CN207399048U - A kind of down-hole switch internal body diodes circuit - Google Patents
A kind of down-hole switch internal body diodes circuit Download PDFInfo
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- CN207399048U CN207399048U CN201721557158.4U CN201721557158U CN207399048U CN 207399048 U CN207399048 U CN 207399048U CN 201721557158 U CN201721557158 U CN 201721557158U CN 207399048 U CN207399048 U CN 207399048U
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Abstract
The utility model discloses a kind of down-hole switch internal body diodes circuits, including diode rectifier bridge, the cathode of the diode D1 of the diode rectifier bridge switchs one end with K3 1 with the anode of diode D4 and is connected, the K3 1 switch the other end successively with FV21 1, AC110V power supplys one end is connected, the cathode of the diode D2 of the diode rectifier bridge is connected with the anode of diode D3 with the AC110V power supply other ends, the anode of the diode D1 of the diode rectifier bridge is connected with the anode of diode D2 with turning circuit one end, the cathode of the diode D3 of the diode rectifier bridge is connected with the cathode of diode D4 with the turning circuit other end, also K3 1 is in series on the turning circuit to switch.The utility model considerably reduces the possibility of diode rectifier bridge damage, extend service life, the activity time for replacing diode rectifier bridge simultaneously greatly reduces, and reduces influence degree of the Electromechanical Accidents to the working face underproduction, and advantage is created for the production of mine normal continuous.
Description
Technical field
The utility model is related to mine technology field more particularly to a kind of down-hole switch internal body diodes circuits.
Background technology
Including diode circuit in all kinds of switches of underground coal mine, diode is one of most common electronic component, it
Maximum characteristic is exactly unilateal conduction, that is, electric current may only be flowed through from a direction of diode, and the effect of diode has
Rectification circuit, detecting circuit, regulator circuit, various modulation circuits are mainly all made of diode, and diode applications are wide
It is general.At the same time, diode is since equipment installation or workmanship are unqualified, service condition is severe, run time is long, operation
It manages when not good enough and overvoltage protection is taken effective measures and easily damages, it can after damage must remove outer protection step by step
Diode inside replacing, processing time are long.The group of crossheading control working surface coal mining machine, drag conveyor and elevating conveyor under working face
Combination switch cannot often work since internal body diodes rectifier bridge is damaged, and cause working face that cannot normally produce.If Fig. 1 is existing
There is a stacked switch internal body diodes rectifier bridge partial circuit diagram in technology, in figure, diode rectifier bridge (D1, D2, D3, D4) both ends
Always it is powered, even if part A K3-1 is disconnected, which does not carry out rectifying and wave-filtering, but is constantly in working condition,
Greatly reduce the service life of diode.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of down-hole switch internal body diodes electricity
Road.
The utility model is achieved through the following technical solutions：A kind of down-hole switch internal body diodes circuit, feature
It is, including diode rectifier bridge, the cathode of the diode D1 of the diode rectifier bridge and the anode of diode D4 are and K3-
1 switch one end connection, the K3-1 switches other end are connected successively with FV21-1, AC110V power supply one end, and the diode is whole
The cathode of diode D2 of stream bridge is connected with the anode of diode D3 with the AC110V power supply other ends, the diode rectifier bridge
The anode of diode D1 be connected with the anode of diode D2 with turning circuit one end, the diode of the diode rectifier bridge
The cathode of D3 is connected with the cathode of diode D4 with the turning circuit other end, and K3-1 is also in series on the turning circuit and is opened
It closes.
One of preferred embodiment as the utility model, the diode rectifier bridge include what is joined end to end and be sequentially connected in series
Diode D1, diode D2, diode D3, diode D4, the cathode of the diode D1 are connected with the anode of diode D4, institute
The cathode for stating diode D4 is connected with the cathode of diode D3, and the anode of the diode D3 is connected with the cathode of diode D2,
The anode of the diode D2 is connected with the anode of diode D1.
One of preferred embodiment as the utility model, the diode rectifier bridge are integrally external using four conducting wires.
One of preferred embodiment as the utility model, the turning circuit include the resistance R and contactor that are sequentially connected in series
KM1, the resistance R both ends are parallel with contact-making switch KM1.
The utility model compared with prior art the advantages of be：The utility model considerably reduces diode rectifier bridge damage
Possibility, extend service life, while the activity time for replacing diode rectifier bridge greatly reduces, and reduces Electromechanical Accidents
To the influence degree of the working face underproduction, advantage is created for the production of mine normal continuous.
Description of the drawings
Fig. 1 is stacked switch internal body diodes rectifier bridge partial circuit diagram in the prior art；
Fig. 2 is the stacked switch internal body diodes rectifier bridge partial circuit diagram of the utility model.
Specific embodiment
Elaborate below to the embodiment of the utility model, the present embodiment using technical solutions of the utility model before
It puts and is implemented, give detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In following embodiments.
Such as Fig. 2：A kind of down-hole switch internal body diodes circuit, including diode rectifier bridge, the diode rectifier bridge
The cathode of diode D1 switchs one end with K3-1 with the anode of diode D4 and is connected, the K3-1 switch other end successively with
FV21-1, AC110V power supply one end are connected, and the anode of the cathode and diode D3 of the diode D2 of the diode rectifier bridge is equal
It is connected with the AC110V power supply other ends, the anode of the diode D1 of the diode rectifier bridge is with the anode of diode D2 with leading
Circuit passband one end is connected, and the cathode of the diode D3 of the diode rectifier bridge is another with turning circuit with the cathode of diode D4
One end is connected, and K3-1 switches are also in series on the turning circuit, adds K3-1 switches while controls connecting for A and part B
With disconnection so that diode rectifier bridge (D1, D2, D3, D4) and powered operation and the power-off simultaneously of right side circuit greatly reduce
Usage time, the service life for extending diode.
One of preferred embodiment as the utility model, the diode rectifier bridge include what is joined end to end and be sequentially connected in series
Diode D1, diode D2, diode D3, diode D4, the cathode of the diode D1 are connected with the anode of diode D4, institute
The cathode for stating diode D4 is connected with the cathode of diode D3, and the anode of the diode D3 is connected with the cathode of diode D2,
The anode of the diode D2 is connected with the anode of diode D1.
One of preferred embodiment as the utility model, the diode rectifier bridge be using four conducting wires it is integrally external,
For the ease of after diode rectifier bridge damages can quick-replaceable, four conducting wires of onsite application will diode rectifier bridge it is whole outer
It connects, the diode rectifier bridge of damage directly can be quickly replaced in the case where outer protection need not be removed.
One of preferred embodiment as the utility model, the turning circuit include the resistance R and contactor that are sequentially connected in series
KM1, the resistance R both ends are parallel with contact-making switch KM1.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of down-hole switch internal body diodes circuit, which is characterized in that including diode rectifier bridge, the diode rectifier bridge
The cathode of diode D1 switch one end with K3-1 with the anode of diode D4 and be connected, the K3-1 switches other end successively with
FV21-1, AC110V power supply one end are connected, and the anode of the cathode and diode D3 of the diode D2 of the diode rectifier bridge is equal
It is connected with the AC110V power supply other ends, the anode of the diode D1 of the diode rectifier bridge is with the anode of diode D2 with leading
Circuit passband one end is connected, and the cathode of the diode D3 of the diode rectifier bridge is another with turning circuit with the cathode of diode D4
One end is connected, and K3-1 switches are also in series on the turning circuit.
2. down-hole switch internal body diodes circuit according to claim 1, which is characterized in that the diode rectifier bridge bag
Include the diode D1 for joining end to end and being sequentially connected in series, diode D2, diode D3, diode D4, the cathode of the diode D1
It is connected with the anode of diode D4, the cathode of the diode D4 is connected with the cathode of diode D3, the sun of the diode D3
Pole is connected with the cathode of diode D2, and the anode of the diode D2 is connected with the anode of diode D1.
3. down-hole switch internal body diodes circuit according to claim 1, which is characterized in that the diode rectifier bridge is
It is integrally external using four conducting wires.
4. down-hole switch internal body diodes circuit according to claim 1, which is characterized in that the turning circuit include according to
The resistance R and contactor KM1 of secondary series connection, the resistance R both ends are parallel with contact-making switch KM1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721557158.4U CN207399048U (en) | 2017-11-20 | 2017-11-20 | A kind of down-hole switch internal body diodes circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721557158.4U CN207399048U (en) | 2017-11-20 | 2017-11-20 | A kind of down-hole switch internal body diodes circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207399048U true CN207399048U (en) | 2018-05-22 |
Family
ID=62323956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721557158.4U Active CN207399048U (en) | 2017-11-20 | 2017-11-20 | A kind of down-hole switch internal body diodes circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207399048U (en) |
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2017
- 2017-11-20 CN CN201721557158.4U patent/CN207399048U/en active Active
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