CN201611447U - Device for processing on-site multi-metering signals - Google Patents
Device for processing on-site multi-metering signals Download PDFInfo
- Publication number
- CN201611447U CN201611447U CN2009202828196U CN200920282819U CN201611447U CN 201611447 U CN201611447 U CN 201611447U CN 2009202828196 U CN2009202828196 U CN 2009202828196U CN 200920282819 U CN200920282819 U CN 200920282819U CN 201611447 U CN201611447 U CN 201611447U
- Authority
- CN
- China
- Prior art keywords
- relay
- triode
- parallel
- loop
- series
- Prior art date
- 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 - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model relates to a device for processing on-site multi-metering signals, which belongs to the technical field of monitoring devices. The device comprises a plurality of same detection loops which are connected in parallel with one another; each detection loop comprises a transducer, a potentiometer, a NPN triode, a relay and a power source, wherein the input terminal of the transducer is connected with an on-site measuring element through normally closed contacts of the relay; the on-site measuring element is connected with a cable leading to a centralized control center through normally open contacts of the relay; the output terminal of the transducer is connected in series with the base electrode of triode; the potentiometer is connected in series with the emitting electrode of the triode and is connected in parallel with the constant-voltage power source; the collecting electrode of the triode is connected in series into a coil loop of the relay; one normally open contact of the relay is connected in parallel with the collecting electrode of the triode; a hand knob for disconnecting a self-locking loop of the relay is also connected in series into the coil loop of the relay. Compared with the prior art, the device has the advantages of simple structure and low cost, can process on-site multi-metering signals, and gives an alarm or makes actions to protect equipment through single wire.
Description
Technical field
The utility model relates to a kind of device that on-the-spot multi-point signal is handled of being used for, and belongs to the supervising device technical field.
Background technology
Traditional on-the-spot multi-point signal (as the multi-point temperature measurement signal) is monitored is correspondingly the multi-point mould analog signal of on-site supervision to be shown, controls and reports to the police by field controlling instrument; The inconvenient personnel of this method monitor the scene for a long time.Thus, produced Centralized Monitoring, promptly the multi-point mould analog signal of on-site supervision has been directly inputted to control center, shown on the active station that after PLC or DCS system handle, is having the people to monitor then and report to the police with a large amount of cables.This Centralized Monitoring forms a large amount of parameters on active station and the warning picture is deposited in together, makes the monitor staff produce fatigue and carelessness easily, monitors inconvenience; And the cable of long in a large number distance is subjected to the interference of electromagnetism and other factors easily, also can cause the data transmission instability, and cause " spurious alarm " phenomenon; Simultaneously, the construction cost brought of this method is high.
The utility model content
The technical problems to be solved in the utility model is that proposing a kind of scene that is arranged on can handle and enter the centralized control center and realize reporting to the police or the action of protection equipment device simultaneously simple in structure, with low cost by the single line path on-the-spot multimetering signal.
The technical solution of the utility model is: a kind of on-the-spot multimetering signal processing apparatus, comprise a plurality of identical and detection loops of being connected in parallel to each other, transmitter is contained in described detection loop, potentiometer, the NPN triode, relay and power supply, the input end of described transmitter connects the in-site measurement element by the relay normally closed contact, described in-site measurement element connects the cable that leads to the centralized control center by relay normally open contact, the output terminal of described transmitter is connected with transistor base, described potentiometer is connected with transistor emitter and is parallel with constant voltage source, the collector of described triode is series in the relay coil loop, the normally opened contact of described relay is in parallel with transistor collector, also is in series with first hand push button that is used for disjunction relay self-locking circuit in the wire loop of described relay.
Before the use, the in-site measurement element is inserted detection of the present utility model loop one by one, and insert the centralized control center one by one, regulate the position potentiometer that detects constant voltage source effect in the loop then and export the constant voltage signal as protection value or alarming value detecting the loop.During use; the in-site measurement signal converts measurement voltage signal to by transmitter; constantly compare with the constant voltage signal; along with the variation of in-site measurement signal, when measurement voltage signal surpassed the constant voltage signal, three took over conducting; drive the actuating of relay; the connection of the control contact by relay is introduced the centralized control center to the in-site measurement signal and is shown, reports to the police simultaneously or the action of protection equipment.
The perfect of technique scheme is: the collector of described triode also is parallel with second hand push button that is used to force the attracting electric relay normally opened contact.
On-the-spot multimetering signal processing apparatus of the present utility model; insert the circuit that triode compares each contact of pilot relay, back by transmitter signal conversion voltage and potentiometer output voltage signal; ingenious and realization is easily introduced the centralized control center to the in-site measurement signal and is shown; and report to the police simultaneously or the action of protection equipment, and all in-site measurement signals all are to enter the centralized control center by a path.Compared to existing technology, apparatus structure of the present utility model is simple, and cost is low, and can handle and show measuring-signal and realize reporting to the police or the action of protection equipment by the single line path on-the-spot multimetering signal.
Description of drawings
Below in conjunction with accompanying drawing on-the-spot multimetering signal processing apparatus of the present utility model is described further.
Fig. 1 is the circuit theory diagrams of the on-the-spot multimetering signal processing apparatus of the utility model embodiment one.
Fig. 2 is the circuit theory diagrams of the on-the-spot multimetering signal processing apparatus of the utility model embodiment two.
Embodiment
Embodiment one
The on-the-spot multimetering signal processing apparatus of present embodiment comprises a plurality of identical and detection loops (only illustrating two among the figure, all the other omissions) of being connected in parallel to each other as shown in Figure 1, and detecting loop with first is the example explanation.Detect the loop and all contain transmitter 2, potentiometer 3, NPN triode 4 and relay.The input end of transmitter 2 connects the in-site measurement element by relay normally closed contact 1J, and the in-site measurement element of present embodiment is a thermopair 5.Thermopair 5 leads to the cable 6 of centralized control center by relay normally open contact 1J ' connection.The output terminal of transmitter 2 is connected with the base stage of triode 4.Potentiometer 3 is connected with the emitter of triode 4 and is parallel with constant voltage source 7.The collector of triode 4 is series at relay coil 1J " in the loop.Relay normally open contact 1J ' the while is in parallel with the collector of triode 4." also be in series with the first hand push button 10SB that is used for the self-locking of disjunction relay in the loop at relay coil 1J.
The collector of triode 4 also is parallel with the second hand push button 20SB that is used to force attracting electric relay normally opened contact 1J '.
As shown in Figure 1, second structure that detects loop and above-mentioned first detection loop is identical, all element number differences just, as transmitter 2 ', potentiometer 3 ', NPN triode 4 ', thermopair 5 ', constant voltage source 7 ', relay normally closed contact 2J, relay normally open contact 2J ', relay coil 2J ", the first hand push button 10SB ' and second hand push button 20SB ' or the like.First relay normally closed contact 1J that detects the loop is connected in series with second relay normally open contact 2J ' that detects the loop, forms the self-locking of relay.By that analogy, the 3rd and more a plurality of detections loop are also like this.
During use, still detecting the loop with first is the example explanation.Change the position that corresponding alarm voltage value regulates potentiometer 3 according to the measurement limit value of thermopair 5 earlier.For thermopair 5, when the point for measuring temperature temperature occur to change, the change in voltage that thermopair 5 produces converted the electric current of variation to by transmitter 2, and this electric current is again through the resistance R output measurement voltage signal U of transmitter 2 output terminals
1, and this moment, potentiometer 3 produced constant voltage signal U in the effect of constant voltage source 7
2, because U
1And U
2Therefore same polarity is serially connected in the base stage and the emitter of triode 4 respectively, forms voltage difference U between the base stage of triode 4 and emitter
3Work as voltage difference U
3During greater than the forward voltage of triode 4, triode 4 conductings, " must conduct, this moment, relay normally closed contact 1J opened and its normally opened contact 1J ' closure relay coil 1J; thermopair 5 disconnects with transmitter 2 and is communicated with stube cable 6, and relay forms self-locking simultaneously.Direct like this, on the one hand measurement voltage signal U with thermopair 5
1Sending into the centralized control center shows, pass through the closure of normally opened contact 1J ' on the other hand, that can realize audible alarm loop or device control loop overlaps freely that (general known circuits can be adopted in audible alarm loop or device control loop, present embodiment repeats no more, and no longer illustrates in the accompanying drawings simultaneously).
After first detects loop appearance warning,,, can make second detection loop realize warning and demonstration to remove the self-locking of relay by opening the first hand push button 10SB.Like this, present embodiment always realizes that one-level is at first detected the fault in loop and temperature reports to the police and show.When breaking down, after personnel confirm and excise, could realize the warning and the demonstration of next stage fault and demonstration.
In daily use, if the measurement potential difference (PD) of thermopair 5 does not transfinite, it is stable that whole device and centralized control center keep, and temperature does not have demonstration yet, monitor staff's observation of needn't troubling, and whole device also enters power save mode; Check the temperature demonstration of on-the-spot each point for measuring temperature if desired, only need be the second hand push button 20SB closure, closing relay normally opened contact 1J ' can realize the demonstration of thermopair 5 measurement temperature in the centralized control center by force.
From the above; the on-the-spot multimetering signal processing apparatus of present embodiment; can handle the multimetering signal by the scene; and the alerting signal that only will transfinite is passed to the centralized control center by the single line path and is realized warning or the action of protection equipment; thereby not only significantly reduced demonstration, warning picture and the monitoring of centralized control center, and saved great amount of cost.
Embodiment two
The structure of the on-the-spot multimetering signal processing apparatus of present embodiment is identical with embodiment one, and different is: a plurality of detections loop is connected with dissimilar in-site measurement element respectively.As shown in Figure 2, present embodiment shows thermopair 5 and 15 two dissimilar in-site measurement elements of thermal resistance respectively, and other are all identical with embodiment one, do not repeat them here.
On-the-spot multimetering signal processing apparatus of the present utility model is not limited to the various embodiments described above.All employings are equal to replaces the technical scheme that forms, and all drops on the protection domain of the utility model requirement.
Claims (2)
1. on-the-spot multimetering signal processing apparatus, comprise a plurality of identical and detection loops of being connected in parallel to each other, it is characterized in that: transmitter is contained in described detection loop, potentiometer, the NPN triode, relay and power supply, the input end of described transmitter connects the in-site measurement element by the relay normally closed contact, described in-site measurement element connects the cable that leads to the centralized control center by relay normally open contact, the output terminal of described transmitter is connected with transistor base, described potentiometer is connected with transistor emitter and is parallel with constant voltage source, the collector of described triode is series in the relay coil loop, the normally opened contact of described relay is in parallel with transistor collector, also is in series with first hand push button that is used for disjunction relay self-locking circuit in the wire loop of described relay.
2. according to the described on-the-spot multimetering signal processing apparatus of claim 1, it is characterized in that: the collector of described triode also is parallel with second hand push button that is used to force the attracting electric relay normally opened contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202828196U CN201611447U (en) | 2009-12-24 | 2009-12-24 | Device for processing on-site multi-metering signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202828196U CN201611447U (en) | 2009-12-24 | 2009-12-24 | Device for processing on-site multi-metering signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201611447U true CN201611447U (en) | 2010-10-20 |
Family
ID=42962080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202828196U Expired - Fee Related CN201611447U (en) | 2009-12-24 | 2009-12-24 | Device for processing on-site multi-metering signals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201611447U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100996A (en) * | 2017-06-21 | 2018-12-28 | 费希尔-罗斯蒙特系统公司 | Circuit interface |
| CN111413903A (en) * | 2020-04-01 | 2020-07-14 | 镇江颀珑工程技术服务有限公司 | Nonlinear time-delay remote monitoring system for industrial production |
-
2009
- 2009-12-24 CN CN2009202828196U patent/CN201611447U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100996A (en) * | 2017-06-21 | 2018-12-28 | 费希尔-罗斯蒙特系统公司 | Circuit interface |
| CN109100996B (en) * | 2017-06-21 | 2023-09-29 | 费希尔-罗斯蒙特系统公司 | loop interface |
| CN111413903A (en) * | 2020-04-01 | 2020-07-14 | 镇江颀珑工程技术服务有限公司 | Nonlinear time-delay remote monitoring system for industrial production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104849581B (en) | Overcurrent overload protection device combines strike-machine and monitors system and method | |
| CN101853554B (en) | Fireproofing pre-warning monitoring method for unmanned base station and system thereof | |
| CN109713796A (en) | A kind of power emergency automated management system | |
| CN104460614A (en) | Hotel energy-consumption intelligent remote monitoring and managing system | |
| CN106707903A (en) | Novel permanent magnet mechanism controller for high-voltage circuit breaker | |
| CN201611447U (en) | Device for processing on-site multi-metering signals | |
| CN209181830U (en) | Wisdom Electrical Safety sensing terminal and wisdom electricity system | |
| CN101192760A (en) | Remote digital switch control system and method | |
| CN203984091U (en) | High-voltage switch gear infrared thermal imaging on-line monitoring integrated treatment unit | |
| KR20140139268A (en) | Apparatus for monitoring transformer using ultrasonic waves | |
| CN103237052A (en) | Wireless temperature measuring system for online substation monitoring | |
| CN204155435U (en) | A kind of wireless temperature acquisition system | |
| CN109254214A (en) | Valve base electronic device Auto-Test System and method | |
| CN203151559U (en) | Wireless temperature measurement system for on-line monitoring of transformer substation | |
| CN109765040A (en) | The mechanical property on-line monitoring system of breaker | |
| CN206820908U (en) | For detecting the detecting system of electronic equipment performance | |
| CN103984250A (en) | Multi-gear resistance output device and detecting system | |
| CN205334667U (en) | Electric fire monitors detector based on LIN bus | |
| CN200997084Y (en) | Temperature monitor of reactive chamber | |
| CN211603415U (en) | Transformer substation operation and maintenance cable insulation monitoring system | |
| CN207123924U (en) | A kind of wireless security supervisory systems | |
| CN206584199U (en) | A kind of novel permanent magnetic mechanics controller of primary cut-out | |
| CN113433924A (en) | Remote diagnosis system and method for medium-frequency electric furnace | |
| CN105716730A (en) | Wireless temperature measurement system for monitoring temperature of moving and static contacts of circuit breaker | |
| CN202204899U (en) | Fire prevention detecting instrument |
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: 20101020 Termination date: 20171224 |