CN205488798U - Equipment connecting wire monitor terminal adapter - Google Patents
Equipment connecting wire monitor terminal adapter Download PDFInfo
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- CN205488798U CN205488798U CN201620243257.4U CN201620243257U CN205488798U CN 205488798 U CN205488798 U CN 205488798U CN 201620243257 U CN201620243257 U CN 201620243257U CN 205488798 U CN205488798 U CN 205488798U
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Abstract
The utility model relates to an equipment connecting wire monitor terminal adapter belongs to fire control technical field. This adapter includes: two at least regulating electrical resistance, first resistance, first diode, an emitting diode, the input port that has positive negative pole and delivery outlet, it connects to be equipped with the high -speed joint on input port and the delivery outlet, the positive negative pole of input port and delivery outlet is respectively through first and second pin connection, first and second lead wires are connected respectively at regulating electrical resistance's both ends, the positive pole of first diode is connected to an emitting diode's the first lead wire of anodal connection, negative pole, and the negative pole of first diode is through first ohmic connection second lead wire. The utility model provides an equipment connecting wire monitor terminal adapter, a plurality of regulating electrical resistance's combination is accepted or rejected according to on -the -spot needs, satisfies most fire control electronic equipment's matching requirement, adopts hand switch to switch or the long -range manual switching of electronic switch, makes things convenient for the authentic and valid system performance test of engineering application in -process.
Description
Technical field
This utility model relates to a kind of interfacility link monitoring terminal adapter, belongs to technical field of fire safety.
Background technology
In fire protection sector, need to monitor in real time two equipment room open circuit of connection lines, short troubles.Existing way is typically employed in the method that line end increases terminal resistance, the main equipment of band circuit function for monitoring reach to monitor whether connecting line open circuit or the purpose of short trouble occurs by the way of electric current in monitoring connecting line loop.
But, owing to the main equipment of band circuit function for monitoring is different, the most different to the parameter request of terminal resistance, and the main equipment of band circuit function for monitoring and field apparatus are frequently not the product of a producer, so that the problem considering to be mutually matched；Even if product is a producer, when design, because of the versatility of product considered and the matching of function, field apparatus is internal general without terminal resistance R, therefore, in actual application, either international top-brand or home brands, terminal monitors resistance is usually to be installed at engineering site, in most cases, is that with interfacility link, resistance lead is accessed same binding post.Due to interfacility link diameter mostly at about 1.4mm (more than 1.2mm), sometimes up to more than 2.3mm, and the diameter wire of terminal resistance typically only has about 0.6mm, when the lead-in wire that two different diameters are bigger accesses same terminal, the lead-in wire that diameter is little is often fixing the tightest, often occurring loosening, come off or the fault such as loose contact, maintenance load is big, and almost cannot stop.
In addition, during the day-to-day operation of system, it is frequently necessary to carry out System Functional Test, and some controlled plant is when proper testing, the most do not allow actual act, usually the connecting line of controlled plant is removed in engineering, on the one hand frequent operation frequently results in attachment screw or nut lost efficacy, on the other hand real load system is not had to test, can not truly reflect again the driveability of main control device, on-the-spot access simulator is time-consuming bothersome, in engineering, also seldom band simulator is tested, furthermore it is used mostly circuit tester measurement data in engineering, generally require two people to operate.
Summary of the invention
The technical problems to be solved in the utility model is, the shortcoming overcoming prior art, propose a kind of scalable terminal resistance, facilitate in-site installation, meet performance integrity test terminator cap.
This utility model is that the technical scheme solving the proposition of above-mentioned technical problem is: at least two regulation resistance, the first resistance, the first diode, the first light emitting diode, the input port with both positive and negative polarity and delivery outlet；Equipped with fast connecting joint on described input port and delivery outlet；The both positive and negative polarity of described input port and delivery outlet is connected by the first and second lead-in wires respectively；The two ends of described regulation resistance connect described first and second lead-in wires respectively；The positive pole of described first light emitting diode connects described first lead-in wire, and negative pole connects the positive pole of described first diode, and the negative pole of described first diode connects the second lead-in wire by the first resistance；Between described regulation resistance with described first lead-in wire, the 3rd lead-in wire by cutting off is connected.
Such scheme is further improved by: the node between described first diode and described first lead-in wire is connected to the negative pole of described first diode also by the second light emitting diode of differential concatenation successively, the second diode；Being connected between first lead-in wire and the positive pole of described delivery outlet and have switch, described switch has double-contact, and wherein the first contact connects the positive pole of described delivery outlet by the 4th diode that forward is connected；Second contact of described switch is connected with described second lead-in wire by the second resistance；Described second contact is connected with described second lead-in wire after being also sequentially connected in series the 3rd diode of forward, reverse stabilivolt and the 3rd resistance；Node between described 3rd diode and stabilivolt is connected with described second lead-in wire by fictitious load；Node between described first contact and the 4th diode passes sequentially through the 5th light emitting diode of differential concatenation, the 4th resistance is connected with described second lead-in wire.
Such scheme is further improved by: described switch is the one in hand switch, relay, audion, field effect transistor.
Such scheme is further improved by: between the second contact and described second resistance of described switch, differential concatenation has the 3rd light emitting diode；Between described 3rd diode and described stabilivolt, forward is in series with the 4th light emitting diode.
The interfacility link monitoring terminal adapter that this utility model provides, use snap joint, it is the most convenient and reliable to make to install, the combination of multiple regulation resistance, need to accept or reject according to scene, meet the coupling requirement of most fire-fighting electronic equipment in the world, use hand switch switching or the switching of electrical switch remote manual, system performance testing authentic and valid during facilitating engineer applied, use the switching of electrical switch automatic remote, conveniently realize the automatic system performance detection during engineer applied.
Accompanying drawing explanation
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of one preferred embodiment 1 of this utility model.
Fig. 2 is the structural representation of one preferred embodiment 2 of this utility model.
Fig. 3 is the structural representation of one preferred embodiment 3 of this utility model.
Detailed description of the invention
Embodiment 1
The interfacility link monitoring terminal adapter of the present embodiment is as it is shown in figure 1, include: regulation resistance RLA, RLB, RLC, RLD；Resistance R1, diode V1, light emitting diode L1, there is the input port A and delivery outlet B of both positive and negative polarity；It is respectively arranged with fast connecting joint on input port A and delivery outlet B；The both positive and negative polarity of input port A and delivery outlet B is connected by the first and second lead-in wires respectively；The two ends of regulation resistance RLA, RLB, RLC, RLD connect the first and second lead-in wires respectively；Light emitting diode L1, diode V1, resistance R1 are sequentially connected in series between going between in first, second；Connecting line between regulation resistance RLA, RLB, RLC, RLD and first lead-in wire can be cut off.
The interfacility link monitoring terminal adapter that the present embodiment provides is generally used for scene and awards the drive control signal that control equipment does not receive main control device, only provides in the system of self working state signal (switch) to main control device,
Scene is awarded the output signal of control equipment and is generally switch one resistance of series connection, when system is in normal condition, the switch that scene is awarded in the output signal of control equipment is off, main control device is by applying a monitoring voltage between the first lead-in wire 1 and the second lead-in wire 2, first lead-in wire is for just, second lead-in wire is negative, standby current i is gone between by regulation resistance and light emitting diode L2 by first, diode V2, the series loop of resistance R1 flows to the second wire, normal monitoring current value is Inor, for the main control device determined, its monitoring voltage (including frequency and magnitude of voltage) applied is certain, by changing the value (namely cutting off the connecting line between certain or certain several regulation resistance and the first lead-in wire) of regulation resistance, normal monitoring electric current Inor(can be changed and be generally a few mA)；When fast connecting joint A between main control device and terminator cap input port opens a way, the standby current i of main control device output becomes minimum Imin (generally 0)；During fast connecting joint A short circuit between main control device and terminator cap input port, the standby current i of main control device output becomes maximum Imax(and is generally tens mA).
When the output signal circuit breaker in middle Guan Bi of control equipment is awarded at scene, being then equivalent to access a resistance between the first lead-in wire and the second lead-in wire, the standby current i of main control device output becomes big, is labeled as Ion, is then typically chosen Inor≤Ion≤Imax.So, main control device the malfunction of connection line and the on-the-spot signal intensity state awarding control equipment are judged by the change of standby current i.
Embodiment 2
The present embodiment is to improve on the basis of embodiment 1, and its major part is identical, and different piece is as in figure 2 it is shown, node between diode V1 and first lead-in wire is connected to the negative pole of diode V1 also by light emitting diode L2, the diode V2 of differential concatenation successively；Being connected between first lead-in wire and the positive pole of delivery outlet B and have switch SA, switch SA has double-contact, and wherein the first contact connects the positive pole of delivery outlet B by the diode V4 that forward is connected；Second contact of switch SA is connected by the light emitting diode L3 of differential concatenation, resistance R2 and the second lead-in wire；Second contact is connected with the second lead-in wire after being also sequentially connected in series the diode V3 of forward, reverse stabilivolt DW and resistance R3；Between diode V3 and stabilivolt DW, forward is in series with light emitting diode L4；Node between diode V3 with light emitting diode L4 is connected by fictitious load and the second lead-in wire；Node between first contact and the diode V4 of switch SA passes sequentially through the light emitting diode L5 of differential concatenation, resistance R4 and the second lead-in wire is connected.
During normal monitoring state, main control device applies a monitoring voltage between the second lead-in wire 2 and the first lead-in wire 1, second lead-in wire is for just, first lead-in wire is negative, standby current i is flowed to the first wire by the second lead-in wire by the series loop of regulation resistance and R1 Yu V2, L2, normal monitoring current value is Inor, for the main control device determined, its monitoring voltage (including frequency and magnitude of voltage) applied is certain, by changing the value (consistent with embodiment 1) of regulation resistance, normal monitoring electric current Inor(can be changed and be generally a few mA)；When connection line between main control device and terminator cap snap joint is opened a way, the standby current i of main control device output becomes minimum Imin (generally 0)；During connection line short circuit between main control device and terminator cap snap joint, the standby current i of main control device output becomes maximum Imax(and is generally tens mA), main control device typically judges the malfunction of connection line by the change of standby current i.
Under normal monitoring state, standby current returns the first lead-in wire also by series circuit, first contact of switch SA of resistance R4 and light emitting diode L5, light light emitting diode L5, in order to reduce the impact on main control device decision threshold of this circuital current, reduce the electric current in this loop, as long as ensureing that, in the working environment determined, the brightness of light emitting diode ensure that personnel conveniently identify as far as possible, in most cases, less than 1mA.
When main control device starts controlled plant, main control device is by applying a driving voltage contrary with normal monitoring voltage between the first lead-in wire 1 with the second lead-in wire 2, first lead-in wire is for just, second lead-in wire is negative, drive electric current by the first lead-in wire by switching SA, diode V4 to controlled plant, and returned by the second lead-in wire, simultaneously drive electric current by passing sequentially through light emitting diode L1, diode V1, resistance R1, light light emitting diode L1.
For under routine work state, system exist can not powered controlled plant time, if needing the control performance of system is detected, then realize contact by operation switch SA to change, simulator is accessed the first lead-in wire, cut off the connection of the first lead-in wire and real equipment, as shown in Figure 2, now standby current passes through resistance R2, light emitting diode L3, second contact of switch SA returns the first lead-in wire, light light emitting diode L3, show to switch switching state, standby current can not be via resistance R4, light emitting diode L5, light emitting diode L5 extinguishes, show to switch handover success.
After confirming switch handover success, main control device sends startup order, then main control device is by applying driving voltage between the first lead-in wire 1 and the second lead-in wire 2, first lead-in wire is for just, and the second lead-in wire is negative, drives electric current by the first lead-in wire by switch SA, diode V3 to subsequent conditioning circuit, and returned by the second lead-in wire, follow-up circuit, should be roughly the same with real equipment for the electric parameter of simulator, and wherein consuming electric current should be not less than the minimum drive current of real equipment.In the case of driving simulator, when driving voltage is more than the voltage stabilizing value of stabilivolt DW, Zener diode DW enters conducting state, drive electric current also will pass sequentially through light emitting diode L4, Zener diode DW, resistance R3, light light emitting diode L4, show that the control performance that drives of main control device meets the control requirement of real equipment, if during the voltage stabilizing value that driving voltage is less than Zener diode DW, stabilivolt DW can not turn on, light emitting diode L4 can not be lit, and shows that the driven nature of main control device can not meet the control requirement of real equipment.
Embodiment 3
The present embodiment is to improve on the basis of embodiment 2, its major part is identical, different piece is as shown in Figure 3, switch SA is replaced by relay K, to realize electronics switching, the most i.e. automatic switching control can be carried out as required by main control device, same, this relay K can also be replaced by the electrical switch such as audion, field effect transistor, and its effect is the most different.
This utility model is not limited to the various embodiments described above, the technical scheme that all employing equivalents are formed, and all falls within the protection domain of this utility model requirement.
Claims (4)
1. an interfacility link monitoring terminal adapter, it is characterised in that including: at least two regulation resistance, the first resistance, the first diode, the first light emitting diode, the input port with both positive and negative polarity and delivery outlet；Equipped with fast connecting joint on described input port and delivery outlet；The both positive and negative polarity of described input port and delivery outlet is connected by the first and second lead-in wires respectively；The two ends of described regulation resistance connect described first and second lead-in wires respectively；The positive pole of described first light emitting diode connects described first lead-in wire, and negative pole connects the positive pole of described first diode, and the negative pole of described first diode connects the second lead-in wire by the first resistance；Between described regulation resistance with described first lead-in wire, the 3rd lead-in wire by cutting off is connected.
Interfacility link monitoring terminal adapter the most according to claim 1, it is characterised in that: the node between described first diode and described first lead-in wire is connected to the negative pole of described first diode also by the second light emitting diode of differential concatenation successively, the second diode；Being connected between first lead-in wire and the positive pole of described delivery outlet and have switch, described switch has double-contact, and wherein the first contact connects the positive pole of described delivery outlet by the 4th diode that forward is connected；Second contact of described switch is connected with described second lead-in wire by the second resistance；Described second contact is connected with described second lead-in wire after being also sequentially connected in series the 3rd diode of forward, reverse stabilivolt and the 3rd resistance；Node between described 3rd diode and stabilivolt is connected with described second lead-in wire by fictitious load；Node between described first contact and the 4th diode passes sequentially through the 5th light emitting diode of differential concatenation, the 4th resistance is connected with described second lead-in wire.
Interfacility link monitoring terminal adapter the most according to claim 2, it is characterised in that: described switch is the one in hand switch, relay, audion, field effect transistor.
Interfacility link monitoring terminal adapter the most according to claim 2, it is characterised in that: between the second contact and described second resistance of described switch, differential concatenation has the 3rd light emitting diode；Between described 3rd diode and described stabilivolt, forward is in series with the 4th light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620243257.4U CN205488798U (en) | 2016-03-28 | 2016-03-28 | Equipment connecting wire monitor terminal adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620243257.4U CN205488798U (en) | 2016-03-28 | 2016-03-28 | Equipment connecting wire monitor terminal adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205488798U true CN205488798U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620243257.4U Expired - Fee Related CN205488798U (en) | 2016-03-28 | 2016-03-28 | Equipment connecting wire monitor terminal adapter |
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| CN (1) | CN205488798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581108A (en) * | 2018-11-30 | 2019-04-05 | 四川航天系统工程研究所 | A kind of fexible unit and its investigation method for electrical malfunction investigation |
-
2016
- 2016-03-28 CN CN201620243257.4U patent/CN205488798U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581108A (en) * | 2018-11-30 | 2019-04-05 | 四川航天系统工程研究所 | A kind of fexible unit and its investigation method for electrical malfunction investigation |
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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 |
Granted publication date: 20160817 Termination date: 20210328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |