CN203879722U - Automatic control device of air compressors - Google Patents
Automatic control device of air compressors Download PDFInfo
- Publication number
- CN203879722U CN203879722U CN201420190937.5U CN201420190937U CN203879722U CN 203879722 U CN203879722 U CN 203879722U CN 201420190937 U CN201420190937 U CN 201420190937U CN 203879722 U CN203879722 U CN 203879722U
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- signal
- air compressor
- control
- circuit
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- 238000001514 detection method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 241000132536 Cirsium Species 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to an automatic control device of air compressors. The device comprises a pressure sensor, a comparator, a first switching control circuit, a second switching control circuit, a first air compressor control circuit and a second air compressor control circuit. A pressure value signal detected by the pressure sensor is transmitted to the comparator, the comparator receives the pressure value signal and a set low-pressure threshold signal, the output end of the comparator generates fault signals and transmits the fault signals to the first switching control circuit and the second switching control circuit respectively when a pressure value is lower than a low-pressure threshold, and the first switching control circuit and the second switching control circuit receive the fault signals, generate corresponding on/off signals according to a fault signal source and state signals of the first air compressor and the second air compressor and transmit the on/off signals to the first air compressor control circuit or the second air compressor control circuit. By means of the automatic control device, automatic switching between the two air compressors is achieved, and the probability that the air compressors break down is lowered.
Description
Technical field
The utility model relates to a kind of automatic controller, relates in particular to a kind of control gear automatically switching between current and standby air compressor of realizing.
Background technique
In Thistle board production process; when especially summer environment temperature is higher; air compressor is often because the faults such as delivery temperature height cause shutdown; and must arriving scene, opens standby air compressor; and can not when breaking down, automatically switch; thereby affect the normal operation of making sheet line, to production, bring about great losses.
Model utility content
The utility model provides a kind of Automatic Control of Air Compressor device, its objective is in gypsum board manufacture process, current operation air compressor break down or overheated situation under, can realize the instant switching with standby air compressor.
In order to realize foregoing invention object, the technological scheme that the utility model is taked is as follows:
An Automatic Control of Air Compressor device, comprises pressure transducer, comparator, the first control switching circuit, the second control switching circuit, the first air compressor control circuit and the second air compressor control circuit, wherein:
Described pressure transducer is arranged in the compressed air hose of air compressor, and the force value signal of its detection is sent to described comparator;
Described comparator receives the low pressure threshold signal of described force value signal and setting, and when described force value is less than described low pressure threshold, its output terminal produces effective trouble signal and is sent to respectively described the first control switching circuit and the second control switching circuit;
Described the first control switching circuit receives the state signal of described trouble signal and the first air compressor, and state signal effective at described trouble signal and described the first air compressor is stop signal, produces starting-up signal and sends described the first air compressor control circuit to;
Described the second control switching circuit receives the state signal of described trouble signal and the second air compressor, when state signal effective at described trouble signal and described the second air compressor is run signal, produces off signal and send described the second air compressor control circuit to.
Preferably, when described the first control switching circuit state signal effective at described trouble signal and described the first air compressor is run signal, produces off signal and send described the first air compressor control circuit to;
When described the second control switching circuit state signal effective at described trouble signal and described the second air compressor is stop signal, produces starting-up signal and send described the second air compressor control circuit to.
Preferably, described the first control switching circuit also receives a switching signal, state signal effective in described switching signal and described the first air compressor is stop signal, produce starting-up signal and send described the first air compressor control circuit to, described switching signal state signal effective and described the first air compressor is run signal, produces off signal and sends described the first air compressor control circuit to;
Described the second control switching circuit also receives described switching signal, and state signal effective in described switching signal and described the second air compressor is run signal, produces off signal and sends described the second air compressor control circuit to; State signal effective in described switching signal and described the second air compressor is stop signal, produces starting-up signal and sends described the second air compressor control circuit to.
Preferably, described the first control switching circuit be one first with door, described first with the state signal that is input as the first air compressor of door and effective trouble signal, be output as the start/off signal of the first air compressor;
Described the second control switching circuit be one second with door, described second with the state signal that is input as the second air compressor of door and effective trouble signal, be output as the start/off signal of the second air compressor.
Preferably, described the first control switching circuit comprise one or door and one and, described or door be input as described switching signal or effective trouble signal, being input as or the output of door and the state signal of the first air compressor of described and door, is output as the start/off signal of the first air compressor;
Described the second control switching circuit also comprise one or door and one and, described or door be input as described switching signal or effective trouble signal, being input as or the output of door and the state signal of the second air compressor of described and door, is output as the start/off signal of the second air compressor.
Preferably, also comprise a warning circuit, receive effective trouble signal and send alarm signal.
Preferably, also comprise a time circuit, at timing then, export described switching signal to described the first control switching circuit and the second control switching circuit.
Compared to the prior art the utility model, has following beneficial effect:
By automatic controller, can understand in time the running state of current air compressor, and in the situation that current air compressor breaks down or be overheated, carry out the instant switching between current air compressor and standby air compressor, without the production of interrupting gypsum board, safe and reliable.
The employing of automatic controller, can reduce air compressor rate of breakdown greatly, while solving air compressor fault simultaneously, and starting problem automatically, thus reduce the plate material loss that air compressor fault causes.
Accompanying drawing explanation
Fig. 1 is the circuit diagram one of Automatic Control of Air Compressor device.
Fig. 2 is Automatic Control of Air Compressor device electricity road figure bis-.
Fig. 3 is Automatic Control of Air Compressor device electricity road figure tri-.
Embodiment
For making goal of the invention of the present utility model, technological scheme and beneficial effect more cheer and bright, below in conjunction with accompanying drawing, embodiment of the present utility model is described, it should be noted that, in the situation that not conflicting, the embodiment in the application and the feature in embodiment be combination in any mutually.
Embodiment one is referring to Fig. 1, and Fig. 1 is Automatic Control of Air Compressor device circuit figure mono-.The present embodiment is, in No. 2 compressor operation processes, breaks down, and can implement to open No. 1 air compressor or close air compressor No. 2.The control circuit figure of described Automatic Control of Air Compressor device as shown in Figure 1, comprise pressure transducer, comparator, the first control switching circuit, the second control switching circuit, the first air compressor control circuit and the second air compressor control circuit, wherein: described pressure transducer is arranged in the compressed air hose of air compressor, the force value signal of its detection is sent to described comparator;
Described comparator receives the low pressure threshold signal of described force value signal and setting, and when described force value is less than described low pressure threshold, its output terminal produces effective trouble signal and is sent to respectively described the first control switching circuit and the second control switching circuit;
Described the first control switching circuit receives the state signal of described trouble signal and the first air compressor, and state signal effective at described trouble signal and described the first air compressor is stop signal, produces starting-up signal and sends described the first air compressor control circuit to;
Described the second control switching circuit receives the state signal of described trouble signal and the second air compressor, when state signal effective at described trouble signal and described the second air compressor is run signal, produces off signal and send described the second air compressor control circuit to.
Embodiment two is, in No. 1 compressor operation process, breaks down, and can implement to close No. 1 air compressor or open No. 2 air compressors, and its circuit diagram is referring to Fig. 1.Different from embodiment one, when described the first control switching circuit state signal effective at described trouble signal and described the first air compressor is run signal, produces off signal and send described the first air compressor control circuit to; When described the second control switching circuit state signal effective at described trouble signal and described the second air compressor is stop signal, produces starting-up signal and send described the second air compressor control circuit to.
In above-described embodiment one and embodiment two, described the first control switching circuit be one first with door, described first with the state signal that is input as the first air compressor of door and effective trouble signal, be output as the start/off signal of the first air compressor;
Described the second control switching circuit be one second with door, described second with the state signal that is input as the second air compressor of door and effective trouble signal, be output as the start/off signal of the second air compressor.
Embodiment three for when break down or need to time while switching between No. 1 air compressor and No. 2 air compressors, can realize by a diverter circuit that can produce switching signal.Its circuit diagram is referring to Fig. 2.Different from embodiment one is, described the first control switching circuit also receives a switching signal, state signal effective in described switching signal and described the first air compressor is stop signal, produce starting-up signal and send described the first air compressor control circuit to, described switching signal state signal effective and described the first air compressor is run signal, produces off signal and sends described the first air compressor control circuit to;
Described the second control switching circuit also receives described switching signal, and state signal effective in described switching signal and described the second air compressor is run signal, produces off signal and sends described the second air compressor control circuit to; State signal effective in described switching signal and described the second air compressor is stop signal, produces starting-up signal and sends described the second air compressor control circuit to.
In embodiment three, described the first control switching circuit comprise one or door and one and, described or door be input as described switching signal or effective trouble signal, being input as or the output of door and the state signal of the first air compressor of described and door, is output as the start/off signal of the first air compressor;
Described the second control switching circuit also comprise one or door and one and, described or door be input as described switching signal or effective trouble signal, being input as or the output of door and the state signal of the second air compressor of described and door, is output as the start/off signal of the second air compressor.
Embodiment four, and referring to Fig. 3, Fig. 3 is Automatic Control of Air Compressor device circuit figure tri-.What this embodiment was different from embodiment three is, also comprise a time circuit, at timing then, time circuit produces timing signal, timing signal input switching signal produces circuit, and switching signal produces circuit and exports described switching signal to described the first control switching circuit and the second control switching circuit.When hotter for the air compressor of current operation, and the timing for cutting only generation of air compressor fault of relieving a garrison between standby air compressor.
In above-described embodiment one to four, also comprise a warning circuit, warning circuit is used for receiving effective trouble signal and sends alarm signal.
Although the mode of execution that the utility model discloses as above, the mode of execution that its content just adopts for the ease of understanding the technical solution of the utility model, is not intended to limit the utility model.Technician under any the utility model in technical field; do not departing under the prerequisite of the core technology scheme that the utility model discloses; can in the form of implementing and details, make any modification and variation; but the protection domain that the utility model limits, the scope that still must limit with appending claims is as the criterion.
Claims (7)
1. an Automatic Control of Air Compressor device, comprises pressure transducer, comparator, the first control switching circuit, the second control switching circuit, the first air compressor control circuit and the second air compressor control circuit, wherein:
Described pressure transducer is arranged in the compressed air hose of air compressor, and the force value signal of its detection is sent to described comparator;
Described comparator receives the low pressure threshold signal of described force value signal and setting, and when described force value is less than described low pressure threshold, its output terminal produces effective trouble signal and is sent to respectively described the first control switching circuit and the second control switching circuit;
Described the first control switching circuit receives the state signal of described trouble signal and the first air compressor, and state signal effective at described trouble signal and described the first air compressor is stop signal, produces starting-up signal and sends described the first air compressor control circuit to;
Described the second control switching circuit receives the state signal of described trouble signal and the second air compressor, when state signal effective at described trouble signal and described the second air compressor is run signal, produces off signal and send described the second air compressor control circuit to.
2. Automatic Control of Air Compressor device as claimed in claim 1, wherein,
When described the first control switching circuit state signal effective at described trouble signal and described the first air compressor is run signal, produces off signal and send described the first air compressor control circuit to;
When described the second control switching circuit state signal effective at described trouble signal and described the second air compressor is stop signal, produces starting-up signal and send described the second air compressor control circuit to.
3. Automatic Control of Air Compressor device as claimed in claim 2, wherein,
Described the first control switching circuit also receives a switching signal, state signal effective in described switching signal and described the first air compressor is stop signal, produce starting-up signal and send described the first air compressor control circuit to, described switching signal state signal effective and described the first air compressor is run signal, produces off signal and sends described the first air compressor control circuit to;
Described the second control switching circuit also receives described switching signal, and state signal effective in described switching signal and described the second air compressor is run signal, produces off signal and sends described the second air compressor control circuit to; State signal effective in described switching signal and described the second air compressor is stop signal, produces starting-up signal and sends described the second air compressor control circuit to.
4. the Automatic Control of Air Compressor device of stating as claim 2, wherein,
Described the first control switching circuit be one first with door, described first with the state signal that is input as the first air compressor of door and effective trouble signal, be output as the start/off signal of the first air compressor;
Described the second control switching circuit be one second with door, described second with the state signal that is input as the second air compressor of door and effective trouble signal, be output as the start/off signal of the second air compressor.
5. Automatic Control of Air Compressor device as claimed in claim 3, wherein,
Described the first control switching circuit comprise one or door and one and, described or door be input as described switching signal or effective trouble signal, being input as or the output of door and the state signal of the first air compressor of described and door, is output as the start/off signal of the first air compressor;
Described the second control switching circuit also comprise one or door and one and, described or door be input as described switching signal or effective trouble signal, being input as or the output of door and the state signal of the second air compressor of described and door, is output as the start/off signal of the second air compressor.
6. the Automatic Control of Air Compressor device as described in claim 1 to 5 any one, wherein, also comprises a warning circuit, receives effective trouble signal and sends alarm signal.
7. Automatic Control of Air Compressor device as claimed in claim 3, wherein, also comprises a time circuit, at timing then, exports described switching signal to described the first control switching circuit and the second control switching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420190937.5U CN203879722U (en) | 2014-04-18 | 2014-04-18 | Automatic control device of air compressors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420190937.5U CN203879722U (en) | 2014-04-18 | 2014-04-18 | Automatic control device of air compressors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203879722U true CN203879722U (en) | 2014-10-15 |
Family
ID=51680225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420190937.5U Expired - Fee Related CN203879722U (en) | 2014-04-18 | 2014-04-18 | Automatic control device of air compressors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203879722U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105204453A (en) * | 2015-03-11 | 2015-12-30 | 上海科洋科技股份有限公司 | Mutually standby pump chain self-starting and interlocking design method |
| CN105822532A (en) * | 2016-05-06 | 2016-08-03 | 中山市华源电气设备有限公司 | Control system for air compressors |
| CN113982930A (en) * | 2021-11-22 | 2022-01-28 | 河南通济能源服务有限公司 | Intelligent control system of screw air compressor unit |
-
2014
- 2014-04-18 CN CN201420190937.5U patent/CN203879722U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105204453A (en) * | 2015-03-11 | 2015-12-30 | 上海科洋科技股份有限公司 | Mutually standby pump chain self-starting and interlocking design method |
| CN105204453B (en) * | 2015-03-11 | 2019-06-14 | 上海科洋科技股份有限公司 | A kind of chain self-starting and interlocking design method of mutual backup pump |
| CN105822532A (en) * | 2016-05-06 | 2016-08-03 | 中山市华源电气设备有限公司 | Control system for air compressors |
| CN113982930A (en) * | 2021-11-22 | 2022-01-28 | 河南通济能源服务有限公司 | Intelligent control system of screw air compressor unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20141015 |