CN202678220U - Intrinsic safety type time-delay control relay - Google Patents
Intrinsic safety type time-delay control relay Download PDFInfo
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- CN202678220U CN202678220U CN 201220232466 CN201220232466U CN202678220U CN 202678220 U CN202678220 U CN 202678220U CN 201220232466 CN201220232466 CN 201220232466 CN 201220232466 U CN201220232466 U CN 201220232466U CN 202678220 U CN202678220 U CN 202678220U
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Abstract
The utility model belongs to the coal mine flame-proof switch control technical field, more specifically to an intrinsic safety type time-delay control relay which comprises an intrinsic safety type control relay and a time-delay module. A signal output terminal of the intrinsic safety type control relay is in connection with a signal input terminal of the time-delay module. According to the utility model, an intrinsic safety type control relay is provided with a time-delay module to obtain an integrated intrinsic safety type time-delay control relay. By employing the intrinsic safety type time-delay control relay, for circuit design, intrinsic safety control and time-delay control for circuits can be realized without adding other electric components with rime-delay functions so as to realize time-delay and sequence starting of a flame-proof switch or other electric devices.
Description
Technical field
The utility model belongs to the technical field of coal mine flame-proof switch control, is specifically related to a kind of intrinsic safety type time-delay relay.
Background technology
At present in the explosion-proof switch of mining a road, two-way or multichannel, its startup generally has the requirements such as delayed startup or sequence starting, and this must relate to the time-delay control function of explosion-proof switch.In the prior art, usually adopt the intrinsic safety type control relay to realize delay function with having the combined use of other electronic units of delay function, and this compound mode has not only increased the electric components in the explosion-proof switch, and increased connection line, thereby be unfavorable for later repair and maintenance.
Summary of the invention
The purpose of this utility model provides a kind of intrinsic safety type time-delay relay, the utility model has increased time delay module in the intrinsic safety type control relay, and so that intrinsic safety type control relay and time delay module become one, the utility model is not only simple in structure, and can in the control of explosion-proof switch, realize control and delay function, to realize time-delay or the sequence starting of explosion-proof switch.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of intrinsic safety type time-delay relay, comprise the intrinsic safety type control relay, the intrinsic safety type time-delay relay also comprises time delay module, and the signal output part of described intrinsic safety type control relay links to each other with the signal input part of time delay module.
Simultaneously, the utility model can also be able to further realization by following technical measures:
Further, described intrinsic safety type control relay is made of relay matrix, voltage stabilizing circuit and indicating circuit, is provided with bridge rectifier in the described relay matrix;
Described voltage stabilizing circuit is the first voltage stabilizing didoe, and the negative electrode of the first voltage stabilizing didoe links to each other with the positive pole of bridge rectifier, and the anode of the first voltage stabilizing didoe links to each other with the negative pole of bridge rectifier;
Described indicating circuit is made of the first resistance and light-emitting diode, one end of described the first resistance links to each other with the positive pole of bridge rectifier, the other end of the first resistance links to each other with the anode of light-emitting diode, and the negative electrode of light-emitting diode links to each other with the negative pole of bridge rectifier;
Described time delay module is electrically connected with bridge rectifier, and time delay module is in parallel with voltage stabilizing circuit.
Further, described time delay module is made of delay circuit, comparison circuit and executive circuit, and delay circuit, comparison circuit and executive circuit three are connected in parallel to each other;
Described delay circuit is made of the 5th resistance and the first electric capacity, and an end of described the 5th resistance links to each other with the positive pole of bridge rectifier, and the other end of the 5th resistance links to each other with an end of the first electric capacity, and the other end of the first electric capacity links to each other with the negative pole of bridge rectifier;
Described comparison circuit has the second resistance, the 3rd resistance, the 4th resistance, triode and the second voltage stabilizing didoe to consist of, one end of the second resistance links to each other with the positive pole of bridge rectifier, the other end of the second resistance links to each other with the collector electrode of triode, the base stage of triode links to each other with the anode of the second voltage stabilizing didoe, the negative electrode of the second voltage stabilizing didoe is connected between the 5th resistance and the first electric capacity, and the emitter of triode links to each other with the negative pole of bridge rectifier with the 4th resistance by the 3rd resistance that is one another in series;
Described executive circuit consists of by carrying out relay and one-way SCR, the signal input part of described execution relay links to each other with the positive pole of bridge rectifier, the signal output part of carrying out relay links to each other with the anode of one-way SCR, the negative electrode of one-way SCR links to each other with the negative pole of bridge rectifier, and the control utmost point of one-way SCR is connected between the 3rd resistance and the 4th resistance.
The beneficial effects of the utility model are: the utility model has been set up time delay module to obtain an integrated intrinsic safety type time-delay relay in the intrinsic safety type control relay, after adopting the utility model, in the design at circuit, need not other other electronic units with delay function that increase and both can realize this case control and the time-delay of circuit are controlled such as time-delay relay, thus time-delay and the sequence starting of realization explosion-proof switch or other electric devices.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is theory diagram of the present utility model.
The implication of mark is as follows among the figure:
10-intrinsic safety type control relay, 11-relay matrix, 12-voltage stabilizing circuit
13-indicating circuit, 20-time delay module, 21-delay circuit
22-comparison circuit, 23-executive circuit
Embodiment
As shown in Figure 1, a kind of intrinsic safety type time-delay relay comprises intrinsic safety type control relay 10, and the intrinsic safety type time-delay relay also comprises time delay module 20, and the signal output part of described intrinsic safety type control relay 10 links to each other with the signal input part of time delay module 20.
Further, described intrinsic safety type control relay 10 is made of relay matrix 11, voltage stabilizing circuit 12 and indicating circuit 13 as shown in Figure 2, is provided with bridge rectifier in the described relay matrix 11;
Described voltage stabilizing circuit 12 is the first voltage stabilizing didoe VD1, and the negative electrode of the first voltage stabilizing didoe VD1 links to each other with the positive pole of bridge rectifier, and the anode of the first voltage stabilizing didoe VD1 links to each other with the negative pole of bridge rectifier;
Described indicating circuit 13 is made of the first resistance R 3 and light-emitting diode D7, one end of described the first resistance R 3 links to each other with the positive pole of bridge rectifier, the other end of the first resistance R 3 links to each other with the anode of light-emitting diode D7, and the negative electrode of light-emitting diode D7 links to each other with the negative pole of bridge rectifier;
Described time delay module 20 is electrically connected with bridge rectifier, and time delay module 20 is in parallel with voltage stabilizing circuit 12.
Further, as shown in Figure 2, described time delay module 20 is made of delay circuit 21, comparison circuit 22 and executive circuit 23, and delay circuit 21, comparison circuit 22 and executive circuit 23 threes are connected in parallel to each other;
Described delay circuit 21 is made of the 5th resistance R 7 and the first capacitor C 3, one end of described the 5th resistance R 7 links to each other with the positive pole of bridge rectifier, the other end of the 5th resistance R 7 links to each other with an end of the first capacitor C 3, and the other end of the first capacitor C 3 links to each other with the negative pole of bridge rectifier;
Described comparison circuit 22 has the second resistance R 4, the 3rd resistance R 5, the 4th resistance R 6, triode Q and the second voltage stabilizing didoe VD2 to consist of, one end of the second resistance R 4 links to each other with the positive pole of bridge rectifier, the other end of the second resistance R 4 links to each other with the collector electrode of triode Q, the base stage of triode Q links to each other with the anode of the second voltage stabilizing didoe VD2, the negative electrode of the second voltage stabilizing didoe VD2 is connected between the 5th resistance R 7 and the first capacitor C 3, and the emitter of triode Q links to each other with the negative pole of bridge rectifier with the 4th resistance R 6 by the 3rd resistance R 5 that is one another in series;
Described executive circuit 23 consists of by carrying out relay 3XJ and one-way SCR D8, the signal input part of described execution relay 3XJ links to each other with the positive pole of bridge rectifier, the signal output part of carrying out relay 3XJ links to each other with the anode of one-way SCR D8, the negative electrode of one-way SCR D8 links to each other with the negative pole of bridge rectifier, and the control utmost point of one-way SCR D8 is connected between the 3rd resistance R 5 and the 4th resistance R 6.
Below in conjunction with Fig. 2 the course of work of the present utility model is described further.
Intrinsic safety type control relay 10 among Fig. 2 is prior art, and wherein the external connection end A of intrinsic safety type control relay 10 and external connection end B are control end, when reality is used, is serially connected with starting switch between external connection end A and the external connection end B, so that operating personnel's operation.
The utility model supplies the 36V alternating voltage outward, the direct voltage of the rectification by intrinsic safety type control relay 10, filtering, voltage stabilizing stable output.
Described time delay module 20 is made of delay circuit 21, comparison circuit 22 and executive circuit 23, and wherein the contact of the execution relay 3XJ in the executive circuit 23 is delayed contact, also namely carries out the external explosion-proof switch in contact or other electric devices of relay 3XJ.
During real work, when external connection end A and external connection end B connection, the first relay 1XJ in the intrinsic safety type control relay 10 gets electric closed immediately, the normally opened contact of the first relay 1XJ is closed immediately, the direct voltage of bridge rectifier output is through rectification, give the power supply of the second relay 2XJ in the intrinsic safety type control relay 10 after filtering and the voltage stabilizing, bridge rectifier is to the delay circuit 21 in the time delay module 20 simultaneously, comparison circuit 22 and executive circuit 23 equal input signals, this moment, the second relay 2XJ got electric closed immediately, delay circuit 21 triggers make execution relay 3XJ get electric closure to realize delay function by comparison circuit 22 and executive circuit 23 after the time T through setting.
Claims (3)
1. intrinsic safety type time-delay relay, comprise intrinsic safety type control relay (10), it is characterized in that: the intrinsic safety type time-delay relay also comprises time delay module (20), and the signal output part of described intrinsic safety type control relay (10) links to each other with the signal input part of time delay module (20).
2. intrinsic safety type time-delay relay according to claim 1, it is characterized in that: described intrinsic safety type control relay (10) is made of relay matrix (11), voltage stabilizing circuit (12) and indicating circuit (13), is provided with bridge rectifier in the described relay matrix (11);
Described voltage stabilizing circuit (12) is the first voltage stabilizing didoe (VD1), and the negative electrode of the first voltage stabilizing didoe (VD1) links to each other with the positive pole of bridge rectifier, and the anode of the first voltage stabilizing didoe (VD1) links to each other with the negative pole of bridge rectifier;
Described indicating circuit (13) is made of the first resistance (R3) and light-emitting diode (D7), one end of described the first resistance (R3) links to each other with the positive pole of bridge rectifier, the other end of the first resistance (R3) links to each other with the anode of light-emitting diode (D7), and the negative electrode of light-emitting diode (D7) links to each other with the negative pole of bridge rectifier;
Described time delay module (20) is electrically connected with bridge rectifier, and time delay module (20) is in parallel with voltage stabilizing circuit (12).
3. intrinsic safety type time-delay relay according to claim 2, it is characterized in that: described time delay module (20) is made of delay circuit (21), comparison circuit (22) and executive circuit (23), and delay circuit (21), comparison circuit (22) and executive circuit (23) three are connected in parallel to each other;
Described delay circuit (21) is made of the 5th resistance (R7) and the first electric capacity (C3), one end of described the 5th resistance (R7) links to each other with the positive pole of bridge rectifier, the other end of the 5th resistance (R7) links to each other with an end of the first electric capacity (C3), and the other end of the first electric capacity (C3) links to each other with the negative pole of bridge rectifier;
Described comparison circuit (22) has the second resistance (R4), the 3rd resistance (R5), the 4th resistance (R6), triode (Q) and the second voltage stabilizing didoe (VD2) consist of, one end of the second resistance (R4) links to each other with the positive pole of bridge rectifier, the other end of the second resistance (R4) links to each other with the collector electrode of triode (Q), the base stage of triode (Q) links to each other with the anode of the second voltage stabilizing didoe (VD2), the negative electrode of the second voltage stabilizing didoe (VD2) is connected between the 5th resistance (R7) and the first electric capacity (C3), and the emitter of triode (Q) links to each other with the negative pole of bridge rectifier with the 4th resistance (R6) by the 3rd resistance (R5) that is one another in series;
Described executive circuit (23) consists of by carrying out relay (3XJ) and one-way SCR (D8), the signal input part of described execution relay (3XJ) links to each other with the positive pole of bridge rectifier, the signal output part of carrying out relay (3XJ) links to each other with the anode of one-way SCR (D8), the negative electrode of one-way SCR (D8) links to each other with the negative pole of bridge rectifier, and the control utmost point of one-way SCR (D8) is connected between the 3rd resistance (R5) and the 4th resistance (R6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220232466 CN202678220U (en) | 2012-05-23 | 2012-05-23 | Intrinsic safety type time-delay control relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220232466 CN202678220U (en) | 2012-05-23 | 2012-05-23 | Intrinsic safety type time-delay control relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678220U true CN202678220U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220232466 Expired - Fee Related CN202678220U (en) | 2012-05-23 | 2012-05-23 | Intrinsic safety type time-delay control relay |
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| Country | Link |
|---|---|
| CN (1) | CN202678220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110716607A (en) * | 2019-10-29 | 2020-01-21 | 南京北路自动化系统有限责任公司 | High-power mining voltage stabilizing circuit |
-
2012
- 2012-05-23 CN CN 201220232466 patent/CN202678220U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110716607A (en) * | 2019-10-29 | 2020-01-21 | 南京北路自动化系统有限责任公司 | High-power mining voltage stabilizing circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20140523 |