control connection terminal.
Further, according to the utility model discloses an embodiment, input control power supply input voltage is 24V control voltage, power supply output voltage is the 220V alternating current, the protective tube rated voltage electric current is 220V/5A.
Further, according to an embodiment of the present invention, the fuse is installed in the terminal base in a self-locking fixing manner;
the input control connecting terminal and the power output connecting terminal are respectively provided with 8.
The embodiment of the utility model provides a take insurance wiring terminal seat, through input control connecting terminal setting on the terminal seat, input control connecting terminal is used for being connected with the input control power; the power output connecting terminal is arranged on the terminal seat and used for outputting a power supply; the control circuit comprises an input control circuit and an output control circuit, the input control circuit is connected with the input control connecting terminal, the output control circuit is connected with the power output connecting terminal, the input control circuit is used for controlling the conduction of the output control circuit according to the input control power supply so as to control the output of the power supply, a fuse FU0 is arranged on the control circuit, and the control circuit is connected with the power output connecting terminal through the fuse to carry out overcurrent blowout protection on the power supply. Through having increased safety tube respectively in output control circuit return circuit, when receiving big electric current, in time fusing to protect the safety of circuit, increased the security of circuit, 8 way terminal platforms of joinable.
Drawings
Fig. 1 is a schematic structural view of a connection terminal base with a safety provided in an embodiment of the present invention;
fig. 2 is a structural diagram of a control circuit provided by the embodiment of the present invention.
Reference numerals are as follows:
a terminal base 10;
an input control connection 101;
a power output connection 102;
a fuse tube 20.
The purpose of the present invention is to provide a portable electronic device, which can be easily and conveniently operated.
Detailed Description
In order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1 and 2, an embodiment of the present invention provides a terminal block 10 with fuse, including: the terminal comprises a terminal base 10, an input control connecting terminal 101, a power supply output connecting terminal 102 and a control circuit, wherein the input control connecting terminal 101 is arranged on the terminal base 10, and the input control connecting terminal 101 is used for being connected with an input control power supply; the power output connection terminal 102 is arranged on the terminal block 10, and the power output connection terminal 102 is used for outputting power supply; in an embodiment of the present invention, the input control power input voltage is a 24V control voltage, and the power supply output voltage is a 220V ac. When the power supply is used, the input power supply is controlled to be disconnected and connected, so that the on-off control of the input power supply can be realized. Thus, the input control connection terminal 101 can realize indirect control of the power supply. On one hand, when the power supply voltage is high voltage, the safety is improved; on the other hand, when the power supply is a low-voltage weak power supply, the interference to the power supply is reduced, and the influence of pulse interference signals generated instantaneously by the power switch on the power supply and electronic equipment connected to the power supply is reduced.
The control circuit comprises an input control circuit and an output control circuit, the input control circuit is connected with the input control connection end 101, the output control circuit is connected with the power output connection end 102, the input control circuit is used for controlling the conduction of the output control circuit according to the input control power supply so as to control the output of the power supply, a fuse FU0(20) or a fuse is arranged on the control circuit, and the control circuit is connected with the power output connection end 102 through the fuse FU 20 so as to perform overcurrent blowout protection on the power supply. The fuse tube FU0(20) is arranged on the loop of the output control circuit, so that the loop current of the output control circuit can be subjected to overcurrent protection through the fuse tube 20, and due to the addition of the safety fuse tube 20, the fuse tube can be timely fused when being subjected to large current, so that the safety of the circuit is protected. In one embodiment of the present invention, the rated voltage and current of the fuse 20 is 220V/5A.
The embodiment of the utility model provides a take insurance connection terminal seat 10, through input control link 101 on setting up on said terminal seat 10, said input control link 101 is used for connecting with the input control power; a power output connection terminal 102 is arranged on the terminal block 10, and the power output connection terminal 102 is used for outputting power supply; the control circuit comprises an input control circuit and an output control circuit, the input control circuit is connected with the input control connection end 101, the output control circuit is connected with the power output connection end 102, the input control circuit is used for controlling the conduction of the output control circuit according to the input control power supply so as to control the output of the power supply, a fuse FU0(20) is arranged on the control circuit, and the control circuit is connected with the power output connection end 102 through the fuse FU 20 so as to perform overcurrent blowout protection on the power supply. The safety fuse 20 is added to the output control circuit loop respectively, and the fuse can be fused in time when the circuit receives large current, so that the safety of the circuit is protected, the safety of the circuit is improved, and the connectable 8-way terminal platform is provided.
Referring to fig. 2, the output control circuit further includes: and a controlled terminal of the bidirectional diode IC300 is connected to the input control circuit, a first power terminal of the bidirectional diode is connected to one terminal of the power output connection terminal 102, and a second power terminal of the bidirectional diode IC300 is connected to a second terminal of the power output connection terminal 102 through the fuse FU0(20) to perform conduction control output of the power supply under the control of the input control circuit. As shown in fig. 2, the bidirectional diode IC300 is disposed on a loop of a power supply, so that the power supply loop can be switched. Specifically, a control signal is output to the controlled terminal of the bidirectional diode IC300 through the input control circuit, the bidirectional diode IC300 is turned on, and the power supply is output through the bidirectional diode IC300 and the fuse FU0(20), so as to supply power to the device connected to the power output connection terminal 102.
The output control circuit further includes: a capacitor C0 and a resistor R600, one end of the capacitor C0 being connected to the second power supply terminal of the bidirectional diode IC 300; one end of the resistor R600 is connected to the other end of the capacitor C0, and the other end of the resistor R600 is connected to the first power terminal of the bidirectional diode IC 300. The capacitor C0 and the resistor R600 can form a filter circuit, so that part of high-voltage pulse signals can be filtered and absorbed, and the influence and damage of the pulse signals on the circuit can be avoided.
The output control circuit further includes: a diode L100 and a resistor R400, wherein the cathode of the diode L100 is connected with one end of the fuse FU0 (20); one end of the resistor R400 is connected to the anode of the diode L100, and the other end of the resistor R400 is connected to one end of the fuse FU0 (20). The state of the circuit can be indicated by the diode L100 and the resistor R400. For example, when fuse FU0(20) is operating normally, diode L100 and resistor R400 are shorted, and diode L100 is not emitting light. When the fuse FU0(20) is disconnected, the current charging diode L100 and the resistor R400 are short-circuited, and the current charging diode L100 is turned on. The status of fuse FU0 may be indicated. The resistor R400 can be a large resistor of 150K ohms, so that after the fuse FU0(20) is disconnected, the output current is very small, and the safety is ensured.
The input control circuit includes: the control end of the bidirectional diode IC300 is connected with the first end of the bidirectional diode end of the optical coupler IC0 through a resistor R500, the second end of the bidirectional diode end of the optical coupler IC0 is connected with the first power supply end of the bidirectional diode IC300, the anode end of the light-emitting diode of the optical coupler IC0 is connected with the first control end of the input control connection end 101, and the cathode end of the light-emitting diode of the optical coupler IC0 is connected with the second control end of the input control connection end 101 through the optical coupler driving circuit. Specifically, the optocoupler ICO is driven by an optocoupler driving circuit to emit light, and then the optocoupler ICO is used for controlling the bidirectional diode IC 300. Wherein, the opto-coupler drive circuit includes: the circuit comprises a triode IC100, a resistor R200, a resistor R0 and a resistor R100, wherein a collector of the triode IC100 is connected with a cathode of a light emitting diode of the optocoupler IC 0; one end of the resistor R200 is connected with an emitting electrode of the triode IC 100; one end of the resistor R0 is connected to the other end of the resistor R200, and the other end of the resistor R0 is connected to the second control terminal of the input control connection terminal 101; one end of the resistor R100 is connected to the base of the triode IC100, and the other end of the resistor R100 is connected to the first control end of the input control connection terminal 101. Specifically, when the input control connection terminal 101 is connected to the input control power supply, a driving current is generated between the base and the emitter of the transistor IC100, and the driving current conducts between the collector and the emitter of the transistor IC100, so that the light emitting diode of the optocoupler ICO emits light, and the light emitting diode of the optocoupler ICO emits light, so that the bidirectional diode terminal of the optocoupler ICO is conducted, and thus, a conduction signal is given to the control terminal of the bidirectional diode IC 300. The bidirectional diode IC300 is turned on, thereby achieving indirect conduction control of conduction of the bidirectional diode IC 300. The resistor R200, the resistor R0, and the resistor R100 limit the current of the drive circuit.
The input control circuit further comprises: a diode D10 and a diode D11, wherein the anode of the diode D10 is connected with the base of the triode IC 100; the anode of the diode D11 is connected to the cathode of the diode D10, and the cathode of the diode D11 is connected to the other end of the resistor R200. The diode D10 and the diode D11 are connected in series between the base of the triode IC100 and the other end of the resistor R200. With the forward turn-on voltage characteristics of the diode D10 and the diode D11, the voltage between the base of the transistor IC100 and the other end of the resistor R200 can be clamped within 2 times the turn-on voltage range of the diode. When the current of the optocoupler ICO is generated at the base of the triode IC100, the current is clamped at a set value, and the optocoupler is prevented from being burnt out by large current.
The input control circuit includes: a light emitting diode L0 and a resistor R300, an anode of the light emitting diode L0 being connected to the first control terminal of the input control connection terminal 101; one end of the resistor R300 is connected to the cathode of the light emitting diode L0, and the other end of the resistor R300 is connected to the second control end of the input control connection terminal 101. The light emitting diode L0 and the resistor R300 constitute an indication circuit, and can indicate the state of the input control power supply. For example, when the input control connection terminal 101 is connected to the input control power, a current is generated between the light emitting diode L0 and the resistor R300, and the light emitting diode L0 emits light. In contrast, when the input control connection terminal 101 is not connected to the input control power source, the light emitting diode L0 is turned off.
Referring to fig. 1, in an embodiment of the present invention, the fuse tube 20 is installed in the terminal base 10 in a self-locking fixing manner; through the screwless pressing self-locking type wiring mode, the infirm screw fixation and the trouble of installation are avoided. The number of the input control connecting ends 101 and the number of the power output connecting ends 102 are respectively 8. 8-path power supply output control can be realized through 8 input control connecting terminals 101 and power supply output connecting terminals 102.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing detailed description, or equivalent replacements may be made for some of the technical features of the embodiments. All utilize the equivalent structure that the specification and the attached drawing content of the utility model were done, direct or indirect application is in other relevant technical field, all the same reason is within the utility model discloses the patent protection within scope.
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.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.
Claims (10)
1. An area insurance binding post seat, its characterized in that includes:
a terminal base;
the input control connecting terminal is arranged on the terminal seat and is used for being connected with an input control power supply;
the power output connecting terminal is arranged on the terminal seat and is used for outputting a power supply;
the control circuit comprises an input control circuit and an output control circuit, the input control circuit is connected with the input control connecting terminal, the output control circuit is connected with the power output connecting terminal, the input control circuit is used for controlling the conduction of the output control circuit according to the input control power supply so as to control the output of the power supply, the control circuit is provided with a fuse FU0, and the control circuit is connected with the power output connecting terminal through the fuse so as to carry out overcurrent blowout protection on the power supply.
2. The fused connection terminal block of claim 1, wherein the output control circuit further comprises:
and the controlled end of the bidirectional diode IC300 is connected with the input control circuit, the first power end of the bidirectional diode is connected with one end of the power output connecting terminal, and the second power end of the bidirectional diode IC300 is connected with the second end of the power output connecting terminal through the fuse tube so as to conduct and control output of the power supply under the control of the input control circuit.
3. The fused connection terminal block of claim 2, wherein the output control circuit further comprises:
a capacitor C0, one end of the capacitor C0 being connected to the second power supply terminal of the bidirectional diode IC 300;
one end of the resistor R600 is connected to the other end of the capacitor C0, and the other end of the resistor R600 is connected to the first power terminal of the bidirectional diode IC 300.
4. The fused connection terminal block of claim 2, wherein the output control circuit further comprises:
a diode L100, a cathode of the diode L100 being connected to one end of the fuse FU 0;
one end of the resistor R400 is connected to the anode of the diode L100, and the other end of the resistor R400 is connected to one end of the fuse FU 0.
5. The fused connection terminal block of any one of claims 2 to 4, wherein the input control circuit comprises: the control circuit comprises an optocoupler ICO and an optocoupler driving circuit, wherein a controlled end of a bidirectional diode IC300 is connected with a first end of a bidirectional diode end of the optocoupler IC0 through a resistor R500, a second end of the bidirectional diode end of the optocoupler IC0 is connected with a first power supply end of the bidirectional diode IC300, an anode end of a light emitting diode of the optocoupler IC0 is connected with a first control end of an input control connecting terminal, and a cathode end of the light emitting diode of the optocoupler IC0 is connected with a second control end of the input control connecting terminal through the optocoupler driving circuit.
6. The fused connection terminal block of claim 5, wherein the optocoupler drive circuit comprises:
a collector of the triode IC100 is connected with a cathode of a light emitting diode of the optocoupler IC 0;
one end of the resistor R200 is connected with the emitter of the triode IC 100;
a resistor R0, one end of the resistor R0 being connected to the other end of the resistor R200, the other end of the resistor R0 being connected to the second control end of the input control connection terminal;
the resistor R100, the one end of resistor R100 with triode IC 100's base is connected, the other end of resistor R100 with input control connects terminal the first control end is connected.
7. The fused connection terminal block of claim 6, wherein the input control circuit further comprises:
the diode D10, the anode of the diode D10 is connected with the base of the triode IC 100;
a diode D11, wherein the anode of the diode D11 is connected to the cathode of the diode D10, and the cathode of the diode D11 is connected to the other end of the resistor R200.
8. The fused connection terminal block of claim 6, wherein the input control circuit further comprises:
a light emitting diode L0, an anode of the light emitting diode L0 being connected to the first control terminal of the input control connection terminal;
and one end of the resistor R300 is connected with the cathode of the light-emitting diode L0, and the other end of the resistor R300 is connected with the second control end of the input control connection terminal.
9. The fused connection terminal block of claim 6, wherein the input control power supply input voltage is 24 volts, the power supply output voltage is 220 volts ac, and the fuse rated voltage current is 220V/5A.
10. The connection terminal block with insurance of claim 6, wherein the insurance tube is installed in the terminal block by self-locking type fixing;
the input control connecting terminal and the power output connecting terminal are respectively provided with 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220748989.4U CN217062730U (en) | 2022-04-01 | 2022-04-01 | Safety connection terminal base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220748989.4U CN217062730U (en) | 2022-04-01 | 2022-04-01 | Safety connection terminal base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217062730U true CN217062730U (en) | 2022-07-26 |
Family
ID=82469438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220748989.4U Active CN217062730U (en) | 2022-04-01 | 2022-04-01 | Safety connection terminal base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217062730U (en) |
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2022
- 2022-04-01 CN CN202220748989.4U patent/CN217062730U/en active Active
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