CN103208717B - The switching device of semiconductor single-core tube - Google Patents
The switching device of semiconductor single-core tube Download PDFInfo
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- CN103208717B CN103208717B CN201310123565.4A CN201310123565A CN103208717B CN 103208717 B CN103208717 B CN 103208717B CN 201310123565 A CN201310123565 A CN 201310123565A CN 103208717 B CN103208717 B CN 103208717B
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Abstract
The present invention relates to a kind of switching device of semiconductor single-core tube, comprise pcb board and be located at the adapting system of the semiconductor single-core tube on pcb board; Adapting system comprises the first splicing ear be fixed on pcb board, the second splicing ear, the 3rd splicing ear and the 4th splicing ear; Wherein, the first splicing ear is electrically connected by pcb board with the 3rd splicing ear, and the second splicing ear is electrically connected by pcb board with the 4th splicing ear; First splicing ear and the second splicing ear are used for being electrically connected with the positive and negative pin of semiconductor single-core tube; 3rd splicing ear and the 4th splicing ear are used for being electrically connected with the both positive and negative polarity of external power supply.Above-mentioned switching device facilitates semiconductor single-core tube use and make semiconductor single-core tube have the comparatively long life.
Description
Technical field
The present invention relates to field of photoelectric technology, particularly relate to a kind of switching device of semiconductor single-core tube.
Background technology
Semiconductor single-core tube, because having compact conformation, lightweight, stable performance, good reliability, life-span long, electro-optical efficiency advantages of higher, is widely used in fiber laser or direct processed and applied field.
During the work of semiconductor single-core tube, its positive and negative pin is electrically connected with external power supply equipment by power line, and usual positive and negative pin and power line are that the mode by welding is connected.And due to the compact conformation of semiconductor single-core tube, its positive and negative pin leans on very near, on a pin of semiconductor single-core tube during source of welding current line, is easy to meet another pin, causes two pin short circuits.When tearing the power line removed on a pin of semiconductor single-core tube open, also easily there are two pin short-circuit conditions.And weld or tear open remove power line time, in order to allow melts soldering tin, the temperature of electric iron need be located at more than 300 DEG C, and power line is general all near the housing of semiconductor single-core tube, so the heat of electric iron is easy to be delivered in the housing of semiconductor single-core tube, causes the pad in housing to walk (smile effect), weld or tear open the number of times removing power line more, this effect is more obvious, and then the useful life of semiconductor single-core tube is shortened.
Summary of the invention
Based on this, be necessary to provide a kind of and facilitate semiconductor single-core tube to use and make semiconductor single-core tube have switching device compared with the long life.
A switching device for semiconductor single-core tube, comprises pcb board and is located at the adapting system of the semiconductor single-core tube on described pcb board; Described adapting system comprises the first splicing ear be fixed on described pcb board, the second splicing ear, the 3rd splicing ear and the 4th splicing ear;
Wherein, described first splicing ear is electrically connected by described pcb board with described 3rd splicing ear, and described second splicing ear is electrically connected by described pcb board with the 4th splicing ear;
Described first splicing ear is used for being electrically connected with the positive pin of described semiconductor single-core tube, and described second splicing ear is used for being electrically connected with the negative pin of described semiconductor single-core tube;
Described 3rd splicing ear is used for being electrically connected with the positive pole of external power supply, and described 4th splicing ear is used for being connected with the negative electricity of external power supply.
Wherein in an embodiment, when multiple semiconductor single-core tube series connection uses, with adapting system described in adjacent two in multiple semiconductor single-core tube one to one multiple described adapting system, the 3rd splicing ear in an adapting system is electrically connected with the 4th splicing ear in another adapting system; Described 3rd splicing ear being arranged in the described adapting system of series connection one end, for being electrically connected with the positive pole of external power supply, is arranged in described 4th splicing ear of the described adapting system of another end of series connection for being connected with the negative electricity of external power supply.
Wherein in an embodiment, described first splicing ear in described adapting system and the spacing distance between described second splicing ear are at least one times of the spacing distance between the positive and negative pin of described semiconductor single-core tube; Described 3rd splicing ear in described adapting system and the spacing distance between the 4th splicing ear are at least one times of the spacing distance between the positive and negative pin of described semiconductor single-core tube.
Wherein in an embodiment, described first splicing ear, the second splicing ear, the 3rd splicing ear and the 4th splicing ear are plug-in splicing ear or pressing block type splicing ear.
Wherein in an embodiment, described first splicing ear in described adapting system and be provided with the diode of picosecond magnitude between described second splicing ear, described diode comprises forward diode and backward diode.
Wherein in an embodiment, between described 3rd splicing ear in described adapting system and described 4th splicing ear, be provided with short circuit circuit.
Wherein in an embodiment, described first splicing ear, the second splicing ear, the 3rd splicing ear and the 4th splicing ear are fixed on described pcb board by the mode of welding.
Wherein in an embodiment, described first splicing ear is direct or be electrically connected by the positive pin of connecting line with described semiconductor single-core tube, and described second splicing ear is direct or be electrically connected by the negative pin of connecting line with described semiconductor single-core tube.
Wherein in an embodiment, the positive pin of described semiconductor single-core tube is electrically connected with described first splicing ear by the mode of welding, and the negative pin of described semiconductor single-core tube is electrically connected with described second splicing ear by the mode of welding.
Wherein in an embodiment, the 3rd splicing ear be electrically connected with the positive pole of described external power supply is direct or be electrically connected by the positive pole of connecting line with described external power supply, and the 4th splicing ear be connected with the negative electricity of described external power supply is direct or be connected by the negative electricity of connecting line with described external power supply.
The switching device of above-mentioned semiconductor single-core tube, by being fixed on the first splicing ear on pcb board and the positive and negative pin of semiconductor single-core tube leads on pcb board by the second splicing ear.
When only needing a use semiconductor single-core tube, being fixed on the 3rd splicing ear that is electrically connected on pcb board and with the first splicing ear and being fixed on the 4th splicing ear be electrically connected on pcb board and with the second splicing ear and directly make semiconductor single-core tube be electrically connected with external power supply.When semiconductor single-core tube is installed first, the positive and negative pin of semiconductor single-core tube is needed to be connected on the first splicing ear and the second splicing ear, and semiconductor single-core tube and external power supply are set up and are electrically connected or disconnect when being electrically connected in subsequent process, only need the 3rd splicing ear and the 4th splicing ear to be loaded onto from external power supply or takes off, and do not need the first splicing ear and the second splicing ear to load onto from the positive and negative pin of semiconductor single-core tube or take off.Thus can effectively avoid semiconductor single-core tube because of positive and negative pin close, easily there is the situation of positive and negative pin short circuit during operation, facilitate the installation of semiconductor single-core tube and tear open and remove.And the 3rd splicing ear and the 4th splicing ear away from semiconductor single-core tube, thus utilize above-mentioned switching device to install or tear open when removing semiconductor single-core tube, traditional installation can be avoided or tear open when removing semiconductor single-core tube, the heat produced during melts soldering tin to the infringement of semiconductor single-core tube, and then makes semiconductor single-core tube have longer useful life.
When multiple semiconductor single-core tube series connection uses by needs, with adapting system described in adjacent two in multiple semiconductor single-core tube one to one multiple described adapting system, 4th splicing ear of the adapting system of last position is connected with the 3rd splicing ear of the adapting system of a rear position, and the 3rd binding post of the adapting system of head end of connecting is for being electrically connected with the positive pole of external power supply, the 4th splicing ear of the adapting system of series connection end is used for being connected with the negative electricity of external power supply.Now, above-mentioned switching device not only has and facilitates semiconductor single-core tube to use and make semiconductor single-core tube have feature compared with the long life.And multiple single-core tube can also be connected by above-mentioned switching device, thus provide higher power for external device, to solve the problem that can not to meet application because single single-core tube power is low and require.
Accompanying drawing explanation
Fig. 1 is the structural representation of the switching device of the semiconductor single-core tube of an execution mode.
Embodiment
For the ease of understanding the present invention, be described more fully below with reference to the switching device of relevant drawings to semiconductor single-core tube of the present invention.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
As shown in Figure 1, the switching device of the semiconductor single-core tube of an execution mode, comprises pcb board 10 and is located at the adapting system 100 of the semiconductor single-core tube on pcb board 10.The number of adapting system 100 can be one, also can be multiple.
Adapting system 100 comprises the first splicing ear 110, second splicing ear 120, the 3rd splicing ear 130 and the 4th splicing ear 140 be fixed on pcb board 10, the diode 150 being arranged at the picosecond magnitude between the first splicing ear 110 and the second splicing ear 120 and the short circuit circuit 160 be arranged between the 3rd splicing ear 130 and the 4th splicing ear 140.
Wherein, the first splicing ear 110 is electrically connected by pcb board 10 with the 3rd splicing ear 130.Second splicing ear 120 is electrically connected by pcb board 10 with the 4th splicing ear 140.
First splicing ear 110 is for being electrically connected with the positive pin (not shown) of semiconductor single-core tube, and the second splicing ear 120 is for being electrically connected with the negative pin of semiconductor single-core tube.Spacing distance between first splicing ear 110 and the second splicing ear 120 is at least one times of the spacing distance between the positive and negative pin of semiconductor single-core tube, to connect the positive and negative pin of semiconductor single-core tube.
In the present embodiment, first splicing ear 110 is directly electrically connected with the positive pin of semiconductor single-core tube, second splicing ear 120 is also directly electrically connected with the negative pin of semiconductor single-core tube, thus make the first splicing ear 110 and the second splicing ear 120 all closer to the housing of semiconductor single-core tube, and then the time of current delivery can be greatly reduced.Be appreciated that in other embodiments, the first splicing ear 110 can be electrically connected with the positive pin of semiconductor single-core tube by connecting line (not shown), and the second splicing ear 120 can directly or by connecting line be electrically connected with the positive pin of semiconductor single-core tube.Thus make connected mode more flexible, be not vulnerable to the restriction of space structure.
In the present embodiment, the positive pin of semiconductor single-core tube is directly electrically connected with the first splicing ear 110 by the mode of welding, and the negative pin of semiconductor single-core tube is directly electrically connected with the second splicing ear 120 by the mode of welding.Be appreciated that in other execution modes, the positive and negative pin of semiconductor single-core tube is electrically connected just with the first splicing ear 110 and the second splicing ear 120, is not limited to the mode of welding.
When only needing a use semiconductor single-core tube, the 3rd splicing ear 130 in same adapting system 100 is for being electrically connected with the positive pole (not shown) of external power supply, and the 4th splicing ear 140 is for being connected with the negative electricity of external power supply.
When multiple semiconductor single-core tube series connection uses by needs, and multiple semiconductor single-core tube is one to one described in adjacent two in multiple described adapting system 100 between adapting system 100,4th splicing ear 140 of the adapting system 100 of last position is connected with the 3rd splicing ear 130 of the adapting system 100 of a rear position, and the 3rd binding post 130 of the adapting system 100 of head end of connecting is for being electrically connected with the positive pole of external power supply, the 4th splicing ear 140 of the adapting system 100 of series connection end is for being connected with the negative electricity of external power supply.
In the present embodiment, the 3rd splicing ear 130 be electrically connected with the positive pole of external power supply is directly electrically connected with the positive pole of external power supply, and the 4th splicing ear 140 be connected with the negative electricity of external power supply is directly connected with the negative electricity of external power supply.Thus the time of current delivery can be reduced.Be appreciated that, in other embodiments, the 3rd splicing ear 130 be electrically connected with the positive pole of external power supply can be electrically connected with the positive pole of external power supply by connecting line (not shown), and the 4th splicing ear 140 be connected with the negative electricity of external power supply can directly or by connecting line be connected with the negative electricity of external power supply.Thus make connected mode more flexible, be not vulnerable to the restriction of space structure.
In the present embodiment, the spacing distance in same adapting system 100 between the 3rd splicing ear 130 and the 4th splicing ear 140 is at least one times of the spacing distance between the positive and negative pin of semiconductor single-core tube, to be connected with the both positive and negative polarity of external power supply.
In the present embodiment, the first splicing ear 110, second splicing ear 120, the 3rd splicing ear 130 and the 4th splicing ear 140 are plug-in splicing ear.The convenient negative pin with semiconductor single-core tube of plug-in splicing ear and external power supply are connected.Be appreciated that in other embodiments, the first splicing ear 110, second splicing ear 120, the 3rd splicing ear 130 and the 4th splicing ear 140 can be pressing block type splicing ear.
First splicing ear 110, second splicing ear 120, the 3rd splicing ear 130 and the 4th splicing ear 140 are fixed on pcb board 10 by the mode of welding.
In the present embodiment, the first splicing ear 110 in adapting system 100 and be provided with the diode 150 of picosecond magnitude between the second splicing ear 120.Diode 150 comprises forward diode 152 and backward diode 154.
The reverse voltage that can bear according to semiconductor single-core tube and surge time, adopt the diode 150 of picosecond magnitude to prevent reverse voltage and surge to the destruction of single-core tube.For reducing the reaction time of protection diode 150; the position that diode 150 is arranged on the closer to the housing of single-core tube is better; namely the distance between diode 150 and the housing of semiconductor single-core tube the most in short-term, and then can reduce the reaction time of protection diode 150 to greatest extent.
When surge appears in the external power supply of semiconductor single-core tube in switching process, forward diode 152 rapidly conducting, makes transient overvoltage to pass through and without semiconductor single-core tube from it, thus protects semiconductor single-core tube.When having there is reverse voltage in circuit, by quick PN(anode, negative electrode) tie backward diode 154 conducting rapidly formed, avoid reverse voltage by semiconductor single-core tube, thus protect semiconductor single-core tube.
In the present embodiment, short circuit circuit 160 is provided with between the 3rd splicing ear 130 in adapting system 100 and the 4th splicing ear 140.The material of short circuit circuit 160 is the good copper cash of conductivity.
Short circuit circuit 160 is used for preventing electrostatic to the infringement of semiconductor single-core tube.
Before installation semiconductor single-core tube, namely before the positive and negative pin of semiconductor single-core tube is connected with the first splicing ear 110 and the second splicing ear 120, first by short circuit circuit 160 short circuit, to prevent electrostatic to the infringement of semiconductor single-core tube.
When multiple semiconductor single-core tube series connection uses, when wherein one or two semiconductor single-core tube goes wrong and needs to change.Can first by short circuit circuit 160 short circuit in the adapting system 100 on all switching devices of being connected with single-core tube.Pull down the 3rd splicing ear 130 and the 4th splicing ear 140 that are connected with the semiconductor single-core tube needing to change again, and change semiconductor single-core tube.Thus electrostatic can well be prevented the infringement of the semiconductor single-core tube not needing to change.It is extremely important when the effect of short circuit circuit 160 antistatic uses for multiple semiconductor single-core tube series connection.
The switching device of above-mentioned semiconductor single-core tube, by being arranged at the first splicing ear 110 in the adapting system 100 on pcb board 10 and the positive and negative pin of semiconductor single-core tube leads on pcb board 10 by the second splicing ear 120.
When only needing a use semiconductor single-core tube, in the 3rd splicing ear 130 be electrically connected by pcb board 10 with the first splicing ear 110 in adapting system 100 and adapting system 100, semiconductor single-core tube is directly made to be electrically connected with external power supply with the 4th splicing ear 140 that the second splicing ear 120 is electrically connected by pcb board 10.When semiconductor single-core tube is installed first, need the positive and negative pin of semiconductor single-core tube to be connected on the first splicing ear 110 and the second splicing ear 120, and semiconductor single-core tube and external power supply are set up and are electrically connected or disconnect when being electrically connected in subsequent process, only need the 3rd splicing ear 130 and the 4th splicing ear 140 to be loaded onto from external power supply or takes off, and do not need the first splicing ear 110 and the second splicing ear 120 to load onto from the positive and negative pin of semiconductor single-core tube or take off.Thus can effectively avoid semiconductor single-core tube because of positive and negative pin close, easily there is the situation of positive and negative pin short circuit during operation, facilitate the installation of semiconductor single-core tube and tear open and remove.And the 3rd splicing ear 130 and the 4th splicing ear 140 away from semiconductor single-core tube, thus utilize above-mentioned switching device to install or tear open when removing semiconductor single-core tube, traditional installation can be avoided or tear open when removing semiconductor single-core tube, the heat produced during melts soldering tin to the infringement of semiconductor single-core tube, and then makes semiconductor single-core tube have longer useful life.
When multiple semiconductor single-core tube series connection uses by needs, with adapting system 100 described in adjacent two in multiple semiconductor single-core tube one to one multiple described adapting system 100,4th splicing ear 140 of the adapting system 100 of last position is connected with the 3rd splicing ear 130 of the adapting system 100 of a rear position, and the 3rd binding post 130 of the adapting system 100 of head end of connecting is for being electrically connected with the positive pole of external power supply, the 4th splicing ear 140 of the adapting system 100 of series connection end is for being connected with the negative electricity of external power supply.Now, above-mentioned switching device not only has and facilitates semiconductor single-core tube to use and make semiconductor single-core tube have feature compared with the long life.And multiple single-core tube can also be connected by above-mentioned switching device, thus provide higher power for external device, to solve the problem that can not to meet application because single single-core tube power is low and require.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a switching device for semiconductor single-core tube, is characterized in that, comprises pcb board and is located at the adapting system of the semiconductor single-core tube on described pcb board; Described adapting system comprises the first splicing ear be fixed on described pcb board, the second splicing ear, the 3rd splicing ear and the 4th splicing ear;
Wherein, described first splicing ear is electrically connected by described pcb board with described 3rd splicing ear, and described second splicing ear is electrically connected by described pcb board with the 4th splicing ear;
Described first splicing ear is used for being electrically connected with the positive pin of described semiconductor single-core tube, and described second splicing ear is used for being electrically connected with the negative pin of described semiconductor single-core tube;
Described 3rd splicing ear is used for being electrically connected with the positive pole of external power supply, and described 4th splicing ear is used for being connected with the negative electricity of external power supply;
Wherein, described first splicing ear, described second splicing ear, described 3rd splicing ear and described 4th splicing ear are positioned on the same surface of described pcb board, and described first splicing ear in described adapting system and the spacing distance between described second splicing ear be at least described semiconductor single-core tube positive and negative pin between a times of spacing distance, described 3rd splicing ear in described adapting system and the spacing distance between the 4th splicing ear are at least one times of the spacing distance between the positive and negative pin of described semiconductor single-core tube.
2. the switching device of semiconductor single-core tube according to claim 1, it is characterized in that, when multiple semiconductor single-core tube series connection uses, with adapting system described in adjacent two in multiple semiconductor single-core tube one to one multiple described adapting system, the 3rd splicing ear in an adapting system is electrically connected with the 4th splicing ear in another adapting system; Described 3rd splicing ear being arranged in the described adapting system of series connection one end, for being electrically connected with the positive pole of external power supply, is arranged in described 4th splicing ear of the described adapting system of another end of series connection for being connected with the negative electricity of external power supply.
3. the switching device of semiconductor single-core tube according to claim 1, is characterized in that, described first splicing ear, the second splicing ear, the 3rd splicing ear and the 4th splicing ear are plug-in splicing ear or pressing block type splicing ear.
4. the switching device of semiconductor single-core tube according to claim 1, it is characterized in that, described first splicing ear in described adapting system and be provided with the diode of picosecond magnitude between described second splicing ear, described diode comprises forward diode and backward diode.
5. the switching device of the semiconductor single-core tube according to any one of claim 1-4, is characterized in that, is provided with short circuit circuit between described 3rd splicing ear in described adapting system and described 4th splicing ear.
6. the switching device of semiconductor single-core tube according to claim 1, is characterized in that, described first splicing ear, the second splicing ear, the 3rd splicing ear and the 4th splicing ear are fixed on described pcb board by the mode of welding.
7. the switching device of semiconductor single-core tube according to claim 1, it is characterized in that, described first splicing ear is direct or be electrically connected by the positive pin of connecting line with described semiconductor single-core tube, and described second splicing ear is direct or be electrically connected by the negative pin of connecting line with described semiconductor single-core tube.
8. the switching device of semiconductor single-core tube according to claim 7, it is characterized in that, the positive pin of described semiconductor single-core tube is electrically connected with described first splicing ear by the mode of welding, and the negative pin of described semiconductor single-core tube is electrically connected with described second splicing ear by the mode of welding.
9. the switching device of semiconductor single-core tube according to claim 1, it is characterized in that, the 3rd splicing ear be electrically connected with the positive pole of described external power supply is direct or be electrically connected by the positive pole of connecting line with described external power supply, and the 4th splicing ear be connected with the negative electricity of described external power supply is direct or be connected by the negative electricity of connecting line with described external power supply.
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| CN103208717B true CN103208717B (en) | 2015-08-05 |
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