CN203911572U - Primary device and standby device automatic switching and control circuit in energy-saving building, and primary device and standby device automatic switching system in energy-saving building - Google Patents
Primary device and standby device automatic switching and control circuit in energy-saving building, and primary device and standby device automatic switching system in energy-saving building Download PDFInfo
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- CN203911572U CN203911572U CN201420189252.9U CN201420189252U CN203911572U CN 203911572 U CN203911572 U CN 203911572U CN 201420189252 U CN201420189252 U CN 201420189252U CN 203911572 U CN203911572 U CN 203911572U
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The utility model provides a primary device and standby device automatic switching and control circuit in an energy-saving building, and a primary device and standby device automatic switching system in the energy-saving building. The primary device and standby device automatic switching and control circuit in the energy-saving building comprises a primary/standby device loop, and the primary/standby device loop comprises a starting button, a first contactor and a normally-closed switch of a first thermal relay which are connected in series orderly, and also comprises an auxiliary normally open switch of a first intermediate relay and the first intermediate relay which are connected in series with each other. The first connection point of the auxiliary normally open switch of the first intermediate relay is connected with the first connection point of the starting button, and the second connection point of the auxiliary normally open switch of the first intermediate relay is connected with the second connection point of the starting button. The primary/standby device loop further comprises an auxiliary normally-closed switch of the first contactor, a second contactor and a normally-closed switch of a second thermal relay which are connected in series orderly. The first connection point of the auxiliary normally-closed switch of the first contactor is connected with the second connection point of the auxiliary normally open switch of the first intermediate relay. The primary device and standby device automatic switching and control circuit in the energy-saving building, and the primary device and standby device automatic switching system in the energy-saving building of the utility model are low in cost and high in efficiency.
Description
Technical field
The utility model relates to technical field of automation, relates in particular to primary, spare equipment automatic switching control circuit and system in a kind of energy saving building.
Background technology
Along with improving constantly of social fast development and production efficiency, in order to prevent, because equipment fault is to producing and living and bring unnecessary trouble and loss, having introduced stand-by equipment.When host apparatus breaks down, use stand-by equipment to guarantee normally carrying out of production and life.The damp production causing due to subjective factor has been avoided in the automatic switchover of primary, spare equipment.Primary, spare equipment automatic switchover system has ensured production efficiency, has improved system reliability of operation.
In existing primary, spare equipment automatic switchover system, after wherein an equipment breaks down, the method that starts stand-by equipment is probably divided several: the one, and people is for manually booting stand-by equipment, another kind is exactly by building equipment robot control system(RCS) (Building Automation System-RTU, abbreviation BA) realize device start, also having a kind of is exactly by programmable logic controller (PLC) (Programmable Logic Controller is called for short PLC), to realize intelligence to switch.
BA system is centered by a microcomputer, by the network that meets industrial standard, to being distributed in the region intelligent substation (being DDC) of monitoring site, connect, by specific end-equipment, realize the professional building automatic control system to building electromechanical equipment centralized monitor and management.Programmable logic controller (PLC) PLC is a kind of digital electronic device with microprocessor, and the digital logic controller of controlling for automation can load control command at any time in internal memory and store and carry out.Programmable Logic Controller is by innernal CPU, and the unit institute modularities such as instruction and data internal memory, input-output unit, power supply module, digital simulation are combined into.
All there is certain drawback in the said method of prior art: manually boot and need staff to have certain operating experience and start and need the regular hour from fault to stand-by equipment, the system that to a certain degree affected is moved normally; BA system is generally applied in building, and as shopping mall, star hotel etc. introduce this system, and this system configuration is huge and complicated, and somewhat expensive is safeguarded also more difficult; Adopt PLC to realize the system of switching, expense is also more expensive.
Utility model content
The utility model provides primary, spare equipment automatic switching control circuit and system in a kind of energy saving building, time-consuming to solve in prior art primary, spare equipment handover operation, and the higher problem of cost.
First aspect, the utility model provides a kind of primary, spare equipment automatic switching control circuit, comprising:
Primary/standby devices loop, comprising: the normally closed switch of start button, the first contactor and the first thermal relay, successively series connection;
Described primary/standby devices loop, also comprise: auxiliary normal open switch and first auxiliary relay of first auxiliary relay of mutually connecting, the first tie point of the auxiliary normal open switch of described the first auxiliary relay is connected with the first tie point of described start button, and the second tie point of the auxiliary normal open switch of described the first auxiliary relay is connected with the second tie point of described start button;
Described primary/standby devices loop, also comprise: the normally closed switch of the auxiliary normally closed switch of the first contactor, the second contactor, the second thermal relay, series connection successively, the first tie point of the auxiliary normally closed switch of described the first contactor is connected with the second tie point of the auxiliary normal open switch of described the first auxiliary relay.
Alternatively, also comprise:
Host apparatus running status indicating circuit parallel with one another, stand-by equipment running status indicating circuit, host apparatus failure indicating circuit and stand-by equipment failure indicating circuit;
Wherein, described host apparatus running status indicating circuit, comprising: auxiliary normal open switch and the host apparatus run signal lamp of first contactor of mutually connecting;
Described stand-by equipment running status indicating circuit, comprising:
Auxiliary normal open switch and the stand-by equipment run signal lamp of second contactor of mutually connecting;
Described host apparatus failure indicating circuit, comprise: normal open switch and the host apparatus emergency light of first thermal relay of mutually connecting, the mutually auxiliary normal open switch of the trouble shooting button of the auxiliary normally-closed contact of the second auxiliary relay of series connection and buzzer, series connection mutually and the second auxiliary relay, the second auxiliary relay, the first tie point of the auxiliary normally closed switch of described the second auxiliary relay is connected with the first tie point of described host apparatus emergency light, the second tie point of described buzzer is connected with the second tie point of described host apparatus emergency light, the first tie point of described trouble shooting button is connected with the first tie point of described host apparatus emergency light, the second tie point of described the second auxiliary relay is connected with the second tie point of described host apparatus emergency light, the first tie point of the auxiliary normal open switch of described the second auxiliary relay is connected with the first tie point of described trouble shooting button, the second tie point of the auxiliary normal open switch of described the second auxiliary relay is connected with the second tie point of described trouble shooting button,
Described stand-by equipment failure indicating circuit, comprising:
Normally opened contact, the stand-by equipment emergency light of second thermal relay of mutually connecting;
Described host apparatus running status indicating circuit parallel with one another, stand-by equipment running status indicating circuit, host apparatus failure indicating circuit and stand-by equipment failure indicating circuit are in parallel with described primary/standby devices loop respectively.
Alternatively, also comprise: fuse, stop button, power supply indicator; Described stop button is connected with described fuse, described power supply indicator is in parallel with described primary/standby devices loop, described host apparatus running status indicating circuit, described stand-by equipment running status indicating circuit, described host apparatus failure indicating circuit and described stand-by equipment failure indicating circuit respectively, and connects with described fuse.
Second aspect, the utility model provides a kind of primary, spare equipment automatic switchover system, comprising:
The auxiliary normal open switch of the auxiliary normal open switch of power supply, the first contactor, the first thermal relay, host apparatus, the second contactor, the second thermal relay, stand-by equipment and the primary, spare equipment automatic switching control circuit as described in first aspect; Described power supply is connected with the auxiliary normal open switch of described the first contactor and the auxiliary normal open switch of described the second contactor respectively, the auxiliary normal open switch of described the first contactor, described the first thermal relay are connected with described host apparatus, the auxiliary normal open switch of described the second contactor, described the second thermal relay are connected with described stand-by equipment, the live wire of described power supply is connected with the first tie point of described control circuit, and the second tie point of described control circuit is connected with zero line.
Alternatively, also comprise:
Circuit breaker, is connected with described power supply respectively, the auxiliary normal open switch of described the first contactor and the auxiliary normal open switch of described the second contactor be connected.
The primary, spare equipment automatic switching control circuit of the utility model and system, realized primary, spare equipment and automatically switched by primary/standby devices loop parallel with one another, host apparatus running status indicating circuit, stand-by equipment running status indicating circuit, host apparatus failure indicating circuit; When host apparatus breaks down, the contact of the normally closed switch of the first thermal relay disconnects, the closing of contact of the normal open switch of the first thermal relay, and host apparatus emergency light is lighted, and buzzer ring is reported to the police; The contact of the normally closed switch of the first thermal relay disconnects, and makes the first contactor dead electricity, the closing of contact of the auxiliary normally closed switch of the first contactor, and electric current arrives the second contactor, and stand-by equipment is enabled; The closing of contact of the auxiliary normal open switch of the second contactor, stand-by equipment run signal lamp is lighted, when host apparatus recover normal after, the first contactor obtains electric described in the closing of contact of the normally closed switch of the first thermal relay; The contact of the auxiliary normally closed switch of the first contactor disconnects, the second contactor dead electricity, and stand-by equipment is out of service; The contact of described the first thermal relay normal open switch disconnects, described host apparatus emergency light dead electricity is also extinguished, realize the automatic switchover between host apparatus and stand-by equipment, solved in prior art primary, spare equipment handover operation time-consuming, and the higher problem of cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation one of primary, spare equipment automatic switching control circuit embodiment mono-in the utility model energy saving building;
Fig. 2 is the structural representation two of primary, spare equipment automatic switching control circuit embodiment mono-in the utility model energy saving building;
Fig. 3 is the structural representation of primary, spare equipment automatic switchover system embodiment mono-in the utility model energy saving building;
Fig. 4 is the flow chart of primary, spare equipment automatic switching method embodiment mono-in the utility model energy saving building.
Embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structural representation one of primary, spare equipment automatic switching control circuit embodiment mono-in the utility model energy saving building, and Fig. 2 is the structural representation two of primary, spare equipment automatic switching control circuit embodiment mono-in the utility model energy saving building.As shown in Figure 1, the primary, spare equipment automatic switching control circuit 10 of the present embodiment, can comprise:
Primary/standby devices loop 1, comprising: the normally closed switch 12 of start button SB2, the first contactor KM1 and the first thermal relay KH1, successively series connection;
Primary/standby devices loop 1, also comprise: auxiliary normal open switch 13 and the first auxiliary relay KA1 of the first auxiliary relay KA1 mutually connecting, the first tie point a0 of the auxiliary normal open switch 13 of the first auxiliary relay KA1 is connected with the first tie point b0 of start button SB2, and the second tie point a1 of the auxiliary normal open switch 13 of the first auxiliary relay KA1 is connected with the second tie point b1 of start button SB2;
Primary/standby devices loop 1, also comprise: the auxiliary normally closed switch 14 of the first contactor KM1, the normally closed switch 15 of the second contactor KM2, the second thermal relay KH2, series connection successively, the first tie point c0 of the auxiliary normally closed switch 14 of the first contactor KM1 is connected with the second tie point a1 of the auxiliary normal open switch 13 of the first auxiliary relay KA1.
Alternatively, as shown in Figure 2, the control circuit 10 of the present embodiment, can also comprise:
Host apparatus running status indicating circuit 2 parallel with one another, stand-by equipment running status indicating circuit 3, host apparatus failure indicating circuit 4 and stand-by equipment failure indicating circuit 5;
Host apparatus running status indicating circuit 2, comprising:
Auxiliary normal open switch 16 and the host apparatus run signal lamp HG1 of the first contactor KM1 mutually connecting;
Stand-by equipment running status indicating circuit 3, comprising:
Auxiliary normally opened contact 17 and the stand-by equipment run signal lamp HG2 of the second contactor KM2 mutually connecting;
Host apparatus failure indicating circuit 4, comprise: normal open switch 18 and the host apparatus emergency light HY1 of the first thermal relay KH1 mutually connecting, the mutually auxiliary normally closed switch 19 of the second auxiliary relay KA2 of series connection and buzzer HA, the trouble shooting button SR of series connection mutually and the auxiliary normal open switch 20 of the second auxiliary relay KA2, the second auxiliary relay KA2, the first tie point d0 of the auxiliary normally closed switch 19 of the second auxiliary relay KA2 is connected with the first tie point e0 of host apparatus emergency light HY1, the second tie point f1 of buzzer HA is connected with the second tie point e1 of host apparatus emergency light HY1, the first tie point g0 of trouble shooting button SR is connected with the first tie point e0 of host apparatus emergency light HY1, the second tie point h1 of the second auxiliary relay KA2 is connected with the second tie point e1 of host apparatus emergency light HY1, the first tie point j0 of the auxiliary normal open switch 20 of the second auxiliary relay KA2 is connected with the first tie point g0 of trouble shooting button SR, the second tie point j1 of the auxiliary normal open switch 20 of the second auxiliary relay KA2 is connected with the second tie point g1 of trouble shooting button SR.
Stand-by equipment failure indicating circuit 5, comprising:
Normal open switch 21, the stand-by equipment emergency light HY2 of the second thermal relay KH2 mutually connecting; Described host apparatus running status indicating circuit 2 parallel with one another, stand-by equipment running status indicating circuit 3, host apparatus failure indicating circuit 4 and stand-by equipment failure indicating circuit 5 are in parallel with primary/standby devices loop 1 respectively.
Alternatively, the control circuit 10 of the present embodiment, also comprises:
Fuse FU, stop button SB1, power supply indicator HR; Stop button SB1 is connected with fuse FU, power supply indicator HR is in parallel with primary/standby devices loop 1, host apparatus running status indicating circuit 2, stand-by equipment running status indicating circuit 3, host apparatus failure indicating circuit 4 and stand-by equipment failure indicating circuit 5 respectively, and connects with fuse FU.
Particularly, as shown in Figure 1, 2, electric current arrives the power supply of start button SB2 and surveys (left side in figure), when pressing start button SB2, it is the closing of contact of start button SB2, electric current arrives a point of the first contactor KM1 coil and a point of the first auxiliary relay KA1 coil, the first contactor KM1 and the first auxiliary relay KA1 adhesive respectively; The closing of contact of the auxiliary normal open switch 13 of the first auxiliary relay KA1, after guaranteeing that start button is upspring, the normal power supply of the first contactor KM1 and the first auxiliary relay KA1; The contact of the auxiliary normally closed switch 14 of the first contactor KM1 disconnects, and the second contactor KM2 of back-up circuit 6 must not be electric, so stand-by equipment can not enabled; The closing of contact of the auxiliary normal open switch 16 of the first contactor KM1, host apparatus run signal lamp HG1 lights, and shows that host apparatus brings into operation.
When host apparatus is because of overcurrent or overheated, while breaking down, the contact of the normally closed switch 12 of the first thermal relay KH1 disconnects, the closing of contact of the normal open switch 18 of the first thermal relay KH1, host apparatus emergency light HY1 lights, due to the closing of contact of the auxiliary normally closed switch 19 of the second auxiliary relay KA2, so buzzer HA ring is reported to the police.
Because the contact of the normally closed switch 12 of the first thermal relay KH1 disconnects, make the first contactor KM1 dead electricity, the closing of contact of the auxiliary normally closed switch 14 of the first contactor KM1, electric current arrives the second contactor KM2, and back-up circuit 6 starts, and stand-by equipment brings into operation; The closing of contact of the auxiliary normal open switch 17 of the second contactor KM2, stand-by equipment run signal lamp HG2 lights, and shows that stand-by equipment brings into operation.
When operator on duty hears after the buzzer warning sound, click trouble shooting button SR, the second auxiliary relay KA2 obtains electric, and therefore the contact of the auxiliary normally closed switch 19 of the second auxiliary relay KA2 disconnects, buzzer HA stop alarm; The closing of contact of the auxiliary normal open switch 20 of the second auxiliary relay KA2; make the second auxiliary relay KA2 can obtain electric; the contact of the auxiliary normally closed switch 19 of the second auxiliary relay KA2 is in off-state, and buzzer can not reported to the police, the self-keeping circuit that this loop is trouble shooting.
When host apparatus fault solves, after host apparatus recovers normally, the closing of contact of the normally closed switch 12 of the first thermal relay KH1, makes the coil of the first contactor KM1 obtain electric; The contact of the auxiliary normally closed switch 14 of the first contactor KM1 disconnects, the second contactor KM2 dead electricity, and back-up circuit 6 is out of service, and stand-by equipment is stopped using; The contact of the normal open switch 18 of the first thermal relay KH1 disconnects, and host apparatus emergency light HY1 dead electricity, extinguishes.
Stand-by equipment when operation, also may be due to motor during because of overload or overheated breaking down, the contact of the normally closed switch 15 of the second thermal relay KH2 disconnects, the closing of contact of the normal open switch 21 of the second thermal relay KH2, stand-by equipment emergency light HY2 lights.
As shown in Figure 2, the control circuit 10 of the present embodiment, can also comprise: fuse FU, stop button SB1 and power supply indicator HR, and fuse FU is in order to prevent control circuit short circuit, when control circuit short circuit, meeting automatic shutoff circuit, can not affect the normal operation of host apparatus and stand-by equipment.When electric current enters control circuit through fuse FU, when the normally-closed contact of stop button SB1 is closed, power supply indicator HR lights, and shows that the power supply of control circuit is normal.In figure, the position of stop button is not limited thereto, also can be before start button SB2.
The present embodiment, has been realized primary, spare equipment and has been automatically switched by primary/standby devices loop parallel with one another, host apparatus running status indicating circuit, stand-by equipment running status indicating circuit, host apparatus failure indicating circuit; When host apparatus breaks down, the contact of the normally closed switch of the first thermal relay disconnects, the closing of contact of the normal open switch of the first thermal relay, and host apparatus emergency light is lighted, and buzzer ring is reported to the police; The contact of the normally closed switch of the first thermal relay disconnects, and makes the first contactor dead electricity, the closing of contact of the auxiliary normally closed switch of the first contactor, and electric current arrives the second contactor, and stand-by equipment is enabled; The closing of contact of the auxiliary normal open switch of the second contactor, stand-by equipment run signal lamp is lighted, when host apparatus recover normal after, the first contactor obtains electric described in the closing of contact of the normally closed switch of the first thermal relay; The contact of the auxiliary normally closed switch of the first contactor disconnects, the second contactor dead electricity, and stand-by equipment is out of service; The contact of described the first thermal relay normal open switch disconnects, described host apparatus emergency light dead electricity is also extinguished, realize the automatic switchover between host apparatus and stand-by equipment, solved in prior art primary, spare equipment handover operation time-consuming, and the higher problem of cost.
Fig. 3 is the structural representation of primary, spare equipment automatic switchover system embodiment mono-in the utility model energy saving building, as shown in Figure 3, the system 100 of the present embodiment comprises: the auxiliary normal open switch 104 of the auxiliary normal open switch 102 of power supply 101, the first contactor KA1, the first thermal relay KH1, host apparatus 103, the second contactor KA2, the second thermal relay KH2, stand-by equipment 105 and the control circuit 10 described in primary, spare equipment automatic switching control circuit embodiment; Power supply 101 is connected with the auxiliary normal open switch 104 of the second contactor KA2 with the auxiliary normal open switch 102 of the first contactor KA1 respectively, the auxiliary normal open switch 102 of the first contactor KA1, the first thermal relay KH1 are connected with host apparatus 103, the auxiliary normal open switch 104 of the second contactor KA2, the second thermal relay KH2 are connected with stand-by equipment 105, the live wire of power supply 101 (in Fig. 3, L1, L2, L3 are any one) is connected with first tie point (the L end in Fig. 2) of control circuit 10, and the second tie point of control circuit (the N end of Fig. 2 China) is connected with zero line.
In Fig. 2 the first contactor KM1 obtain electric after, the closing of contact of the auxiliary normal open switch 102 of the first contactor KM1 in Fig. 3, host apparatus operation; In Fig. 2 the second contactor KM2 obtain electric after, the closing of contact of the auxiliary normal open switch 104 of the second contactor KM2 in Fig. 3, stand-by equipment operation.
Alternatively, the system 100 of the present embodiment, also comprises:
Circuit breaker Q F, is connected with power supply 101 respectively, the contact of the auxiliary normal open switch 102 of the first contactor KA1 is connected with the contact of the auxiliary normal open switch 104 of the second contactor KA2.
Wherein, control circuit can adopt the arbitrary structures of Fig. 1, Fig. 2 embodiment, its accordingly, technical scheme that can manner of execution embodiment, it realizes principle and technique effect is similar, repeats no more herein.
Fig. 4 is the flow chart of primary, spare equipment automatic switching method embodiment mono-in the utility model energy saving building, as shown in Figure 4, the method utilization of the present embodiment control circuit 10 pairs of host apparatus, stand-by equipments as shown in Fig. 1 in primary, spare equipment automatic switching control circuit embodiment automatically switch, and comprising:
Step 401, when the closing of contact of start button, electric current, through start button, arrives the first contactor and the first auxiliary relay, the adhesive respectively of the first contactor and the first auxiliary relay; The closing of contact of the auxiliary normal open switch of the first auxiliary relay; The contact of the auxiliary normally closed switch of the first contactor disconnects, and the second contactor must not electricity.
Step 402, when host apparatus breaks down, the contact of the normally closed switch of the first thermal relay disconnects, and makes the first contactor dead electricity, the closing of contact of the auxiliary normally closed switch of the first contactor, electric current arrives the second contactor, stand-by equipment is enabled.
Step 403, when host apparatus recover normal after, the closing of contact first contactor of the normally closed switch of the first thermal relay obtains electric; The contact of the auxiliary normally closed switch of the first contactor disconnects, the second contactor dead electricity, and stand-by equipment is out of service.
Alternatively, the method for the present embodiment, utilizes control circuit 10 pairs of host apparatus, stand-by equipments as shown in Fig. 2 in primary, spare equipment automatic switching control circuit embodiment to automatically switch, and comprising:
When the closing of contact of described start button, electric current, through described start button, arrives described the first contactor and described the first auxiliary relay, described the first contactor and the adhesive respectively of described the first auxiliary relay; The closing of contact of the auxiliary normal open switch of described the first auxiliary relay; The contact of the auxiliary normally closed switch of described the first contactor disconnects, and described the second contactor must not be electric; The closing of contact of the auxiliary normal open switch of described the first contactor, host apparatus run signal lamp is lighted.
When host apparatus breaks down, the contact of the normally closed switch of described the first thermal relay disconnects, the closing of contact of the normal open switch of described the first thermal relay, and described host apparatus emergency light is lighted, and described buzzer ring is reported to the police; The contact of the normally closed switch of described the first thermal relay disconnects, and makes described the first contactor dead electricity, the closing of contact of the auxiliary normally closed switch of described the first contactor, and electric current arrives described the second contactor, and described stand-by equipment is enabled; The closing of contact of the auxiliary normal open switch of described the second contactor, described stand-by equipment run signal lamp is lighted.
Click described trouble shooting button, described the second auxiliary relay obtains electric, and the contact of the auxiliary normally closed switch of described the second auxiliary relay disconnects, buzzer stop alarm; The closing of contact of the auxiliary normal open switch of described the second auxiliary relay.
When described host apparatus recover normal after, the first contactor obtains electric described in the closing of contact of the normally closed switch of described the first thermal relay; The contact of the auxiliary normally closed switch of described the first contactor disconnects, described the second contactor dead electricity, and described stand-by equipment is out of service; The contact of described the first thermal relay normal open switch disconnects, and described host apparatus emergency light dead electricity is also extinguished;
Also comprise:
When described stand-by equipment breaks down, the contact of described the second thermal relay normally closed switch disconnects, the closing of contact of described the second thermal relay normal open switch, and described stand-by equipment emergency light is lighted.
Alternatively, the method for the present embodiment, also comprises:
Electric current enters described control circuit through fuse, if the closing of contact of the normally closed switch of described stop button the power supply indicator of described control circuit light;
The method of the present embodiment, can be used the arbitrary structures of control circuit embodiment shown in Fig. 1, Fig. 2 to carry out the technical scheme of primary, spare equipment automatic switching method, and it realizes principle and technique effect is similar, repeats no more herein.
Finally it should be noted that: each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit above; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (5)
1. a primary, spare equipment automatic switching control circuit in energy saving building, is characterized in that, comprising:
Primary/standby devices loop, comprising: the normally closed switch of start button, the first contactor and the first thermal relay, successively series connection;
Described primary/standby devices loop, also comprise: auxiliary normal open switch and first auxiliary relay of first auxiliary relay of mutually connecting, the first tie point of the auxiliary normal open switch of described the first auxiliary relay is connected with the first tie point of described start button, and the second tie point of the auxiliary normal open switch of described the first auxiliary relay is connected with the second tie point of described start button;
Described primary/standby devices loop, also comprise: the normally closed switch of the auxiliary normally closed switch of the first contactor, the second contactor, the second thermal relay, series connection successively, the first tie point of the auxiliary normally closed switch of described the first contactor is connected with the second tie point of the auxiliary normal open switch of described the first auxiliary relay.
2. control circuit according to claim 1, is characterized in that, also comprises:
Host apparatus running status indicating circuit parallel with one another, stand-by equipment running status indicating circuit, host apparatus failure indicating circuit and stand-by equipment failure indicating circuit;
Wherein, described host apparatus running status indicating circuit, comprising: auxiliary normal open switch and the host apparatus run signal lamp of first contactor of mutually connecting;
Described stand-by equipment running status indicating circuit, comprising:
Auxiliary normal open switch and the stand-by equipment run signal lamp of second contactor of mutually connecting;
Described host apparatus failure indicating circuit, comprise: normal open switch and the host apparatus emergency light of first thermal relay of mutually connecting, the mutually auxiliary normal open switch of the trouble shooting button of the auxiliary normally-closed contact of the second auxiliary relay of series connection and buzzer, series connection mutually and the second auxiliary relay, the second auxiliary relay, the first tie point of the auxiliary normally closed switch of described the second auxiliary relay is connected with the first tie point of described host apparatus emergency light, the second tie point of described buzzer is connected with the second tie point of described host apparatus emergency light, the first tie point of described trouble shooting button is connected with the first tie point of described host apparatus emergency light, the second tie point of described the second auxiliary relay is connected with the second tie point of described host apparatus emergency light, the first tie point of the auxiliary normal open switch of described the second auxiliary relay is connected with the first tie point of described trouble shooting button, the second tie point of the auxiliary normal open switch of described the second auxiliary relay is connected with the second tie point of described trouble shooting button,
Described stand-by equipment failure indicating circuit, comprising:
Normally opened contact, the stand-by equipment emergency light of second thermal relay of mutually connecting;
Described host apparatus running status indicating circuit parallel with one another, stand-by equipment running status indicating circuit, host apparatus failure indicating circuit and stand-by equipment failure indicating circuit are in parallel with described primary/standby devices loop respectively.
3. control circuit according to claim 2, is characterized in that, also comprises: fuse, stop button, power supply indicator; Described stop button is connected with described fuse, described power supply indicator is in parallel with described primary/standby devices loop, described host apparatus running status indicating circuit, described stand-by equipment running status indicating circuit, described host apparatus failure indicating circuit and described stand-by equipment failure indicating circuit respectively, and connects with described fuse.
4. a primary, spare equipment automatic switchover system in energy saving building, is characterized in that, comprising:
The auxiliary normal open switch of the auxiliary normal open switch of power supply, the first contactor, the first thermal relay, host apparatus, the second contactor, the second thermal relay, stand-by equipment and the primary, spare equipment automatic switching control circuit as described in claim 1～3 any one; Described power supply is connected with the auxiliary normal open switch of described the first contactor and the auxiliary normal open switch of described the second contactor respectively, the auxiliary normal open switch of described the first contactor, described the first thermal relay are connected with described host apparatus, the auxiliary normal open switch of described the second contactor, described the second thermal relay are connected with described stand-by equipment, the live wire of described power supply is connected with the first tie point of described control circuit, and the second tie point of described control circuit is connected with zero line.
5. system according to claim 4, is characterized in that, also comprises:
Circuit breaker, is connected with described power supply respectively, the auxiliary normal open switch of described the first contactor and the auxiliary normal open switch of described the second contactor be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189252.9U CN203911572U (en) | 2014-04-17 | 2014-04-17 | Primary device and standby device automatic switching and control circuit in energy-saving building, and primary device and standby device automatic switching system in energy-saving building |
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| CN201420189252.9U CN203911572U (en) | 2014-04-17 | 2014-04-17 | Primary device and standby device automatic switching and control circuit in energy-saving building, and primary device and standby device automatic switching system in energy-saving building |
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| CN203911572U true CN203911572U (en) | 2014-10-29 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108313234A (en) * | 2018-03-21 | 2018-07-24 | 无锡德林防务装备股份有限公司 | Open type hydraulic system watertight controlling device for doors |
| CN108363320A (en) * | 2018-02-28 | 2018-08-03 | 苏州锃道研磨技术有限公司 | Main shaft orientation and rotary joint controlling and driving circuits |
| CN110429944A (en) * | 2019-07-15 | 2019-11-08 | 交通运输部北海航海保障中心天津通信中心 | A kind of antenna exchanger and system for intermediate frequency sender |
| CN112260393A (en) * | 2020-10-20 | 2021-01-22 | 新誉庞巴迪信号系统有限公司 | Automatic switching circuit and method for cold standby redundancy system |
| CN115857310A (en) * | 2023-03-03 | 2023-03-28 | 三一氢能有限公司 | Control system and control method of electrolysis equipment and electrolysis equipment |
-
2014
- 2014-04-17 CN CN201420189252.9U patent/CN203911572U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108363320A (en) * | 2018-02-28 | 2018-08-03 | 苏州锃道研磨技术有限公司 | Main shaft orientation and rotary joint controlling and driving circuits |
| CN108313234A (en) * | 2018-03-21 | 2018-07-24 | 无锡德林防务装备股份有限公司 | Open type hydraulic system watertight controlling device for doors |
| CN110429944A (en) * | 2019-07-15 | 2019-11-08 | 交通运输部北海航海保障中心天津通信中心 | A kind of antenna exchanger and system for intermediate frequency sender |
| CN112260393A (en) * | 2020-10-20 | 2021-01-22 | 新誉庞巴迪信号系统有限公司 | Automatic switching circuit and method for cold standby redundancy system |
| CN115857310A (en) * | 2023-03-03 | 2023-03-28 | 三一氢能有限公司 | Control system and control method of electrolysis equipment and electrolysis equipment |
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