CN203499975U - Fault alarm system for pneumatic diaphragm pump - Google Patents
Fault alarm system for pneumatic diaphragm pump Download PDFInfo
- Publication number
- CN203499975U CN203499975U CN201320650707.8U CN201320650707U CN203499975U CN 203499975 U CN203499975 U CN 203499975U CN 201320650707 U CN201320650707 U CN 201320650707U CN 203499975 U CN203499975 U CN 203499975U
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- China
- Prior art keywords
- diaphragm pump
- pneumatic diaphragm
- signal
- pneumatic
- alarm system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000012528 membrane Substances 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 abstract 4
- 238000001514 detection method Methods 0.000 abstract 3
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 230000003584 silencer Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a fault alarm system for a pneumatic diaphragm pump. The fault alarm system for the pneumatic diaphragm pump comprises the pneumatic diaphragm pump, wherein the pneumatic diaphragm pump comprises an air leakage port and a silencer, and further comprises a diaphragm pump fault alarm system. The diaphragm pump fault alarm system comprises a pressure sensor, a sensor connecting device, a signal isolation grid, an impulse detection circuit and an alarm signal output circuit; the output end of the pressure sensor is connected with the signal isolation grid; the signal isolation grid is connected with the impulse detection circuit; the output end of the impulse detection circuit is connected with the alarm signal output circuit. According to the fault alarm system for the pneumatic diaphragm pump, abnormal changes in impulse signals detected by the pressure sensor are used as the basis, a switching signal based on pressure pulse conversion is output after passing through the signal isolation grid, the switching signal is subjected to recognition processing to generate an alarm signal in time, as a result, the pneumatic diaphragm pump can be detected in time, an alarm can be given in time when a fault occurs, and safe and normal industrial production is guaranteed.
Description
Technical field
The utility model relates to a kind of membrane pump with pneumatic drive failure warning system.
Background technique
Membrane pump with pneumatic drive is a kind of Novel conveyer tool, and employing pressurized air is power source, for various corrosive liquids, with the liquid of particle, high viscosity, volatile, inflammable, hypertoxic liquid, all can be taken out light and be exhausted, formed at present industrialized production, quality of product is well received.The main feature of this pump is not need water, can pump flowing liquid, and can carry again some is runny media, and suction journey is high, lift is adjustable (0 ~ 50 meter), and bleed pressure need only be greater than 1kg/cm
2can work, definitely fire-proof and explosion-proof, there are all functions of submersible pump, self-priming pump, transh pump, canned motorpump, slurry pump and many features of conveying mechanism.
Membrane pump with pneumatic drive is not used electrical source of power, can in inflammable, explosive place, use, and can aspirate various strong acid, highly basic, deep-etching liquid; Can aspirate various high-temp liquids, maximum temperature can resistance to 150 ℃ etc.In rugged environment, use, with regard to more needing, it is detected, to guarantee the normal operation of membrane pump with pneumatic drive.Yet, because environment is severe, a little less than causing personnel to guard inspecting force relative thin, there is potential safety hazard.Therefore, how to monitor the running state of membrane pump with pneumatic drive, and fault is carried out and alarm, for forming, stable production status is very necessary.
Summary of the invention
The purpose of this utility model is to provide a kind of membrane pump with pneumatic drive failure warning system.
To achieve the above object of the invention, the technical solution adopted in the utility model is: a kind of membrane pump with pneumatic drive failure warning system, comprise membrane pump with pneumatic drive, described pneumatic separate pump comprises leakage port and baffler, also comprise separate pump failure warning system, described separate pump failure warning system comprises pressure transducer, connecting device for sensor, signal isolated gate, pulse-detecting circuit and alarm signal output circuit;
Described connecting device for sensor is T-shaped three-port structure, and its horizontal two ends are connected with baffler with the leakage port of pneumatic separate pump respectively, and it is the described pressure transducer of end installation connection vertically;
The output terminal of described pressure transducer is connected with described signal isolated gate, and signal isolated gate is connected with pulse-detecting circuit, and the output terminal of pulse-detecting circuit connects described alarm signal output circuit.
Above, the three-port structure that described connecting device for sensor is T-shaped, its horizontal two ends are connected with baffler with the leakage port of pneumatic separate pump respectively, and it is the described pressure transducer of end installation connection vertically; Thereby pressure transducer is perpendicular to the leakage port of source of the gas diaphragm pump and baffler.
The large I that detects pressure of described pressure transducer regulates within the scope of 0 ~ 1.0 MPa, can be in category-B explosive-proof grade place.Described pulse-detecting circuit can identification pulse signal abnormal conditions, thereby output trouble signal; The time relay in pulse-detecting circuit can seamlessly regulate within the scope of 0 ~ 10 s.
In technique scheme, in described alarm signal output circuit, be provided with power switch.
In technique scheme, in described alarm signal output circuit, be provided with warning light or buzzer.
Because technique scheme is used, the advantage that the utility model compared with prior art has is:
1. to take the ANOMALOUS VARIATIONS of the pulse signal that pressure transducer detects be foundation to membrane pump with pneumatic drive failure warning system of the present utility model, the switching signal that output is changed based on pressure pulse dress after isolated gate signal, pass through again the identifying processing of pulse-detecting circuit, produce in time alarm signal, even if thereby can detect pneumatic separate pump, while breaking down and alarm, guaranteed industrial safety and normal.
2. of the present utility model simple in structure, easy to operate, with low cost, operation stability is high, and device volume is little, is suitable for applying.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment one schematic diagram;
Fig. 2 is the scheme of installation of pressure transducer in the utility model embodiment one;
Fig. 3 is voltage schematic diagram between pulse-detecting circuit input terminal in the utility model embodiment one;
Fig. 4 is the schematic diagram of alarm signal output circuit in the utility model embodiment one;
Fig. 5 is the schematic diagram of pulse-detecting circuit in the utility model embodiment one.
Wherein: 1, leakage port; 2, baffler; 3, connecting device for sensor; 4, pressure transducer.
Embodiment
Below in conjunction with embodiment, the utility model is further described:
Embodiment one:
Shown in Fig. 1 ~ 5, a kind of membrane pump with pneumatic drive failure warning system, comprise membrane pump with pneumatic drive, described pneumatic separate pump comprises leakage port 1 and baffler 2, also comprise separate pump failure warning system, described separate pump failure warning system comprises pressure transducer 4, connecting device for sensor 3, signal isolated gate, pulse-detecting circuit and alarm signal output circuit;
Described connecting device for sensor is T-shaped three-port structure, and its horizontal two ends are connected with baffler with the leakage port of pneumatic separate pump respectively, and it is the described pressure transducer of end installation connection vertically;
The output terminal of described pressure transducer is connected with described signal isolated gate, and signal isolated gate is connected with pulse-detecting circuit, and the output terminal of pulse-detecting circuit connects described alarm signal output circuit.
In described alarm signal output circuit, be provided with power switch.In described alarm signal output circuit, be provided with warning light or buzzer.Alarm signal output circuit can be selected plurality of specifications warning light or buzzer.
Fig. 3 is voltage schematic diagram between pulse-detecting circuit input terminal in the present embodiment one, wherein before 5T, for normal work time pulse, rushes voltage schematic diagram between testing circuit input terminal, is voltage schematic diagram after fault between pulse-detecting circuit input terminal after 5T.
Working principle of the present utility model: the Pressure Fluctuation Signal that pressure transducer gathers out membrane pump with pneumatic drive while normally working, pressure transducer detects the working state of membrane pump with pneumatic drive in service, obtains effective pressure pulse signal; The switching value pulse signal that signal isolated gate is collected pressure transducer amplifies, and is converted into digital signal through pulse-detecting circuit, and pulse-detecting circuit is identified the switching value pulse signal of input, exports the working state signal of membrane pump with pneumatic drive by judgement; If membrane pump with pneumatic drive is fault state, notice starts alarm signal output circuit, sends alarm signal, and staff on duty keeps in repair faulty equipment according to this alarm signal and gets rid of.
In order to mate the membrane pump with pneumatic drive of different model, pressure transducer is to regulate arbitrarily within the scope of 0 ~ 1.0 Mpa.
Claims (3)
1. a membrane pump with pneumatic drive failure warning system, comprise membrane pump with pneumatic drive, described pneumatic separate pump comprises leakage port (1) and baffler (2), it is characterized in that: also comprise separate pump failure warning system, described separate pump failure warning system comprises pressure transducer (4), connecting device for sensor (3), signal isolated gate, pulse-detecting circuit and alarm signal output circuit;
Described connecting device for sensor is T-shaped three-port structure, and its horizontal two ends are connected with baffler with the leakage port of pneumatic separate pump respectively, and it is the described pressure transducer of end installation connection vertically;
The output terminal of described pressure transducer is connected with described signal isolated gate, and signal isolated gate is connected with pulse-detecting circuit, and the output terminal of pulse-detecting circuit connects described alarm signal output circuit.
2. membrane pump with pneumatic drive failure warning system according to claim 1, is characterized in that: in described alarm signal output circuit, be provided with power switch.
3. membrane pump with pneumatic drive failure warning system according to claim 1, is characterized in that: in described alarm signal output circuit, be provided with warning light or buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320650707.8U CN203499975U (en) | 2013-10-18 | 2013-10-18 | Fault alarm system for pneumatic diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320650707.8U CN203499975U (en) | 2013-10-18 | 2013-10-18 | Fault alarm system for pneumatic diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203499975U true CN203499975U (en) | 2014-03-26 |
Family
ID=50330959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320650707.8U Expired - Lifetime CN203499975U (en) | 2013-10-18 | 2013-10-18 | Fault alarm system for pneumatic diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203499975U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864006A (en) * | 2015-02-09 | 2016-08-17 | Smc株式会社 | Pump system and pump abnormality detection method |
| CN105889047A (en) * | 2016-05-13 | 2016-08-24 | 安庆市津海工业产品设计有限公司 | Operation rotating speed and flow rate control module of pneumatic diaphragm pump |
| CN106370315A (en) * | 2016-11-15 | 2017-02-01 | 青岛丰东热处理有限公司 | Direct temperature measuring device, plasma thermal treatment furnace and direct temperature measuring method |
| CN108266357A (en) * | 2017-12-05 | 2018-07-10 | 上海大学 | The remote failure alarm system of pneumatic diaphragm pump based on NB-IOT |
-
2013
- 2013-10-18 CN CN201320650707.8U patent/CN203499975U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864006A (en) * | 2015-02-09 | 2016-08-17 | Smc株式会社 | Pump system and pump abnormality detection method |
| CN105864006B (en) * | 2015-02-09 | 2020-03-13 | Smc株式会社 | Pump system and pump abnormality detection method |
| CN105889047A (en) * | 2016-05-13 | 2016-08-24 | 安庆市津海工业产品设计有限公司 | Operation rotating speed and flow rate control module of pneumatic diaphragm pump |
| CN106370315A (en) * | 2016-11-15 | 2017-02-01 | 青岛丰东热处理有限公司 | Direct temperature measuring device, plasma thermal treatment furnace and direct temperature measuring method |
| CN106370315B (en) * | 2016-11-15 | 2018-09-18 | 青岛丰东热处理有限公司 | Direct temperature measurement device, plasma heat treatment stove and direct temperature measurement method |
| CN108266357A (en) * | 2017-12-05 | 2018-07-10 | 上海大学 | The remote failure alarm system of pneumatic diaphragm pump based on NB-IOT |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140326 |