CN205038011U - Water leakage detecting device - Google Patents
Water leakage detecting device Download PDFInfo
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- CN205038011U CN205038011U CN201520773975.8U CN201520773975U CN205038011U CN 205038011 U CN205038011 U CN 205038011U CN 201520773975 U CN201520773975 U CN 201520773975U CN 205038011 U CN205038011 U CN 205038011U
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- resistance
- water leakage
- leakage detection
- power supply
- electric capacity
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Abstract
The utility model provides a water leakage detecting device, include: the low pressure power supply unit, leak and detect sensor, isolation equipment, comparator and the signal detection module that leaks, the low pressure power supply unit is connected with the detection sensor that leaks, the low pressure power supply unit detects the sensor was connected to the comparator respectively through isolation equipment input with leaking, the output of comparator with the signal detection module that leaks is connected. The utility model discloses whole circuit structure is simple, and control is convenient, and then the cost is reduced, and the type that detects the sensor of leaking does not confine a certain specific sensor to, and the signal processing that leaks is simple, can realize having realized digital output signal lug connection to the treater that has throughput that leaks to keep apart and to have handled between sense terminal to the measuring of leaking and signal output part through digital measuring relay of drive yet for leaking, it is safe more and reliable to detect.
Description
Technical field
The utility model relates to a kind of pick-up unit, particularly relates to a kind of based on the leakage inspector under unmanned machine room or unmanned environment.
Background technology
Existing unmanned machine room or unmanned opertaing device, the requirement for degree of drying is often higher, occurs leaking, easily causes the potential safety hazards such as short circuit, and then occurs unexpected; For this reason, also having some leak water detdction schemes proposed based on unmanned environment on the market now, but its circuit structure is too complicated, cost is high, and it is convenient not to control.
Summary of the invention
Technical problem to be solved in the utility model be need to provide a kind of circuit simple, control convenient and safe and reliable based on the leakage inspector under unmanned machine room or unmanned environment.
To this, the utility model provides a kind of leakage inspector, comprise: low-voltage power supply equipment, water leakage detection sensor, xegregating unit, comparer and water leakage detection module, described low-voltage power supply equipment is connected with water leakage detection sensor, described low-voltage power supply equipment and water leakage detection sensor are connected to the input end of comparer respectively by xegregating unit, and the output terminal of described comparer is connected with described water leakage detection module.
Further improvement of the utility model is, described water leakage detection sensor comprises one or more in water leakage detection line, point type leak water detdction plate, cloth formula water leakage detection line and self-defined leak water detdction wire.
Further improvement of the utility model is, described water leakage detection sensor comprises the leakage sensor that two or more is connected in parallel.
Further improvement of the utility model is, described xegregating unit comprises optoisolator or signal isolating device.
Further improvement of the utility model is, described water leakage detection module comprises digital masuring relay or processor.
Further improvement of the utility model is, also comprise electric capacity C1, resistance R1, resistance R2 and diode D1, an output terminal of described low-voltage power supply equipment is connected with one end of described resistance R1 with one end of described electric capacity C1 respectively, another output terminal of described low-voltage power supply equipment is connected with water leakage detection sensor, the other end of described electric capacity C1 respectively with described water leakage detection sensor, one end of described resistance R2 is connected with the anode of described diode D1, the other end of described resistance R1 is connected with the negative electrode of described diode D1 with the other end of described resistance R2 respectively, the anode of described diode D1 and negative electrode are connected to two input ends of described xegregating unit respectively.
Further improvement of the utility model is, also comprise resistance R3, resistance R4 and electric capacity C2, one end of described resistance R3 is connected with power supply VCC, an output terminal of described xegregating unit is connected with one end of described resistance R4 with the other end of described resistance R3 respectively, the other end of described resistance R4 is connected with the reverse input end of described comparer with one end of described electric capacity C2, and the other end of described electric capacity C2 is connected with water leakage detection module with described xegregating unit respectively.
Further improvement of the utility model is, also comprises base modules, and the input end in the same way of described comparer is connected with described base modules.
Further improvement of the utility model is, also comprises electric capacity C3, and one end of described electric capacity C3 is connected with the input end in the same way of described comparer, and the other end of described electric capacity C3 is connected with the reverse input end of described comparer.
Further improvement of the utility model is, also comprise resistance R5, resistance R6 and resistance R7, the output terminal of described comparer is connected with one end of described resistance R7 with one end of described resistance R5 respectively, the other end of described resistance R7 is connected with power supply VCC, the other end of described resistance R5 is connected with the input end of water leakage detection module with one end of described resistance R6 respectively, and the other end of described resistance R6 is connected with the output terminal of described xegregating unit.
Compared with prior art, the beneficial effects of the utility model are: integrated circuit structure is simple, and it is convenient to control, and then reduces cost; And the type of described water leakage detection sensor is not limited to a certain specific sensor, water leakage process is simple, numeral can be realized by the digital formula weight degree relay of driving one to export, also water leakage can be directly connected to the processor with processing power, achieve isolation processing between the test side of leak water detdction and signal output part, make leak water detdction safety and reliable more.
Accompanying drawing explanation
Fig. 1 is the circuit theory schematic diagram of a kind of embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing, preferably embodiment of the present utility model is described in further detail.
As shown in Figure 1, this example provides a kind of leakage inspector, comprise: low-voltage power supply equipment 1, water leakage detection sensor 2, xegregating unit 3, comparer 4 and water leakage detection module 5, described low-voltage power supply equipment 1 is connected with water leakage detection sensor 2, described low-voltage power supply equipment 1 and water leakage detection sensor 2 are connected to the input end of comparer 4 respectively by xegregating unit 3, and the output terminal of described comparer 4 is connected with described water leakage detection module 5.
This routine described low-voltage power supply equipment 1 is generally become lower alternating voltage to use alternating current step-down by transformer; Described water leakage detection sensor 2 comprises one or more in water leakage detection line, point type leak water detdction plate, cloth formula water leakage detection line and self-defined leak water detdction wire, described water leakage detection line, point type leak water detdction plate and cloth formula water leakage detection line can buy now on the market, directly leak water detdction can also be realized according to actual needs, namely described self-defined leak water detdction wire by two wires; In addition, described water leakage detection sensor 2 comprises the leakage sensor that two or more is connected in parallel, and then realizes multiple spot leak water detdction; Described xegregating unit 3 comprises optoisolator or signal isolating device, and described signal isolating device is the device with signal buffer action; Described water leakage detection module 5 comprises digital masuring relay or processor, and namely described water leakage directly realizes exporting by digital masuring relay, or inputs to the processor that MCU, PLC and DSP etc. have signal handling capacity.
As shown in Figure 1, this example comprises electric capacity C1, resistance R1, resistance R2 and diode D1, an output terminal of described low-voltage power supply equipment 1 is connected with one end of described resistance R1 with one end of described electric capacity C1 respectively, another output terminal of described low-voltage power supply equipment 1 is connected with water leakage detection sensor 2, the other end of described electric capacity C1 respectively with described water leakage detection sensor 2, one end of described resistance R2 is connected with the anode of described diode D1, the other end of described resistance R1 is connected with the negative electrode of described diode D1 with the other end of described resistance R2 respectively, the anode of described diode D1 and negative electrode are connected to two input ends of described xegregating unit 3 respectively.
As shown in Figure 1, this example comprises resistance R3, resistance R4 and electric capacity C2, one end of described resistance R3 is connected with power supply VCC, an output terminal of described xegregating unit 3 is connected with one end of described resistance R4 with the other end of described resistance R3 respectively, the other end of described resistance R4 is connected with the reverse input end of described comparer 4 with one end of described electric capacity C2, and the other end of described electric capacity C2 is connected with water leakage detection module 5 with described xegregating unit 3 respectively; Also comprise base modules 6, the input end in the same way of described comparer 4 is connected with described base modules 6; Described base modules 6 is compare the module of supply voltage benchmark for comparer, can be ready-made semiconductor base modules, also can be discrete device base modules; When the U1 of input terminal voltage in the same way of described comparer 4 is greater than its reverse input end voltage U 2, its output voltage U0=+VCC, namely the output voltage U0 of comparer 4 is positive supply rail voltage; When the reverse input end voltage U 1 of described comparer 4 is less than its reverse input end voltage U 2, its output voltage U0=-VCC, namely the output voltage U0 of comparer 4 is negative supply rail voltage.
This example also comprises electric capacity C3, resistance R5, resistance R6 and resistance R7; One end of described electric capacity C3 is connected with the input end in the same way of described comparer 4, and the other end of described electric capacity C3 is connected with the reverse input end of described comparer 4; The output terminal of described comparer 4 is connected with one end of described resistance R7 with one end of described resistance R5 respectively, the other end of described resistance R7 is connected with power supply VCC, the other end of described resistance R5 is connected with the input end of water leakage detection module 5 with one end of described resistance R6 respectively, and the other end of described resistance R6 is connected with the output terminal of described xegregating unit 3.
The embodiment of the above is better embodiment of the present utility model; not limit concrete practical range of the present utility model with this; scope of the present utility model comprises and is not limited to this embodiment, and the equivalence change that all shapes according to the utility model, structure are done is all in protection domain of the present utility model.
Claims (10)
1. a leakage inspector, it is characterized in that, comprise: low-voltage power supply equipment, water leakage detection sensor, xegregating unit, comparer and water leakage detection module, described low-voltage power supply equipment is connected with water leakage detection sensor, described low-voltage power supply equipment and water leakage detection sensor are connected to the input end of comparer respectively by xegregating unit, and the output terminal of described comparer is connected with described water leakage detection module.
2. leakage inspector according to claim 1, is characterized in that, described water leakage detection sensor comprises one or more in water leakage detection line, point type leak water detdction plate, cloth formula water leakage detection line and self-defined leak water detdction wire.
3. leakage inspector according to claim 1, is characterized in that, described water leakage detection sensor comprises the leakage sensor that two or more is connected in parallel.
4. leakage inspector according to claim 1, is characterized in that, described xegregating unit comprises optoisolator or signal isolating device.
5. leakage inspector according to claim 1, is characterized in that, described water leakage detection module comprises digital masuring relay or processor.
6. the leakage inspector according to claim 1 to 5 any one, it is characterized in that, also comprise electric capacity C1, resistance R1, resistance R2 and diode D1, an output terminal of described low-voltage power supply equipment is connected with one end of described resistance R1 with one end of described electric capacity C1 respectively, another output terminal of described low-voltage power supply equipment is connected with water leakage detection sensor, the other end of described electric capacity C1 respectively with described water leakage detection sensor, one end of described resistance R2 is connected with the anode of described diode D1, the other end of described resistance R1 is connected with the negative electrode of described diode D1 with the other end of described resistance R2 respectively, the anode of described diode D1 and negative electrode are connected to two input ends of described xegregating unit respectively.
7. leakage inspector according to claim 6, it is characterized in that, also comprise resistance R3, resistance R4 and electric capacity C2, one end of described resistance R3 is connected with power supply VCC, an output terminal of described xegregating unit is connected with one end of described resistance R4 with the other end of described resistance R3 respectively, the other end of described resistance R4 is connected with the reverse input end of described comparer with one end of described electric capacity C2, and the other end of described electric capacity C2 is connected with water leakage detection module with described xegregating unit respectively.
8. leakage inspector according to claim 7, is characterized in that, also comprises base modules, and the input end in the same way of described comparer is connected with described base modules.
9. leakage inspector according to claim 8, is characterized in that, also comprises electric capacity C3, and one end of described electric capacity C3 is connected with the input end in the same way of described comparer, and the other end of described electric capacity C3 is connected with the reverse input end of described comparer.
10. leakage inspector according to claim 7, it is characterized in that, also comprise resistance R5, resistance R6 and resistance R7, the output terminal of described comparer is connected with one end of described resistance R7 with one end of described resistance R5 respectively, the other end of described resistance R7 is connected with power supply VCC, the other end of described resistance R5 is connected with the input end of water leakage detection module with one end of described resistance R6 respectively, and the other end of described resistance R6 is connected with the output terminal of described xegregating unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520773975.8U CN205038011U (en) | 2015-09-30 | 2015-09-30 | Water leakage detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520773975.8U CN205038011U (en) | 2015-09-30 | 2015-09-30 | Water leakage detecting device |
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| Publication Number | Publication Date |
|---|---|
| CN205038011U true CN205038011U (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520773975.8U Expired - Fee Related CN205038011U (en) | 2015-09-30 | 2015-09-30 | Water leakage detecting device |
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| CN (1) | CN205038011U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128045A (en) * | 2016-06-15 | 2016-11-16 | 哈尔滨工程大学 | A kind of leak autoalarm and control method thereof for the automatically controlled sealed compartment of power buoy |
-
2015
- 2015-09-30 CN CN201520773975.8U patent/CN205038011U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128045A (en) * | 2016-06-15 | 2016-11-16 | 哈尔滨工程大学 | A kind of leak autoalarm and control method thereof for the automatically controlled sealed compartment of power buoy |
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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 |
Granted publication date: 20160217 Termination date: 20200930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |