CN212432259U - Meter reading collector with leakage alarm function - Google Patents
Meter reading collector with leakage alarm function Download PDFInfo
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- CN212432259U CN212432259U CN202021222631.5U CN202021222631U CN212432259U CN 212432259 U CN212432259 U CN 212432259U CN 202021222631 U CN202021222631 U CN 202021222631U CN 212432259 U CN212432259 U CN 212432259U
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Abstract
The utility model relates to a collector of checking meter with leak warning relates to the technical field of the instrument of checking meter, which comprises a housin, locate on the casing and be used for detecting near casing ambient humidity and convert humidity detection signal's humidity detection device into, be coupled in humidity detection device with the first comparison device that receives humidity detection signal and export first comparison signal, be coupled in first comparison device and provide first reference signal's first reference device for first comparison device, be coupled in first comparison device with the first controlling means who receives first comparison signal and export first control signal and be coupled in first controlling means with the alarm device who receives first control signal and respond to first controlling means. The utility model discloses have and to report an emergency and ask for help or increased vigilance the leakage of water gauge and water piping connection department, remind people in time to maintain to make the effect that the collector of checking meter is difficult for damaging because of weing.
Description
Technical Field
The utility model belongs to the technical field of the technique of the instrument of checking meter and specifically relates to a collector of checking meter with leak alarm is related to.
Background
The collector is an indispensable important device as a communication transfer station of a metering meter and a concentrator in a remote meter reading system, and the meter reading collector is widely applied to reading of meters such as an electric meter, a water meter, a gas meter and the like.
When the existing meter reading collector is applied to reading of a water meter, once leakage occurs at the joint of the water meter and a water pipe and a user or a meter reading person does not find the leakage in time, the humidity around the meter reading collector is reduced, the meter reading collector is easy to damage due to dampness, and an improved space is provided.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a collector of checking meter with leak warning can report an emergency and ask for help or increased vigilance to the leakage of water gauge and water piping connection department, reminds people in time to maintain to make the collector of checking meter be difficult for damaging because of weing.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a meter reading collector with leak warning, includes the casing, still includes and locates on the casing and be used for detecting the near ambient humidity of casing and convert humidity detection device into the humidity detected signal, the first comparison device that is coupled in humidity detection device in order to receive the humidity detected signal and output first comparison signal, the first reference device that is coupled in first comparison device and provides first reference signal for first comparison device, the first controlling means that is coupled in first comparison device in order to receive first comparison signal and output first control signal and the alarm device that is coupled in first controlling means in order to receive first control signal and respond to first controlling means.
By adopting the technical scheme, the humidity detection device detects the humidity of the environment near the meter reading collector, when the humidity detection signal is greater than the first reference signal, the first control device controls the alarm device to alarm, so that people are reminded of leakage at the joint of the water meter and the water pipe and timely maintenance of the leakage position, the meter reading collector is not easy to damage due to dampness, and the service life of the meter reading collector is prolonged.
The present invention may be further configured in a preferred embodiment as: the humidity detection device is coupled with the humidity detection device and used for receiving the humidity detection signal and outputting an amplification signal;
the first comparing device is coupled to the amplifying device to receive the amplified signal and output a first comparing signal.
By adopting the technical scheme, the amplifying device amplifies the humidity detection signal, so that the sensitivity of humidity detection is improved.
The present invention may be further configured in a preferred embodiment as: the alerting device includes an audible alert circuit.
By adopting the technical scheme, the sound alarm circuit can timely inform users or meter reading workers near the meter reading collector to remind the junction of the water meter and the water pipe to be timely maintained, so that the meter reading collector is not easy to be damaged due to dampness.
The present invention may be further configured in a preferred embodiment as: the warning device comprises a short message sending device.
By adopting the technical scheme, the short message sending device sends the short message to remind the user or the meter reading staff to ensure that the remote user or the meter reading staff can also receive the alarm signal, and the design is reasonable.
The present invention may be further configured in a preferred embodiment as: the meter reading device further comprises a second comparison device coupled to the amplification device for receiving the amplified signal and outputting a second comparison signal, a second reference device coupled to the second comparison device for providing a second reference signal for the second comparison device, and a second control device coupled to the second comparison device for receiving the second comparison signal and outputting a second control signal to the meter reading collector.
By adopting the technical scheme, when the amplified signal is greater than the second reference signal, the humidity near the meter reading collector is higher, and the cut-off switch controls the cut-off of the power supply of the meter reading collector, so that the meter reading collector is not easy to be damaged due to dampness, and the service life of the meter reading collector is prolonged.
The present invention may be further configured in a preferred embodiment as: the drying device is coupled to the first control device to receive the first control signal and respond to the first control signal.
Through adopting above-mentioned technical scheme, drying device's setting has accelerated the evaporation of moisture, reduces the humidity of meter reading collector's near casing environment, makes meter reading collector be difficult for the damage of weing, has improved meter reading collector's life.
The present invention may be further configured in a preferred embodiment as: the humidity detection device is a humidity sensor.
Through adopting above-mentioned technical scheme, the purchase is convenient, and the wiring is simple, and the practicality is strong.
The present invention may be further configured in a preferred embodiment as: the first comparing device and the second comparing device are both LM 393.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the leakage at the joint of the water meter and the water pipe can be alarmed, and people are reminded to maintain in time, so that the meter reading collector is not easy to damage due to dampness;
2. the short message sending device sends a short message prompt to the user or the meter reading staff to ensure that the user or the meter reading staff at a remote place can also receive the alarm signal, and the design is reasonable.
Drawings
Fig. 1 is a circuit connection diagram of the humidity detection device, the amplification device, the first comparison device, the first reference signal, the first control device, the alarm device, the second comparison device, the second reference signal, the second control device, and the cut-off switch.
Fig. 2 is a schematic diagram of a drying device and a short message sending device.
In the figure, 20, a humidity detection device; 30. a first comparing means; 40. a first reference device; 50. a first control device; 61. a sound alarm circuit; 62. a short message sending device; 70. an amplifying device; 80. a second comparing means; 90. a second reference device; 100. a second control device; 120. and (7) a drying device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the utility model discloses a meter reading collector with leakage alarm, which comprises a shell, a humidity detection device 20, an amplification device 70, a first comparison device 30, a first reference device 40, a first control device 50 and an alarm device; the humidity detecting device 20 is disposed on the housing and configured to detect the humidity of the environment near the housing and convert the detected humidity into a humidity detection signal, the amplifying device 70 is coupled to the humidity detecting device 20 to receive the humidity detection signal and output an amplified signal, the first comparing device 30 is coupled to the amplifying device 70 to receive the amplified signal and output a first comparison signal, the first reference device 40 is coupled to the first comparing device 30 to provide a first reference signal for the first comparing device 30, the first control device 50 is coupled to the first comparing device 30 to receive the first comparison signal and output a first control signal, and the alarm device is coupled to the first control device 50 to receive the first control signal and respond to the first control signal.
The humidity detection device is a humidity sensor with the model of the world HM1500 LF.
The amplifying device 70 includes an amplifier IC1, a first resistor R1 and a second resistor R2. Amplifier IC1 is model LM 324; the first resistor R1 has a resistance of 100K Ω, and the second resistor R2 has a resistance of 5K Ω.
The same-direction input end of the amplifier IC1 is connected with the output end of the humidity sensor, the reverse-direction input end of the amplifier IC1 is respectively connected with one end of the first resistor R1 and one end of the second resistor R2, the other end of the second resistor R2 is connected with the ground GND, and the other end of the first resistor R1 is connected with the output end of the amplifier IC.
The first comparing device 30 is a first comparator N1, and the model of the first comparator N1 is LM 393; the first reference device 40 is a third resistor R3 and a first potentiometer RW1, the third resistor R3 has a resistance of 90K Ω, the first potentiometer RW1 has a model number of 3296W, and the nominal resistance range is 10 Ω -2M Ω.
The non-inverting input terminal of the first comparator N1 is connected to the output terminal of the amplifier IC1, the inverting input terminal of the first comparator N1 is connected to one end of the third resistor R3 and one end of the first potentiometer RW1, the other end of the first potentiometer RW1 is connected to the power supply VCC, and the other end of the third resistor R3 is connected to the ground GND.
When the amplified signal is smaller than the first reference signal, the first comparator N1 outputs a first comparison signal of a low level; when the amplified signal is greater than the first reference signal, the first comparator N1 outputs a first comparison signal of a high level.
The first control device 50 comprises a first triode Q1, a fourth resistor R4, a fifth resistor R5, a first electromagnetic relay KM1 and a first capacitor C1; the first triode Q1 is a PNP type triode with the model number of 2SC4019, wherein the conduction threshold value of the first triode is 0.7V; the resistance of the fourth resistor R4 is 2.5K Ω, the resistance of the fifth resistor R5 is 1.2K Ω, the model of the first electromagnetic relay KM1 is hh52p and is normally open, and the capacitance of the first capacitor C1 is 200 pF.
The base of the first triode Q1 is respectively connected with one end of a fourth resistor R4, one end of a fifth resistor R5 and one end of a first capacitor C1, the other end of the fourth resistor R4 is connected with the other end of the first capacitor C1 and the output end of a first comparator N1, and the other end of the fifth resistor R5 is respectively connected with the emitter of the first triode Q1 and the ground GND; one end of the first electromagnetic relay KM1 is connected with the collector of the first triode Q1, and the other end of the first electromagnetic relay KM1 is connected with a power supply VCC.
Referring to fig. 1 and 2, the warning device includes an audio warning circuit 61 and a short message sending device 62; the sound alarm circuit 61 comprises a sound generator SP and a sixth resistor R6; the sounder SP is of the type NMD12065YB, and the resistance value of the resistor R6 is 2K omega; one end of the sixth resistor R6 is connected with the ground GND, the other end of the sixth resistor R6 is connected with one end of the sounder SP, the other end of the sounder SP is connected with one end of a normally open contact KM1-1 of the first electromagnetic relay KM1, and the other end of the normally open contact KM1-1 of the first electromagnetic relay KM1 is connected with the power supply VCC.
The short message sending device 62 is used for sending short messages to users or meter reading staff, the short message sending device 62 is common knowledge in the technical field, details are not repeated here, one end of the short message sending device 62 is connected with one end of a normally open contact KM1-3 of a first electromagnetic relay KM1, the other end of the normally open contact KM1-3 of the first electromagnetic relay KM1 is connected with a power supply VCC.
Referring to fig. 1, further comprising a drying device 120 coupled to the first control device 50 for receiving the first control signal and responding to the first control signal, wherein the drying device 120 may be a fan or a heating wire, and the drying device 120 is preferably a fan with a model of free light 5HiA 07; one end of the fan is connected with the ground GND, the other end of the fan is connected with one end of a normally open contact KM1-2 of a first electromagnetic relay KM1, and the other end of the normally open contact KM1-2 of the first electromagnetic relay KM1 is connected with a power supply VCC.
When the amplified signal is greater than the first reference signal, the first comparator N1 outputs a high-point product, the first triode Q1 is conducted, the normally open contacts KM1-1, KM1-2 and KM1-3 of the first electromagnetic relay KM1 are closed, the sounder sounds to give an alarm, the fan is started, and the short message sending device 62 sends a short message prompt to a user or meter reading staff.
A second comparison device 80, a second reference device 90 and a second control device 100; the second comparing device 80 is coupled to the amplifying device 70 to receive the amplified signal and output a second comparison signal, the second reference device 90 is coupled to the second comparing device 80 and provides a second reference signal for the second comparing device 80, and the second control device 100 is coupled to the second comparing device 80 to receive the second comparison signal and output a second control signal to the meter reading collector.
The second comparison device 80 comprises a second comparison device 80N2, and a second comparator N2 is LM393 in model number; the second reference device 90 is a seventh resistor R7 and a second potentiometer RW2, the seventh resistor R7 is 20K Ω, the second potentiometer RW2 is 3296W, and the nominal resistance range is 10 Ω -2M Ω.
The non-inverting input terminal of the second comparator N2 is connected to the output terminal of the amplifier IC1, the inverting input terminal of the second comparator N2 is connected to one end of the seventh resistor R7 and one end of the second potentiometer RW2, the other end of the second potentiometer RW2 is connected to the power supply VCC, and the other end of the seventh resistor R7 is connected to the ground GND.
When the amplified signal is smaller than the second reference signal, the second comparator N2 outputs a comparison signal of a low level; when the amplified signal is greater than the second reference signal, the second comparator N2 outputs a comparison signal of a high level.
The second control device 100 comprises a second triode Q1, an eighth resistor R8, a ninth resistor R9, a second electromagnetic relay KM2 and a second capacitor C2; the second triode Q2 is a PNP type triode with the model number of 2SC4019, wherein the conduction threshold value of the second triode is 0.7V; the resistance of the eighth resistor R8 is 2K Ω, the resistance of the ninth resistor R9 is 1K Ω, the model of the second electromagnetic relay KM2 is hh52p and is normally closed, and the capacitance of the second capacitor C2 is 200 pF.
The base of the second triode Q2 is connected with one end of an eighth resistor R8, one end of a ninth resistor R9 and one end of a second capacitor C2 respectively, the other end of the eighth resistor R8 is connected with the other end of the second capacitor C2 and the output end of a second comparator N2, and the other end of the ninth resistor R9 is connected with the emitter of the second triode Q2 and the ground GND respectively; one end of the second electromagnetic relay KM2 is connected with the collector of the second triode Q2, and the other end of the second electromagnetic relay KM2 is connected with a power supply VCC.
One end of a normally closed contact KM2-1 of a second electromagnetic relay KM2 is connected with a power supply VCC, the other end of the normally closed contact KM2-1 is connected with the anode of a meter reading collector, and the cathode of the meter reading collector is connected with a ground GND.
When the amplified signal is greater than the second reference signal, the second comparator N2 outputs a high level, the second triode Q2 is conducted, the normally closed contact KM2-1 of the second electromagnetic relay is disconnected, and the meter reading collector is powered off.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a meter reading collector with leak alarm, includes the casing, its characterized in that: the humidity detection device is arranged on the shell (10) and used for detecting the humidity of the environment near the shell (10) and converting the humidity into a humidity detection signal, the first comparison device (30) is coupled to the humidity detection device (20) and used for receiving the humidity detection signal and outputting a first comparison signal, the first reference device (40) is coupled to the first comparison device (30) and used for providing the first reference signal for the first comparison device (30), the first control device (50) is coupled to the first comparison device (30) and used for receiving the first comparison signal and outputting a first control signal, and the alarm device is coupled to the first control device (50) and used for receiving the first control signal and responding to the first control device (50).
2. The meter reading collector with the leakage alarm function according to claim 1, wherein the meter reading collector comprises: further comprising an amplifying device (70) coupled to the humidity detecting device (20) for receiving the humidity detecting signal and outputting an amplified signal;
the first comparing device (30) is coupled to the amplifying device (70) to receive the amplified signal and output a first comparing signal.
3. The meter reading collector with the leakage alarm function according to claim 1, wherein the meter reading collector comprises: the alerting device includes an audible alert circuit (61).
4. The meter reading collector with the leakage alarm function according to claim 1 or 3, wherein the meter reading collector comprises: the warning device comprises a short message sending device (62).
5. The meter reading collector with the leakage alarm function according to claim 2, wherein the meter reading collector comprises: the meter reading collector further comprises a second comparison device (80) coupled to the amplification device (70) and used for receiving the amplified signal and outputting a second comparison signal, a second reference device (90) coupled to the second comparison device (80) and used for providing a second reference signal for the second comparison device (80), and a second control device (100) coupled to the second comparison device (80) and used for receiving the second comparison signal and outputting a second control signal to the meter reading collector.
6. The meter reading collector with the leakage alarm function according to claim 1, wherein the meter reading collector comprises: also included is a drying apparatus (120) coupled to the first control apparatus (50) to receive the first control signal and responsive thereto.
7. The meter reading collector with the leakage alarm function according to claim 1, wherein the meter reading collector comprises: the humidity detection device (20) is a humidity sensor.
8. The meter reading collector with the leakage alarm function according to claim 1, wherein the meter reading collector comprises: the first comparison device (30) and the second comparison device (80) are both LM 393.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021222631.5U CN212432259U (en) | 2020-06-28 | 2020-06-28 | Meter reading collector with leakage alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021222631.5U CN212432259U (en) | 2020-06-28 | 2020-06-28 | Meter reading collector with leakage alarm function |
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| Publication Number | Publication Date |
|---|---|
| CN212432259U true CN212432259U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021222631.5U Active CN212432259U (en) | 2020-06-28 | 2020-06-28 | Meter reading collector with leakage alarm function |
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|---|---|
| CN (1) | CN212432259U (en) |
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- 2020-06-28 CN CN202021222631.5U patent/CN212432259U/en active Active
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