CN2584655Y - Control device of heating equipment for road maintaining - Google Patents
Control device of heating equipment for road maintaining Download PDFInfo
- Publication number
- CN2584655Y CN2584655Y CN 02286065 CN02286065U CN2584655Y CN 2584655 Y CN2584655 Y CN 2584655Y CN 02286065 CN02286065 CN 02286065 CN 02286065 U CN02286065 U CN 02286065U CN 2584655 Y CN2584655 Y CN 2584655Y
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- resistance
- triode
- control device
- chip microcomputer
- circulation
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Abstract
The utility model relates to a control device of heating equipment for road maintenance, which is used for controlling the cyclic and timed heating of a heating element and the operation of a blower fan. The control device comprises an igniter, an electromagnetic valve installed on the outlet of a liquefied gas bottle and a cycle timer, wherein, the cycle timer comprises a cyclic timing single chip computer, a power switch K, a voltage stabilizing noise-immune unit composed of a voltage stabilizing tube and a capacitor, a resistor, a triode and a field effect tube, and the blower fan is controlled by a time-delay relay and comprises a switch K, a diode, three resistors, a capacitor, a triode, a relay and a normally open contact. The control device can control the heating element to cyclically and time-fixedly heat pavement, and the blower fan can be delayed to run for a definite time after stopping heating to improve the security of heating equipment, having the advantage of high automatization.
Description
Technical field
The utility model belongs to the control device of road maintenance equipment, is the control device of road maintenance firing equipment specifically.
Background technology
In order to improve the repairing quality of flexible pavement, when asphalt pavement repairing, need heat flexible pavement, road maintenance heating car or heating panel are a kind of firing equipments of pavement of road.In the firing equipment of road, usually with liquefied gas heating, and heating-up temperature, time need be controlled.Its control content generally comprises: the control of blower fan, the control of liquefied gas and the control of igniter.In the course of work, need the liquefied gas of opening regularly to make the heating element heating and stop heating, with the road pavement heating that periodically circulates, and after stopping to heat, also the flammable gas drive in the heating element is most by blower fan, thus in order to avoid remaining breaking out of fire or explosion accident are arranged.Present road firing equipment adopts hand-guided or automatic control, and the automatization level of its control device is low, operates loaded down with trivial detailsly, uses very inconvenient.
The content of utility model
At the control problem of existing road maintenance firing equipment, the purpose of this utility model is to provide a kind of road maintenance firing equipment control device, and the road maintenance firing equipment is controlled automatically, improves automatization level and security performance.
To achieve these goals, the control device of road maintenance firing equipment of the present utility model adopts following technical scheme: control device comprises igniter, is installed on the electromagnetic valve of liquefied gas bottle outlet and the cycle timer of control electromagnetic valve, and cycle timer comprises regularly single-chip microcomputer of a circulation.Power switch K one end is connected with power supply, and the other end is connected with a voltage-stabiliser tube, and voltage-stabiliser tube is connected in regularly single-chip microcomputer of circulation, and voltage-stabiliser tube is ground connection also; A capacitor C 1 is connected between K switch and the circulation timing single-chip microcomputer, is connected with capacitor C 2 and C3 on the contact of voltage-stabiliser tube and circulation timing single-chip microcomputer, and the other end of capacitor C 2 and C3 is connected between C1 and the circulation timing single-chip microcomputer, has formed voltage stabilizing anti-interference unit; Circulation regularly is connected to the crystal oscillator clock circuit on the single-chip microcomputer, and a resistance R 1, forms the circulation timing unit; Power switch K also is connected with a resistance R 2, R2 is connected with the colelctor electrode of a triode T1, the grounded emitter of triode T1, the base stage of triode T1 is connected with the resistance R 1 that circulation regularly is connected in series between single-chip microcomputer, contact between resistance R 2 and triode T1 is connected on the grid of a FET T2, the drain electrode of FET T2 is connected in power switch K, and the source electrode of FET connects electromagnetic valve and igniter.
Described control device can also comprise the time-delay relay of a control blast fan, time-delay relay comprises that a power switch K1 who is connected to power supply is connected with a diode D and relay, diode D is connected with a resistance R 4, resistance R 5 that is connected in parallel and capacitor C one end ground connection, the other end is connected with resistance R 4; Relay is connected in the colelctor electrode of triode T, and resistance R 4 is connected the grounded emitter of triode T with resistance R of contact series connection 3 backs of R5 with the base stage of triode T; Blast fan is connected on the power supply by a constant open contact J1.
In sum, the control device of road maintenance firing equipment of the present utility model adopts cycle timer control heating element periodically to heat and stop heating, the time and the temperature of heating have been controlled well, and owing to adopt voltage stabilizing anti-interference unit, so stable, the life-span is long.Adopt delay circuit control blower fan, the interior fuel gas of heating element is not had retain, eliminated the hidden danger of catching fire or exploding, and reduced the temperature of heating element, guaranteed safety.And easy to use, the automaticity height.
Description of drawings
Fig. 1 is the cycle timer circuit theory diagrams of the control device of road maintenance firing equipment of the present utility model;
Fig. 2 is the time delay relay circuit schematic diagram of the control device of road maintenance firing equipment of the present utility model.
The specific embodiment
Be described further below in conjunction with the control device of the drawings and specific embodiments road maintenance firing equipment of the present utility model.
The control device of road maintenance firing equipment comprises, igniter, the electromagnetic valve that is installed on the liquefied gas bottle outlet and the cycle timer of control electromagnetic valve, repetitive timing circuit comprises power supply, voltage stabilizing anti-interference unit, circulation timing unit and output, output is connected in igniter and electromagnetic valve, forms the control to igniter and electromagnetic valve.Also comprise a time-delay relay in addition, be used to control the blower fan running.
As shown in Figure 1, the power switch K that is connected with power supply is connected with four branch roads, and one the tunnel connects a voltage-stabiliser tube 1, voltage-stabiliser tube 1 ground connection, and voltage-stabiliser tube 1 other end is connected in the single-chip microcomputer 3 of circulation timing unit 4; Other has one the tunnel to connect a capacitor C 1, and C1 is connected in the single-chip microcomputer 3 of circulation timing unit 4, and cross-over connection has two capacitor C 2 and C3 to constitute voltage stabilizing anti-interference unit 2 on the connecting line of the connecting line of C1 and single-chip microcomputer 3 and voltage-stabiliser tube 1 and single-chip microcomputer 3.The crystal oscillator clock circuit that comprises capacitor C 4 and C5 is arranged on the single-chip microcomputer 3 of circulation timing unit 4, also be connected with a resistance R 1.On the branch road of K switch resistance R 2 is arranged, R2 is connected on the colelctor electrode of a triode T1, and the base stage of T1 is connected the grounded emitter of T1 with resistance R 1 in the circulation timing unit 4.Last branch road of power switch K is connected with the drain electrode of a FET T2, and the grid of T2 is connected between resistance R 2 and the triode T1, and the source electrode of T2 is connected in electromagnetic valve and igniter (omitting among the figure) as output.
After the power switch K closure, removing interference through voltage stabilizing anti-interference unit 2 voltage stabilizings gives the circulation timing unit 4 power supplies, circulation timing unit 4 adopts the single-chip microcomputer treatment technology, send periodic signal of square wave accurately, this signal controlling triode T1 and FET T2, the cycle saturation conduction with end, then periodically connect electromagnetic valve and igniter, thereby the control heating element periodically heats and stops heating, with control heating-up temperature and heat time heating time.
As shown in Figure 2, the power supply of the time delay relay circuit of road maintenance firing equipment control device is connected with K switch 1 and constant open contact J1, and J1 is connected on the blast fan 6.K switch 1 is connected with two branch roads, and one the tunnel is in series with a diode D and resistance R 4, and resistance R 4 is by parallel resistor R5 and capacitor C ground connection.Another road is connected with a relay 5, and relay 5 is connected on the colelctor electrode of a triode T, and the base stage of triode T is connected between resistance R 4 and the R5 by a resistance R 3, the grounded emitter of T.
After the power switch K1 closure of time-delay relay, power supply charges to capacitor C by diode D, resistance R 4, when the voltage of capacitor C is charged to triode T conducting voltage, triode T saturation conduction, relay 5 actions, constant open contact J1 closure, blast fan 6 power connections, blast fan 6 runnings.Blast fan arrives for 6 durations of runs, closes K switch 1, and capacitor C is through the emitter junction discharge of resistance R 5, R3 and triode T, and the capacitor C discharge voltage is reduced to the conducting voltage of triode T when following, and relay 5 constant open contact J1 disconnect, and blast fan 6 outages stop moving commentaries on classics.Make that after heating element stops heating the blast fan 6 time-delay certain hour that remains in operation so that the combustible gas in the heating element is driven away, has guaranteed safety, and can cool off heating element, in order to avoid scald operating personnel.
Claims (2)
1, a kind of control device of road maintenance firing equipment, comprise igniter, be installed on the electromagnetic valve of liquefied gas bottle outlet and the cycle timer of control electromagnetic valve, cycle timer comprises regularly single-chip microcomputer of a circulation, power switch K one end is connected with power supply, the other end is connected with a voltage-stabiliser tube, voltage-stabiliser tube is connected in regularly single-chip microcomputer of circulation, and voltage-stabiliser tube is ground connection also; A capacitor C 1 is connected between K switch and the circulation timing single-chip microcomputer, is connected with capacitor C 2 and C3 on the contact of voltage-stabiliser tube and circulation timing single-chip microcomputer, and the other end of capacitor C 2 and C3 is connected between C1 and the circulation timing single-chip microcomputer, has formed voltage stabilizing anti-interference unit; Circulation regularly is connected to the crystal oscillator clock circuit on the single-chip microcomputer, and a resistance R 1, forms the circulation timing unit; Power switch K also is connected with a resistance R 2, R2 is connected with the colelctor electrode of a triode T1, the grounded emitter of triode T1, the base stage of triode T1 is connected with the resistance R 1 that circulation regularly is connected in series between single-chip microcomputer, contact between resistance R 2 and triode T1 is connected on the grid of a FET T2, the drain electrode of FET T2 is connected in power switch K, and the source electrode of FET connects electromagnetic valve and igniter.
2, the control device of road maintenance firing equipment as claimed in claim 1, it is characterized in that: described control device comprises the time-delay relay of a control blast fan, time-delay relay comprises a power switch K1 who is connected to power supply, K1 is connected with a diode D and relay, diode D is connected with a resistance R 4, resistance R 5 that is connected in parallel and capacitor C one end ground connection, the other end is connected with resistance R 4; Relay is connected in the colelctor electrode of triode T, and resistance R 4 is connected the grounded emitter of triode T with resistance R of contact series connection 3 backs of R5 with the base stage of triode T; Blast fan is connected on the power supply by a constant open contact J1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02286065 CN2584655Y (en) | 2002-11-15 | 2002-11-15 | Control device of heating equipment for road maintaining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02286065 CN2584655Y (en) | 2002-11-15 | 2002-11-15 | Control device of heating equipment for road maintaining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2584655Y true CN2584655Y (en) | 2003-11-05 |
Family
ID=33746886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02286065 Expired - Fee Related CN2584655Y (en) | 2002-11-15 | 2002-11-15 | Control device of heating equipment for road maintaining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2584655Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115254776A (en) * | 2022-07-29 | 2022-11-01 | 重庆瑞通精工科技股份有限公司 | Automatic control method of valve plate high-precision cleaning line |
-
2002
- 2002-11-15 CN CN 02286065 patent/CN2584655Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115254776A (en) * | 2022-07-29 | 2022-11-01 | 重庆瑞通精工科技股份有限公司 | Automatic control method of valve plate high-precision cleaning line |
| CN115254776B (en) * | 2022-07-29 | 2024-01-26 | 重庆瑞通精工科技股份有限公司 | Automatic control method for high-precision cleaning line of valve plate |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |