CN204131114U - A kind of terminal block circuit structure - Google Patents
A kind of terminal block circuit structure Download PDFInfo
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- CN204131114U CN204131114U CN201420440852.8U CN201420440852U CN204131114U CN 204131114 U CN204131114 U CN 204131114U CN 201420440852 U CN201420440852 U CN 201420440852U CN 204131114 U CN204131114 U CN 204131114U
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Abstract
The utility model discloses a kind of terminal block circuit structure, comprise terminal block body circuit, feature is that terminal block body circuit is connected with overvoltage protective module, and overvoltage protective module comprises one-level lightning protection circuit, overvoltage crowbar and secondary lightning protection circuit; Advantage have employed the overvoltage protective module comprising one-level lightning protection circuit, overvoltage crowbar and secondary lightning protection circuit, and when external lightning is stronger, can carry out secondary lightning protection, safety in utilization is higher; The circuit structure of butted line plate can carry out good overvoltage protection, output voltage stabilization.
Description
Technical field
The utility model relates to a kind of circuit structure, especially relates to a kind of terminal block circuit structure.
Background technology
Existing terminal block generally includes housing and is positioned at the terminal block body circuit of housing.One tunnel external input voltage is distributed into multiple-channel output voltage by terminal block body circuit, uses for multiple electronic equipment simultaneously, and its function ratio is more single, only has translation function.When there is bad weather (such as thunder and lightning etc.) or external input voltage is unstable, multiple-channel output voltage will be caused also unstable, affect the use of power consumption equipment.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of terminal block circuit structure with over-voltage protecting function, output voltage stabilization.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of terminal block circuit structure, comprise terminal block body circuit, described terminal block body circuit is connected with overvoltage protective module, described overvoltage protective module comprises one-level lightning protection circuit, overvoltage crowbar and secondary lightning protection circuit, described one-level lightning protection circuit is arranged between the live wire input of external power source and the zero line input of external power source, described overvoltage crowbar comprises the second diode, 3rd diode, 4th diode, 5th diode, 6th diode, 7th diode, 8th diode, first voltage stabilizing didoe, first electric capacity, second electric capacity, first resistance, 3rd resistance, 8th resistance, slide rheostat, first electrochemical capacitor, first controllable silicon and the first relay, the positive pole of the second described diode respectively with the live wire input of external power source, one end of one end of the second described electric capacity and the switch of the first described relay connects, the negative pole of the second described diode is connected with one end of the first described resistance, the other end of the first described resistance is connected with the first stiff end of described slide rheostat, the sliding end of described slide rheostat is connected with the negative pole of the first described voltage stabilizing didoe and one end of the first described electric capacity respectively, second stiff end of described slide rheostat is connected with one end of the 8th described resistance, the other end of the 8th described resistance respectively with the other end of the first described electric capacity, the positive pole of the 6th described diode, the positive pole of the 7th described diode, the negative pole of the first described electrochemical capacitor, the positive pole of the 3rd described diode, one end and the first described silicon controlled negative electrode of the coil of the first described relay connect, the first described silicon controlled controls pole and is connected with the positive pole of the first described voltage stabilizing didoe, the anode of the first described voltage stabilizing didoe is connected with the negative pole of the 4th described diode, the positive pole of the 4th described diode respectively with the other end of the coil of the first described relay, one end of the 3rd described resistance and the negative pole of the 3rd described diode connect, the other end of the 3rd described resistance respectively with the negative pole of the 5th described diode, the positive pole of the first described electrochemical capacitor and the negative pole of the 8th described diode connect, the positive pole of the 5th described diode is connected with the other end of the second described electric capacity and the negative pole of the 6th described diode respectively, the negative pole of the 7th described diode respectively with the positive pole of the 8th described diode, the zero line input of external power source, the negative pole end of described secondary lightning protection circuit and the negative input of described terminal block body circuit connect, the positive terminal of described secondary lightning protection circuit is connected with the other end of the switch of the first described relay and the electrode input end of described terminal block body circuit respectively.
Described one-level lightning protection circuit comprises the first piezo-resistance.When excessive voltage appears at two interpolars of the first piezo-resistance, the first piezo-resistance by voltage clamping to a relatively-stationary magnitude of voltage, thus can realize the protection to late-class circuit.
Described secondary lightning protection circuit comprises the second piezo-resistance and Thermal Cutoffs, one end of the second described piezo-resistance is connected with the zero line input of external power source, the other end of the second described piezo-resistance is connected with one end of described Thermal Cutoffs, and the other end of described Thermal Cutoffs is connected with the other end of the switch of the first described relay.Adopt the secondary lightning protection circuit comprising the second piezo-resistance and Thermal Cutoffs, further protection terminal block body circuit.
Anti-surge circuit is provided with between described terminal block body circuit and described overvoltage protective module.
Described anti-surge circuit comprises the 9th resistance, tenth resistance, 11 resistance, first thermistor, second thermistor, 7th electric capacity, 8th electric capacity, second electrochemical capacitor, second relay, second controllable silicon, second voltage stabilizing didoe, 14 diode, 15 diode, 16 diode and the 17 diode, one end of the first described thermistor respectively with the other end of the switch of the second described relay, the other end of one end of the 7th described electric capacity and the switch of the second described relay connects, the other end of the first described thermistor is connected with one end of the second described thermistor, the other end of the second described thermistor respectively with the electrode input end of described terminal block body circuit, one end of the 9th described resistance, one end of the switch of the second described relay and one end of the 8th described electric capacity connect, the other end of the 9th described resistance is connected with the other end of the 7th described electric capacity, the other end of the 8th described electric capacity is connected with the positive pole of the 14 described diode and the negative pole of the 15 described diode respectively, the negative pole of the 14 described diode respectively with one end of the 11 described resistance, one end of the coil of the second described relay, the negative pole of the 16 described diode and the positive pole of the second described electrochemical capacitor connect, the other end of the coil of the second described relay is connected with the second described silicon controlled anode, the second described silicon controlled controls pole and is connected with the positive pole of the second described voltage stabilizing didoe and one end of the tenth described resistance respectively, the negative pole of the second described voltage stabilizing didoe is connected with the other end of the 11 described resistance, the second described silicon controlled negative electrode respectively with the other end of the tenth described resistance, the positive pole of the 17 described diode, the positive pole of the negative pole of the second described electrochemical capacitor and the 15 described diode connects, the positive pole of the 16 described diode respectively with the zero line input of external power source, the negative input of described terminal block body circuit and the negative pole of the 17 described diode connect.The circuit using the first thermistor, the second thermistor and the second relay to combine, considerably reduces surge current when terminal block starts, enhances safety in utilization.
Described anti-surge circuit is connected with described overvoltage protective module by filter circuit, and described filter circuit comprises the first inductance, second inductance, 4th electric capacity, 5th electric capacity, 6th electric capacity, 3rd electrochemical capacitor, 5th resistance, 6th resistance, 7th resistance, 9th diode, tenth diode, 11 diode and the 12 diode, one end of the first described inductance is connected with the other end of the switch of the first described relay and one end of the 4th described electric capacity respectively, the other end of the 4th described electric capacity is connected with one end of the 5th described resistance, the other end of the 5th described resistance respectively with the zero line input of external power source, the negative input of described terminal block body circuit, the negative pole of the 11 described diode, the positive pole of the 12 described diode, one end of one end of the 6th described resistance and the 5th described electric capacity connects, the other end of the first described inductance respectively with the negative pole of the tenth described diode, the positive pole of the 9th described diode, one end of the 6th described electric capacity, one end of the other end of the 5th described electric capacity and the first described thermistor connects, the positive pole of the tenth described diode respectively with the positive pole of the 11 described diode, the negative pole of one end of the 7th described resistance and the 3rd described electrochemical capacitor connects, the negative pole of the 9th described diode respectively with the negative pole of the 12 described diode, the other end of the 7th described resistance and the positive pole of the 3rd described electrochemical capacitor connect, and the other end of the 6th described electric capacity is connected with one end of the second described inductance, and the other end of the second described inductance is connected with the other end of the 6th described resistance.Effective surge current reducing generation when using the power consumption equipment of this terminal block to open.
Compared with prior art, the utility model has the advantage of the overvoltage protective module that have employed and comprise one-level lightning protection circuit, overvoltage crowbar and secondary lightning protection circuit, when external lightning is stronger, can carry out secondary lightning protection, safety in utilization is higher; The circuit structure of butted line plate can carry out good overvoltage protection, output voltage stabilization.
Accompanying drawing explanation
Fig. 1 is circuit structure block diagram of the present utility model;
Fig. 2 is the electrical block diagram of overvoltage protective module in the utility model;
Fig. 3 is the electrical block diagram of anti-surge circuit in the utility model;
Fig. 4 is the electrical block diagram of filter circuit in the utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As Fig. 1, shown in Fig. 2, a kind of terminal block circuit structure, comprise terminal block body circuit 1, terminal block body circuit 1 is connected with overvoltage protective module 2, overvoltage protective module 2 comprises a first piezo-resistance MOV1, overvoltage crowbar and secondary lightning protection circuit, first piezo-resistance MOV1 is arranged between the live wire input TERM1 of the external power source 3 and zero line input TERM2 of external power source 3, overvoltage crowbar comprises the second diode D2, 3rd diode D3, 4th diode D4, 5th diode D5, 6th diode D6, 7th diode D7, 8th diode D8, first voltage stabilizing didoe ZD1, first electric capacity C1, second electric capacity C2, first resistance R1, 3rd resistance R3, 8th resistance R8, slide rheostat VR1, first electrochemical capacitor C3, first controllable silicon Q1 and the first relay K 1, the positive pole of the second diode D2 respectively with the live wire input TERM1 of external power source 3, one end of one end of second electric capacity C2 and the switch of the first relay K 1 connects, the negative pole of the second diode D2 is connected with one end of the first resistance R1, the other end of the first resistance R1 is connected with first stiff end of slide rheostat VR1, the sliding end of slide rheostat VR1 is connected with the negative pole of the first voltage stabilizing didoe ZD1 and one end of the first electric capacity C1 respectively, second stiff end of slide rheostat VR1 is connected with one end of the 8th resistance R8, the other end of the 8th resistance R8 respectively with the other end of the first electric capacity C1, the positive pole of the 6th diode D6, the positive pole of the 7th diode D7, the negative pole of the first electrochemical capacitor C3, the positive pole of the 3rd diode D3, one end of the coil of the first relay K 1 and the negative electrode of the first controllable silicon Q1 connect, the control pole of the first controllable silicon Q1 is connected with the positive pole of the first voltage stabilizing didoe ZD1, the anode of the first voltage stabilizing didoe ZD1 is connected with the negative pole of the 4th diode D4, the positive pole of the 4th diode D4 respectively with the other end of the coil of the first relay K 1, one end of 3rd resistance R3 and the negative pole of the 3rd diode D3 connect, the other end of the 3rd resistance R3 respectively with the negative pole of the 5th diode D5, the positive pole of the first electrochemical capacitor C3 and the negative pole of the 8th diode D8 connect, the positive pole of the 5th diode D5 is connected with the other end of the second electric capacity C2 and the negative pole of the 6th diode D6 respectively, the negative pole of the 7th diode D7 respectively with the positive pole of the 8th diode D8, the zero line input TERM2 of external power source 3 and the negative pole end of secondary lightning protection circuit connect, the positive terminal of secondary lightning protection circuit is connected with the other end of the switch of the first relay K 1, secondary lightning protection circuit comprises the second piezo-resistance MOV2 and Thermal Cutoffs TH1, one end of second piezo-resistance MOV2 is connected with the zero line input TERM2 of external power source 3, the other end of the second piezo-resistance MOV2 is connected with one end of Thermal Cutoffs TH1, the other end of Thermal Cutoffs TH1 is connected with the other end of the switch of the first relay K 1.
As shown in Figure 3, anti-surge circuit 5 is provided with between terminal block body circuit 1 and overvoltage protective module 2, anti-surge circuit 5 is connected with overvoltage protective module 2 by filter circuit 4, anti-surge circuit 5 comprises the 9th resistance R9, tenth resistance R10, 11 resistance R11, first thermistor NTC1, second thermistor NTC2, 7th electric capacity C7, 8th electric capacity C8, second electrochemical capacitor C9, second relay K 2, second controllable silicon Q2, second voltage stabilizing didoe ZD2, 14 diode D14, 15 diode D15, 16 diode D16 and the 17 diode D17, one end of first thermistor NTC1 respectively with the other end of the switch of the second relay K 2, the other end of one end of the 7th electric capacity C7 and the switch of the second relay K 2 connects, the other end of the first thermistor NTC1 is connected with one end of the second thermistor NTC2, the other end of the second thermistor NTC2 respectively with one end of the 9th resistance R9, one end of the switch of the second relay K 2 and one end of the 8th electric capacity C8 connect, the other end of the 9th resistance R9 is connected with the other end of the 7th electric capacity C7, the other end of the 8th electric capacity C8 is connected with the positive pole of the 14 diode D14 and the negative pole of the 15 diode D15 respectively, the negative pole of the 14 diode D14 respectively with one end of the 11 resistance R11, one end of the coil of the second relay K 2, the negative pole of the 16 diode D16 and the positive pole of the second electrochemical capacitor C9 connect, the other end of the coil of the second relay K 2 is connected with the anode of the second controllable silicon Q2, the control pole of the second controllable silicon Q2 is connected with the positive pole of the second voltage stabilizing didoe ZD2 and one end of the tenth resistance R10 respectively, the negative pole of the second voltage stabilizing didoe ZD2 is connected with the other end of the 11 resistance R11, the negative electrode of the second controllable silicon Q2 respectively with the other end of the tenth resistance R10, the positive pole of the 17 diode D17, the negative pole of the second electrochemical capacitor C9 and the positive pole of the 15 diode D15 connect, the positive pole of the 16 diode D16 is connected with the zero line input TERM2 of external power source 3 and the negative pole of the 17 diode D17 respectively.
As shown in Figure 4, filter circuit 4 comprises the first inductance L 1, second inductance L 2, 4th electric capacity C4, 5th electric capacity C5, 6th electric capacity C6, 3rd electrochemical capacitor C10, 5th resistance R5, 6th resistance R6, 7th resistance R7, 9th diode D9, tenth diode D10, 11 diode D11 and the 12 diode D12, one end of first inductance L 1 is connected with the other end of the switch of the first relay K 1 and one end of the 4th electric capacity C4 respectively, the other end of the 4th electric capacity C4 is connected with one end of the 5th resistance R5, the other end of the 5th resistance R5 respectively with the zero line input TERM2 of external power source 3, the negative input of terminal block body circuit 1, the negative pole of the 11 diode D11, the positive pole of the 12 diode D12, one end of one end of 6th resistance R6 and the 5th electric capacity C5 connects, the other end of the first inductance L 1 respectively with the negative pole of the tenth diode D10, the positive pole of the 9th diode D9, one end of 6th electric capacity C6, one end of the other end of the 5th electric capacity C5 and the first thermistor NTC1 connects, the positive pole of the tenth diode D10 respectively with the positive pole of the 11 diode D11, the negative pole of one end of the 7th resistance R7 and the 3rd electrochemical capacitor C10 connects, the negative pole of the 9th diode D9 respectively with the negative pole of the 12 diode D12, the other end of the 7th resistance R7 and the positive pole of the 3rd electrochemical capacitor C10 connect, and the other end of the 6th electric capacity C6 is connected with one end of the second inductance L 2, and the other end of the second inductance L 2 is connected with the other end of the 6th resistance R6.
In above embodiment, the first piezo-resistance MOV1 and the second piezo-resistance MOV2 all adopts lighning proof type piezo-resistance ripe on market, and lightning protection effect is ideal.
Claims (6)
1. a terminal block circuit structure, comprise terminal block body circuit, it is characterized in that described terminal block body circuit is connected with overvoltage protective module, described overvoltage protective module comprises one-level lightning protection circuit, overvoltage crowbar and secondary lightning protection circuit, described one-level lightning protection circuit is arranged between the live wire input of external power source and the zero line input of external power source, described overvoltage crowbar comprises the second diode, 3rd diode, 4th diode, 5th diode, 6th diode, 7th diode, 8th diode, first voltage stabilizing didoe, first electric capacity, second electric capacity, first resistance, 3rd resistance, 8th resistance, slide rheostat, first electrochemical capacitor, first controllable silicon and the first relay, the positive pole of the second described diode respectively with the live wire input of external power source, one end of one end of the second described electric capacity and the switch of the first described relay connects, the negative pole of the second described diode is connected with one end of the first described resistance, the other end of the first described resistance is connected with the first stiff end of described slide rheostat, the sliding end of described slide rheostat is connected with the negative pole of the first described voltage stabilizing didoe and one end of the first described electric capacity respectively, second stiff end of described slide rheostat is connected with one end of the 8th described resistance, the other end of the 8th described resistance respectively with the other end of the first described electric capacity, the positive pole of the 6th described diode, the positive pole of the 7th described diode, the negative pole of the first described electrochemical capacitor, the positive pole of the 3rd described diode, one end and the first described silicon controlled negative electrode of the coil of the first described relay connect, the first described silicon controlled controls pole and is connected with the positive pole of the first described voltage stabilizing didoe, the anode of the first described voltage stabilizing didoe is connected with the negative pole of the 4th described diode, the positive pole of the 4th described diode respectively with the other end of the coil of the first described relay, one end of the 3rd described resistance and the negative pole of the 3rd described diode connect, the other end of the 3rd described resistance respectively with the negative pole of the 5th described diode, the positive pole of the first described electrochemical capacitor and the negative pole of the 8th described diode connect, the positive pole of the 5th described diode is connected with the other end of the second described electric capacity and the negative pole of the 6th described diode respectively, the negative pole of the 7th described diode respectively with the positive pole of the 8th described diode, the zero line input of external power source, the negative pole end of described secondary lightning protection circuit and the negative input of described terminal block body circuit connect, the positive terminal of described secondary lightning protection circuit is connected with the other end of the switch of the first described relay and the electrode input end of described terminal block body circuit respectively.
2. a kind of terminal block circuit structure according to claim 1, is characterized in that described one-level lightning protection circuit comprises the first piezo-resistance.
3. a kind of terminal block circuit structure according to claim 1, it is characterized in that described secondary lightning protection circuit comprises the second piezo-resistance and Thermal Cutoffs, one end of the second described piezo-resistance is connected with the zero line input of external power source, the other end of the second described piezo-resistance is connected with one end of described Thermal Cutoffs, and the other end of described Thermal Cutoffs is connected with the other end of the switch of the first described relay.
4. a kind of terminal block circuit structure according to claim 1, is characterized in that being provided with anti-surge circuit between described terminal block body circuit and described overvoltage protective module.
5. a kind of terminal block circuit structure according to claim 4, it is characterized in that described anti-surge circuit comprises the 9th resistance, tenth resistance, 11 resistance, first thermistor, second thermistor, 7th electric capacity, 8th electric capacity, second electrochemical capacitor, second relay, second controllable silicon, second voltage stabilizing didoe, 14 diode, 15 diode, 16 diode and the 17 diode, one end of the first described thermistor respectively with the other end of the switch of the second described relay, the other end of one end of the 7th described electric capacity and the switch of the second described relay connects, the other end of the first described thermistor is connected with one end of the second described thermistor, the other end of the second described thermistor respectively with the electrode input end of described terminal block body circuit, one end of the 9th described resistance, one end of the switch of the second described relay and one end of the 8th described electric capacity connect, the other end of the 9th described resistance is connected with the other end of the 7th described electric capacity, the other end of the 8th described electric capacity is connected with the positive pole of the 14 described diode and the negative pole of the 15 described diode respectively, the negative pole of the 14 described diode respectively with one end of the 11 described resistance, one end of the coil of the second described relay, the negative pole of the 16 described diode and the positive pole of the second described electrochemical capacitor connect, the other end of the coil of the second described relay is connected with the second described silicon controlled anode, the second described silicon controlled controls pole and is connected with the positive pole of the second described voltage stabilizing didoe and one end of the tenth described resistance respectively, the negative pole of the second described voltage stabilizing didoe is connected with the other end of the 11 described resistance, the second described silicon controlled negative electrode respectively with the other end of the tenth described resistance, the positive pole of the 17 described diode, the negative pole of the second described electrochemical capacitor and the positive pole of the 15 described diode connect, the positive pole of the 16 described diode respectively with the zero line input of external power source, the negative input of described terminal block body circuit and the negative pole of the 17 described diode connect.
6. a kind of terminal block circuit structure according to claim 5, it is characterized in that described anti-surge circuit is connected with described overvoltage protective module by filter circuit, described filter circuit comprises the first inductance, second inductance, 4th electric capacity, 5th electric capacity, 6th electric capacity, 3rd electrochemical capacitor, 5th resistance, 6th resistance, 7th resistance, 9th diode, tenth diode, 11 diode and the 12 diode, one end of the first described inductance is connected with the other end of the switch of the first described relay and one end of the 4th described electric capacity respectively, the other end of the 4th described electric capacity is connected with one end of the 5th described resistance, the other end of the 5th described resistance respectively with the zero line input of external power source, the negative input of described terminal block body circuit, the negative pole of the 11 described diode, the positive pole of the 12 described diode, one end of one end of the 6th described resistance and the 5th described electric capacity connects, the other end of the first described inductance respectively with the negative pole of the tenth described diode, the positive pole of the 9th described diode, one end of the 6th described electric capacity, one end of the other end of the 5th described electric capacity and the first described thermistor connects, the positive pole of the tenth described diode respectively with the positive pole of the 11 described diode, the negative pole of one end of the 7th described resistance and the 3rd described electrochemical capacitor connects, the negative pole of the 9th described diode respectively with the negative pole of the 12 described diode, the other end of the 7th described resistance and the positive pole of the 3rd described electrochemical capacitor connect, and the other end of the 6th described electric capacity is connected with one end of the second described inductance, and the other end of the second described inductance is connected with the other end of the 6th described resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420440852.8U CN204131114U (en) | 2014-08-05 | 2014-08-05 | A kind of terminal block circuit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420440852.8U CN204131114U (en) | 2014-08-05 | 2014-08-05 | A kind of terminal block circuit structure |
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| Publication Number | Publication Date |
|---|---|
| CN204131114U true CN204131114U (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420440852.8U Expired - Fee Related CN204131114U (en) | 2014-08-05 | 2014-08-05 | A kind of terminal block circuit structure |
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| CN (1) | CN204131114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917166A (en) * | 2015-05-26 | 2015-09-16 | 谈宁 | Wiring board circuit structure |
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2014
- 2014-08-05 CN CN201420440852.8U patent/CN204131114U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917166A (en) * | 2015-05-26 | 2015-09-16 | 谈宁 | Wiring board circuit structure |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20170805 |