CN204103774U - A kind of flame-proof mine intelligent integral supply unit - Google Patents
A kind of flame-proof mine intelligent integral supply unit Download PDFInfo
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- CN204103774U CN204103774U CN201420545438.3U CN201420545438U CN204103774U CN 204103774 U CN204103774 U CN 204103774U CN 201420545438 U CN201420545438 U CN 201420545438U CN 204103774 U CN204103774 U CN 204103774U
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Abstract
The utility model relates to mine power resource technical field, disclose a kind of flame-proof mine intelligent integral supply unit, at least one accumulator power source apparatus that described integrated power source apparatus comprises explosion-proof feeding device and is connected with explosion-proof feeding device, and described explosion-proof feeding device is also connected with the down-hole distribution substation communication apparatus of outside, emergency-lighting set, high-voltage switch gear cabinet equipment and power supply unit.The utility model can provide interchange or the DC power supply of different electric pressure, different purposes, and power supply reliability is high, power quality is good, preparation time is long, solve the outer underground coal mine back-up source of Present Domestic well to lack or managerial confusion is numerous and diverse, the control power supply of electric power facility instability, harmonic wave serious interference, voltage are beated obviously, communication equipment preparation time is short, can not monitor the outstanding problem that underground power supply used equipment easily causes the accident when down-hole main power source has a power failure in real time.
Description
Technical field
The utility model relates to mine power resource technical field, more particularly, and particularly a kind of flame-proof mine integrated power source apparatus.
Background technology
Up to now; the control power supply of underground explosion-proof explosion-proof type High-low voltage switch cabinet and operating power all take from the 100V alternating voltage that flame-proof type inside switch cabinet secondary coil of voltage transformer exports; its voltage fluctuation is large; harmonic wave serious interference, the quality of power supply is poor, it is unreliable to power; easily cause protective device malfunction or overstep tripping, easily cause down-hole large-area power-cuts.Owing to there is no down-hole back-up source at present, or have back-up source but preparation time very short (battery of a piece little is installed with in flameproof high-voltage switch cubicle), when high pressure has a power failure, automation equipment is power-off immediately also, and ground command center can not be realized to the controller switching equipment of down-hole and on-the-spot real-time monitoring, namely cannot realize remote control, remote regulating, remote signalling, remote measurement " four is distant " function.
Current downhole communication equipment, lighting apparatus, emergency power supply, each area video equipment, oxygen generating plant etc. need the back-up source of different electric pressure, but perfect integrated high backup power equipment does not but have, even if the down-hole back-up power apparatus having fragmentary dispersion to install, can not meet the requirement of down-hole high security, high reliability, high automation degree, long standby time delay.
Utility model content
The purpose of this utility model is to provide a kind of outputting multi electric voltage grade power of alterating and direct current to underground coal mine power consumption equipment, safety means or facility, and out-put supply reliability is high, the quality of power supply is excellent, preparation time is long, equipment operating, operation are simple, have flame-proof explosion-proof function, simultaneously at the flame-proof mine intelligent integral supply unit that underground coal mine is safe and reliable.
In order to solve problem set forth above, the technical solution adopted in the utility model is: a kind of flame-proof mine intelligent integral supply unit, at least two accumulator power source apparatus that described integrated power source apparatus comprises explosion-proof feeding device and is connected with explosion-proof feeding device, and described explosion-proof feeding device is also connected with the down-hole distribution substation communication apparatus of outside, emergency-lighting set, high-voltage switch gear cabinet equipment and power supply unit;
Described explosion-proof feeding device comprises interlocking switch, be connected to the first dry-type transformer on interlocking switch and DC bus ± M, the three-phase alternating current vacuum contactor be connected with the first dry-type transformer, be connected with three-phase alternating current vacuum contactor and parallel with one another two uninterrupted power supplys, the ac bus be connected with two uninterrupted power supply outputs;
Be connected to two HF switch DC converter that DC bus ± M is upper and parallel with one another, be connected to two Switching Power Supplies that DC bus ± M is upper and parallel with one another, be connected to the DC control bus ± KM on DC bus ± M;
And, be connected to the AC power output circuit on ac bus (LM, NM), be connected to the DC power supply output circuit on DC control bus ± KM, be connected to the communication power supply output circuit of two HF switch DC converter outputs.
According to a preferred embodiment of the present utility model: also comprise the second dry-type transformer be connected with the first dry-type transformer output, the coil of described three-phase alternating current vacuum contactor is connected with the output of the second dry-type transformer, and the main contacts of described three-phase alternating current vacuum contactor is connected with the output of the first dry-type transformer; And also control button is provided with between the coil and the output of the second dry-type transformer of three-phase alternating current vacuum contactor.
According to a preferred embodiment of the present utility model: the enabling also comprised for controlling explosion-proof feeding device out-put supply exports power-off interlocked control mechanism, described enabling exports power-off interlocked control mechanism and comprises control AC power output circuit, the micro vacuum contactor of DC power supply output circuit and communication power supply output circuit break-make, the main coil of described micro vacuum contactor is connected with two Switching Power Supplies, and the main contacts of micro vacuum contactor is connected to AC power output circuit, on DC power supply output circuit and communication power supply output circuit, the limit switch that the main coil of described micro vacuum contactor is also arranged on high-voltage switch gear cabinet equipment quick operating valve by a control button and is connected.
According to a preferred embodiment of the present utility model: also comprise main coil and be connected to output loop dead electricity alarm relay on AC power output circuit, DC power supply output circuit and communication power supply output circuit, the supervising device be connected with output loop dead electricity alarm relay main contacts, and the status indicator lamp in parallel with output loop dead electricity alarm relay main coil.
According to a preferred embodiment of the present utility model: described accumulator power source apparatus is two, comprise the first accumulator power source apparatus, the second accumulator power source apparatus, described first accumulator power source apparatus and being simultaneously connected between the second accumulator power source apparatus with explosion-proof feeding device, but asynchronously put into operation, and there is between the first accumulator power source apparatus and the second accumulator power source apparatus the control device that can control its automatic or manual access explosion-proof feeding device, can realize two accumulator power source apparatus one masters one standby, redundancy uses.
According to a preferred embodiment of the present utility model: described explosion-proof feeding device also comprises housing, be located at the wire connection cavity in housing, equipment cavity, described interlocking switch is located in equipment cavity, described first dry-type transformer, two uninterrupted power supplys and two HF switch DC converter are all located in equipment cavity, and described two Switching Power Supplies are also located in equipment cavity; And be also provided with on the housing corresponding with equipment cavity for dispel the heat first foam metal heat radiation and explosion isolation device and the second foam metal heat radiation and explosion isolation device.
According to a preferred embodiment of the present utility model: described first foam metal dispels the heat and explosion isolation device dispels the heat with the second foam metal and the structure of explosion isolation device is consistent, include the flange being provided with through hole be installed on housing, be located at the outer foam metal level outside flange, and the internal foam metal level be located at inside flange, and the aperture (PPI value) on described outer foam metal level is greater than the aperture on internal foam metal level.
According to a preferred embodiment of the present utility model: the outside of described housing is also provided with for preventing coal dust from entering the metal of enclosure interior or nonmetal Air Filter.
According to a preferred embodiment of the present utility model: described outer foam metal level is identical with the material of internal foam metal level, is nichrome, copper, iron, aluminum and aluminum alloy mateial.
According to a preferred embodiment of the present utility model: the joint face between described equipment cavity and wire connection cavity adopts explosion-proof type binding post to connect, and is also provided with manhole on housing.
Compared with prior art, the beneficial effects of the utility model are:
1, the control power supply that flame-proof type intelligent integral supply unit of the present utility model revolutionizes current all underground explosion-proof type switch cubicles is the defect of being powered by inside switch cabinet voltage transformer, solve synthetic automatic device in underground explosion-proof type High-low voltage switch cabinet unreliable because powering, power supply quality is poor, and cause the malfunction of automation proterctive equipment, tripping, overstep tripping, cause the problem of down-hole large-area power-cuts, improve the reliability of down-hole high pressure power supply unit, greatly reduce the generation causing down-hole accident due to power failure, solve underground explosion-proof type switch cubicle control power supply simultaneously and cannot adopt back-up source for a long time, the problem of fault message and monitoring in real time cannot be transmitted after causing down-hole accident to have a power failure,
2, flame-proof type intelligent integral supply unit of the present utility model is by original for underground coal mine numerous and diverse, polymorphic type power-supply device without intelligent management combines, and be arranged in Flameproof box, 660V can be provided to exchange, 380V exchanges, 127V exchanges mains lighting supply, 110V ac control power supply, 110V DC control supply, the power of alterating and direct current of the multiple voltage grades such as 48V direct-current signaling power supply, achieve underground power supply used, communication, emergency lighting, the back-up source of the equipment such as refuge chamber is powered, the real-time monitoring of ground monitoring center to underground equipment and region can be completed, and for realize underground equipment realize four remote control function and automatic intelligent management lay a solid foundation,
3, a feeder equipment of flame-proof type intelligent integral supply unit of the present utility model can access two flame-proof type accumulator power source apparatus, the Switching Power Supply of two groups of parallel connections simultaneously, main standby, a standby mode operation each other, and the backup time is longer;
4, flame-proof type intelligent integral supply unit of the present utility model adopts irregular controllability slug type foam metal as heat abstractor, make the design simplification of Flameproof box, structure more reasonable, can also improve and ensure the explosion insulation performance of Flameproof box while saving material consumption.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the principle framework figure of flame-proof mine integrated power source apparatus of the present utility model.
Fig. 2 is the circuit theory diagrams of explosion-proof type feeder equipment in flame-proof mine integrated power source apparatus of the present utility model.
Fig. 3 is the catenation principle figure of door limit switch in flame-proof mine integrated power source apparatus of the present utility model.
Fig. 4 is the connection layout of the first accumulator power source apparatus and N accumulator power source apparatus B in flame-proof mine integrated power source apparatus of the present utility model.
In Fig. 5,5a is the structure chart of explosion-proof tank in flame-proof mine integrated power source apparatus of the present utility model, and 5b is A-A direction cutaway view in 5a, and 5c is the structure chart of the first and second foam metal heat radiations and explosion isolation device.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection range of the present utility model.
Consult shown in Fig. 1, the utility model provides a kind of flame-proof mine intelligent integral supply unit, at least one accumulator power source apparatus that described integrated power source apparatus 1 comprises explosion-proof feeding device 10 and is connected with explosion-proof feeding device 10, such as, and described explosion-proof feeding device 10 is also connected with the down-hole distribution substation communication apparatus 3 of outside, emergency-lighting set 4, high-voltage switch gear cabinet equipment 2 and power supply unit, the equipment such as video monitoring, oxygen, warning.
Consult shown in Fig. 2, described explosion-proof feeding device 10 comprises interlocking switch SA, be connected to the first dry-type transformer 1T on interlocking switch SA and DC bus ± M, the three-phase alternating current vacuum contactor JC1 be connected with the first dry-type transformer 1T, be connected with three-phase alternating current vacuum contactor JC1 and parallel with one another two uninterrupted power supplys (DU1, DU2), the ac bus (LM, NM) be connected with two uninterrupted power supply (DU1, DU2) outputs; Be connected to two HF switch DC converter (TG1, TG2) that DC bus ± M is upper and parallel with one another, be connected to two Switching Power Supplies (DY1, DY2) that DC bus ± M is upper and parallel with one another, be connected to the DC control bus ± KM on DC bus ± M; And the AC power output circuit be connected on ac bus (LM, NM), be connected to the DC power supply output circuit on DC control bus ± KM, be connected to the communication power supply output circuit of two HF switch DC converter (TG1, TG2) outputs.
Interlocking switch SA palpus manual rotation in the present embodiment is to the position of " breaking ", and now the Kuai Kai Qianmen mechanism of Flameproof box just can operate; So just effectively avoiding the carelessness of operator on duty, opening quick operating valve when there is no power-off, the generation of Accident prevention.
The utility model is in order to realize the control of three-phase alternating current vacuum contactor JC1, also comprise the second dry-type transformer 2T be connected with the first dry-type transformer 1T output, the coil of described three-phase alternating current vacuum contactor JC1 is connected with the output of the second dry-type transformer 2T, and the main contacts of described three-phase alternating current vacuum contactor JC1 is connected with the output of the first dry-type transformer 1T; And button AN1 is also provided with between the coil and the output of the second dry-type transformer 2T of three-phase alternating current vacuum contactor JC1.
Flame-proof type intelligent integral supply unit of the present utility model can provide the power of alterating and direct current of following electric pressure: 1, access the interlocking switch SA in this integrated power source apparatus feeder equipment when down-hole 660V AC power after, by the switching of the binding post on it, the 660V AC power on 2 ~ 3 tunnels outwards can be provided; 660V AC power, by the first dry-type transformer 1T voltage of transformation, can provide the 380V AC power on 2 tunnels; 2, by the AC power of two exportable 100V ~ 127V of uninterrupted power supply (DU1, DU2), and voltage stabilizing inversion rectification another mistake can be carried out to power supply due to two uninterrupted power supplys (DU1, DU2) and become process, improve the quality of power supply; 3,110V DC power supply can be provided by DC bus ± M, and the power supply of DC bus ± M come accumulator power source apparatus in rectification module (not shown) and batteries (not shown); 4,48V communication power supply can be provided by two HF switch DC converter (TG1, TG2), and the input power of two HF switch DC converter (TG1, TG2) is provided by DC bus ± M.
Consult shown in Fig. 3, in order to improve the security performance of whole supply unit, meet the requirement of coal peace, the utility model also comprises the door opening electrical outage interlocked control mechanism for controlling explosion-proof feeding device 10 out-put supply, described door opening electrical outage interlocked control mechanism comprises control AC power output circuit, the micro vacuum contactor JCN (JC1L of AC power output circuit as shown in Figure 2 of DC power supply output circuit and communication power supply output circuit break-make, JC1N to JC8L, JC8N, the JC1+ of DC power supply output circuit, JC1-to JC8+, JC8-, with the JC9+ of communication power supply output circuit, JC9-), the main coil of described micro vacuum contactor JCN and two Switching Power Supply (DY1, DY2) connect, and the main contacts of micro vacuum contactor JCN is connected to AC power output circuit, on DC power supply output circuit and communication power supply output circuit, the limit switch KW that the main coil of described micro vacuum contactor JCN is also arranged on high-voltage switch gear cabinet equipment 2 quick operating valve by a control button ANn and is connected.
Limit switch KW in the present embodiment is connected between two Switching Power Supplies (DY1, DY2) and control button ANn by leader cable and control cables, and leader cable and control cables form an anti-explosion cable.
The operation principle of described door opening electrical outage interlocked control mechanism is: by two Switching Power Supplies (DY1, DY2) for micro vacuum contactor JCN provides the working power of DC24V, when normally working, press control button ANn, the main coil of micro vacuum contactor JCN obtains electric, its main contacts combines, and can realize AC power output circuit, DC power supply output circuit and communication power supply output circuit out-put supply; When opening the quick operating valve of high-voltage switch gear cabinet equipment 2, limit switch KW action, the connection of the coil of micro vacuum contactor JCN and the working power of DC24V is disconnected, now the main contacts of micro vacuum contactor JCN disconnects, and can realize the object that AC power output circuit, DC power supply output circuit and communication power supply output circuit are stopped power supply.
As preferably, the limit switch KW in the present embodiment can replace with the quick operating valve interlocking device of other different modes existing, different structure in flameproof high-voltage switch cubicle.
As preferably, enabling in the present embodiment exports power-off interlocked control mechanism not only for the quick operating valve interlocking switch KW in flameproof high-voltage switch cubicle before, or other different modes, different structure device on, and the equipment needing to carry out quick operating valve power-off interlocking in other down-hole to be suitable for too.
For the ease of monitoring the output of AC power output circuit, DC power supply output circuit and communication power supply output circuit, the utility model also comprises main coil and is connected to output loop dead electricity alarm relay KN on AC power output circuit, DC power supply output circuit and communication power supply output circuit, the supervising device 20 be connected with output loop dead electricity alarm relay KN main contacts, and the status indicator lamp HN in parallel with output loop dead electricity alarm relay KN main coil.
Consult shown in Fig. 1 and Fig. 4, accumulator power source apparatus described in the utility model is two, comprise the first accumulator power source apparatus B1, the second accumulator power source apparatus B2, two accumulator power source apparatus one main one standby, each other standby mode run (as Suo Shi 11 in Fig. 1 and 12); Described first accumulator power source apparatus B1 and the second accumulator power source apparatus B2 accesses in explosion-proof feeding device 10 simultaneously, and puts into operation time different between the first accumulator power source apparatus B1 and the second accumulator power source apparatus B2, and a master one is standby, and redundancy uses.The control device that can control its automatic or manual and put into operation is designed with between B1 and B2.
As shown in Figure 4, the main devices abbreviated functional description of described control device is as follows: wherein, and 1JC+, 1JC-are the first accumulator power source apparatus B1 positive and negative electrode input vacuum contactor; 2JC+, 2JC-are the second accumulator power source apparatus B2 positive and negative electrode input vacuum contactor; U1, U2 are the Intelligent Digital voltmeter gathering accumulator power source apparatus B1 and B2 output in flame-proof type integrated power supply feeder equipment; And U1, U2 are with undervoltage alarm output relay 2 right.Monitoring voltage can be set lower than this actuating of relay during a certain value during use.U1 monitors output voltage and+the M ,-M DC bus-bar voltage of the first accumulator power source apparatus B1, its contact access 2# accumulator plant control loop; U2 monitors output voltage and+the M ,-M DC bus-bar voltage of the second accumulator power source apparatus B2, its contact access 1# accumulator plant control loop; K1, K2 are auxiliary relay, each a pair of band normally-open normally-close contact; An1, An2 are respectively the control button that first and second accumulator power source apparatus B1, B2 manually put into operation, are self-locking button; D1, D2 are the reverse-filling diode preventing mutual discharge and recharge between two cover accumulator power source apparatus; DC24V is the working power of 1JC, 2JC vacuum contactor coil; The operation principle of whole control device is as follows:
Under normal circumstances, first and second accumulator power source apparatus B1, B2 are all by cable access flame-proof type integrated power supply feeder equipment; But first and second accumulator power source apparatus B1, B2 a set ofly actually to put that into operation, then selected voluntarily by user operations staff, also namely a main standby mode is run.Any a set of accumulator plant of first and second accumulator power source apparatus B1, B2 all can be used as main storage battery power supply and uses, another set of then online stand-by heat, if need the first accumulator power source apparatus B1 that puts into operation, press An1 button, need input second accumulator power source apparatus B2 then to press An2 button.
In actual motion, An1 and An2 also can press simultaneously, and service position can at on-position.
There is the situation of low-voltage in accumulator power source apparatus, the overwhelming majority time occurs when AC power has a power failure, and now accumulator power source apparatus provides back-up source for all power consumption equipments.
Preferentially put into operation for the first accumulator power source apparatus B1 below, its operation principle is described.
Press An1 locking press button, its contact 1-3 connects, DC24V power supply connected by 1JC1+ and 1JC1-vacuum contactor coil, 1JC+ and 1JC-major loop closes, first accumulator power source apparatus B1 connects with+M ,-M DC bus, first accumulator power source apparatus B1 drops into commencement of commercial operation, and now, U1 is responsible for the voltage (voltage also namely between DC bus+M ,-M) of monitoring accumulator plant.
When the accumulator battery voltage of the first accumulator power source apparatus B1 is lower than set point, built-in first pair of relay time delay normally opened contact 11-12,13-14 action of U1 is closed, and (delay time can adjust, 5 ~ 20 seconds), the coil DC24V electric power loop of conducting 2JC+, 2JC-vacuum contactor, 2JC+, 2JC-major loop closes, and the second accumulator power source apparatus B2 accesses+M ,-M DC bus; Now two accumulator power source apparatus short time all access+M ,-M DC bus, and due to the access of 2# accumulator power source apparatus ,+M ,-M busbar voltage recovers normal.
After 2JC+, 2JC-are closed, its auxiliary contact X3-X4 closes simultaneously, the K1 actuating of relay, its normally-closed contact 1-3 disconnects, the power-off of 1JC+, 1JC-coil DC24V positive pole, 1JC+, 1JC-major loop disconnects, and the first accumulator power source apparatus B1 exits the connection with+M ,-M DC bus; When the built-in second couple of relay normally open contact 13-14 of U1 closes, conducting indicator light (band ring sound function), indicator light is lighted and is sent alerting tone, notifies operations staff.
After operations staff investigates thoroughly problem, first press An2 button, reliable input second accumulator power source apparatus, and then press An1 button, An1 removes self-locking, rebound initial (disconnection) position, the first accumulator power source apparatus B1 is out of service safely and reliably, and flame-proof type integrated power source apparatus is powered by the second accumulator power source apparatus B2.
Because the long-term parallel running of accumulator power source apparatus has impact for service lifetime of accumulator, and safety in operation does not ensure; And the control device adopted in the utility model is when many cover accumulator power source apparatus, ensure to only have a set of accumulator power source apparatus to power to feeder equipment, and other a few cover accumulator plants are in hot stand-by duty; Substantially prolongs the back-up source power-on time of this integrated power source apparatus like this, being beneficial to user needs choose reasonable batteries quantity according to scene.
To consult in Fig. 5 shown in Fig. 5 a, 5b and 5c, described explosion-proof feeding device 10 also comprises housing 110, be located at the wire connection cavity 120 in housing 110, equipment cavity 140, described interlocking switch SA is located in equipment cavity 120, the first described dry-type transformer 1T, two uninterrupted power supplys (DU1, DU2) and two HF switch DC converter (TG1, TG2) are all located in equipment cavity 140, and two described Switching Power Supplies (DY1, DY2) are also located in equipment cavity 140; And the first foam metal be also provided with for dispelling the heat dispels the heat and explosion isolation device 160 and the second foam metal dispels the heat and explosion isolation device 170 on the housing 110 corresponding with equipment cavity 120.
As preferably, the first described foam metal heat radiation and explosion isolation device 160 and the heat radiation of the second foam metal and explosion isolation device 170 are irregular controllability slug type foam metal.
The first foam metal described in the present embodiment dispels the heat and explosion isolation device 160 dispels the heat with the second foam metal and the structure of explosion isolation device 170 is consistent, include the flange 1810 being provided with through hole be installed on housing 110, be located at the outer foam metal level 1820 outside flange 1810, and the internal foam metal level 1830 be located at inside flange 1810, and the aperture (PPI value) on described outer foam metal level 1820 is greater than the aperture on internal foam metal level 1830.
As preferably, flange 1810, outer foam metal level 1820 and internal foam metal level 1830 is the structure of integral type.
Described outer foam metal level 1820 is identical with the material of internal foam metal level 1830, be nichrome, copper, iron, aluminum and aluminum alloy mateial, utilizing the controlled Penetration ration of the type foam metal (size and the void density of its hole can be controlled when sintering machine-shaping foam metal) and stress buffer characteristic, realizing the function of heat radiation and flame proof.
As preferably, the foam metal heat radiation described in the present embodiment and explosion isolation device also can be used for various I class Flameproof box and to take up an official post the place of what is the need for and will use.
As preferably, be also provided with outside the housing 110 described in the present embodiment for preventing coal dust from entering the metal of housing 110 inside or nonmetal Air Filter.
Described internal foam metal level 1830 is for absorbing the heat of internal cavity, and outer foam metal level 1820 is for shedding heat, due to the aperture of internal foam metal level 1830, (the foam metal density of small-bore is high, heat load is large, be easy to absorb heat) be less than aperture (the wide-aperture foam metal of outer foam metal level 1820, add the convection current with extraneous air), internal foam metal level 1830 can absorb heat fast, and realizes quick heat radiating by outer foam metal level 1820.
Known by test data, use the radiating mode of said structure, compared with existing common heat radiation, the temperature in case can be reduced by 8 to 10 °, greatly improve the operational reliability of device in case, extend useful life.
For the ease of overhauling explosion-proof feeding device 10 of the present utility model, the joint face between described equipment cavity 140 and wire connection cavity 120 adopts explosion-proof type binding post 130 to connect, and is also provided with manhole 180 on housing 110.
As preferably, the present embodiment can also be provided with the metal of fixing and protection cable or nonmetal grooved cable box in the outside of whole Flameproof box, and this cable box can be welding or adopt bolt to fix.
As preferably, in the present embodiment adopt outer foam metal level 1820 and internal foam metal level 1830 material also can be the heat conduction and heat radiation mode of foam metal+highly heat-conductive material composition, at the foam metal of the inner high density small porosity of Flameproof box as heat sink, by the highly heat-conductive material that foam metal therewith fits tightly, outside with the Flameproof box again and low density and big pore gap foam metal be fixed on this highly heat-conductive material is connected, and low density and big pore gap foam metal is as Flameproof box external radiating device.
And the phase-change material that above-mentioned highly heat-conductive material can be made for iron, ferroalloy, copper, copper alloy, aluminium, aluminium alloy, nickel, nickeliferous alloy material and paraffin or graphite etc.
Above-described embodiment is the utility model preferably execution mode; but execution mode of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection range of the present utility model.
Claims (10)
1. a flame-proof mine intelligent integral supply unit, it is characterized in that: at least one accumulator power source apparatus that described integrated power source apparatus (1) comprises explosion-proof feeding device (10) and is connected with explosion-proof feeding device (10), and described explosion-proof feeding device (10) is also connected with down-hole distribution substation communication apparatus (3) of outside, emergency-lighting set (4), high-voltage switch gear cabinet equipment (2) and power supply unit;
Described explosion-proof feeding device (10) comprises interlocking switch (SA), be connected to the first dry-type transformer (1T) on interlocking switch SA and DC bus (± M), the three-phase alternating current vacuum contactor (JC1) be connected with the first dry-type transformer (1T), be connected with three-phase alternating current vacuum contactor (JC1) and parallel with one another two uninterrupted power supplys (DU1, DU2), the ac bus (LM, NM) be connected with two uninterrupted power supply (DU1, DU2) outputs;
Be connected to two HF switch DC converter that DC bus (± M) is upper and parallel with one another
(TG1, TG2), is connected to two Switching Power Supplies (DY1, DY2) that DC bus (± M) is upper and parallel with one another, is connected to the DC control bus (± KM) on DC bus (± M);
And, be connected to the AC power output circuit on ac bus (LM, NM), be connected to the DC power supply output circuit on DC control bus (± KM), be connected to the communication power supply output circuit of two HF switch DC converter (TG1, TG2) outputs.
2. flame-proof mine intelligent integral supply unit according to claim 1, it is characterized in that: also comprise the second dry-type transformer (2T) be connected with the first dry-type transformer (1T) output, the coil of described three-phase alternating current vacuum contactor (JC1) is connected with the output of the second dry-type transformer (2T), and the main contacts of described three-phase alternating current vacuum contactor (JC1) is connected with the output of the first dry-type transformer (1T); And button (AN1) is also provided with between the coil and the output of the second dry-type transformer (2T) of three-phase alternating current vacuum contactor (JC1).
3. flame-proof mine intelligent integral supply unit according to claim 2, it is characterized in that: also comprise the door opening electrical outage interlocked control mechanism for controlling explosion-proof feeding device (10) out-put supply, described door opening electrical outage interlocked control mechanism comprises control AC power output circuit, the micro vacuum contactor (JCN) of DC power supply output circuit and communication power supply output circuit break-make, the main coil of described micro vacuum contactor (JCN) and two Switching Power Supply (DY1, DY2) connect, and the main contacts of micro vacuum contactor (JCN) is connected to AC power output circuit, on DC power supply output circuit and communication power supply output circuit, the limit switch (KW) that the main coil of described micro vacuum contactor (JCN) is also arranged on high-voltage switch gear cabinet equipment (2) quick operating valve by a control button (ANn) and is connected.
4. flame-proof mine intelligent integral supply unit according to claim 3, it is characterized in that: also comprise main coil and be connected to output loop dead electricity alarm relay (KN) on AC power output circuit, DC power supply output circuit and communication power supply output circuit, the supervising device (20) be connected with output loop dead electricity alarm relay (KN) main contacts, and the status indicator lamp (HN) in parallel with output loop dead electricity alarm relay (KN) main coil.
5. flame-proof mine intelligent integral supply unit according to claim 1, it is characterized in that: described accumulator power source apparatus is two, comprise the first accumulator power source apparatus (B1), second accumulator power source apparatus (B2), described first accumulator power source apparatus (B1) is all connected with explosion-proof feeding device (10) with the second accumulator power source apparatus (B2), and there is between the first accumulator power source apparatus (B1) and the second accumulator power source apparatus (B2) control device that can control its automatic or manual access explosion-proof feeding device (10).
6. the flame-proof mine intelligent integral supply unit according to claim 1 to 5 any one, it is characterized in that: described explosion-proof feeding device (10) also comprises housing (110), be located at the wire connection cavity (120) in housing (110), equipment cavity (140), described interlocking switch (SA) is located in equipment cavity (120), described first dry-type transformer (1T), two uninterrupted power supply (DU1, DU2) and two HF switch DC converter (TG1, TG2) be all located in equipment cavity (140), described two Switching Power Supply (DY1, DY2) be also located in equipment cavity (140), and the first foam metal be also provided with for dispelling the heat dispels the heat and explosion isolation device (160) and the second foam metal dispels the heat and explosion isolation device (170) on the housing (110) corresponding with equipment cavity (140).
7. flame-proof mine intelligent integral supply unit according to claim 6, it is characterized in that: described first foam metal dispels the heat and explosion isolation device (160) dispels the heat with the second foam metal and the structure of explosion isolation device (170) is consistent, include the flange (1810) being provided with through hole be installed on housing (110), be located at the outer foam metal level (1820) in flange (1810) outside, and be located at the internal foam metal level (1830) of flange (1810) inner side, and the aperture on described outer foam metal level (1820) is greater than the aperture on internal foam metal level (1830).
8. flame-proof mine intelligent integral supply unit according to claim 7, is characterized in that: the outside of described housing (110) is also provided with for preventing the metal of pollution caused by coal dust outer foam metal (1820) or nonmetal Air Filter.
9. flame-proof mine intelligent integral supply unit according to claim 7, it is characterized in that: described outer foam metal level (1820) is identical with the material of internal foam metal level (1830), be nichrome, copper, iron, aluminum or aluminum alloy material.
10. flame-proof mine intelligent integral supply unit according to claim 7, it is characterized in that: the joint face between described equipment cavity (140) and wire connection cavity (120) adopts explosion-proof type binding post (130) to connect, and is also provided with manhole (180) on housing (110).
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| CN201420545438.3U CN204103774U (en) | 2014-09-20 | 2014-09-20 | A kind of flame-proof mine intelligent integral supply unit |
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| CN201420545438.3U CN204103774U (en) | 2014-09-20 | 2014-09-20 | A kind of flame-proof mine intelligent integral supply unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333232A (en) * | 2014-09-20 | 2015-02-04 | 武汉瑞源电力设备有限公司 | Mining explosion suppression type intelligent integrated power supply apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333232A (en) * | 2014-09-20 | 2015-02-04 | 武汉瑞源电力设备有限公司 | Mining explosion suppression type intelligent integrated power supply apparatus |
| CN104333232B (en) * | 2014-09-20 | 2017-01-18 | 武汉瑞源电力设备有限公司 | Mining explosion suppression type intelligent integrated power supply apparatus |
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