CN205291236U

CN205291236U - Cement standard curing groove

Info

Publication number: CN205291236U
Application number: CN201520943750.2U
Authority: CN
Inventors: 吴永超; 谢玲丽
Original assignee: Beijing Minjia New Building Materials Co Ltd
Current assignee: Beijing Minjia New Building Materials Co Ltd
Priority date: 2015-11-24
Filing date: 2015-11-24
Publication date: 2016-06-08
Anticipated expiration: 2025-11-24

Abstract

The utility model discloses a cement standard curing groove, including the box, the box is provided with constant temperature control circuit, the constant temperature control circuit during operation keeps constancy of temperature in the box through heating device, still includes a timing module, constant temperature control circuit is controlled by the timing module, timing module setting has the first time of predetermineeing, constant temperature control circuit is after the first time of predetermineeing of work, the timing module is jumped absolutely constant temperature control circuit work. Carry out maintenance when operation, the maintenance time can be preset earlier, accomplishes the back when presetting at every turn, directly open constant temperature control circuit and carry out the maintenance, the module of delaying time simultaneously count, the maintenance to within the scheduled time automatic jump disconnected, a reactive loss that can not lead to the fact the electric energy so, two have guaranteed product quality, just the while can at long -time maintenance in -process, also reduce and forget the problem emergence that results in so that equipment accords with man -machine demand more.

Description

A kind of cement standard maintenance groove

Technical field

The utility model relates to a kind of cement conservation equipment, and more specifically, it relates to a kind of cement standard maintenance groove.

Background technology

Cement conservation groove adopts all steel making, fully-automatic thermostatic. Cement conservation groove is special in the fixed temperature and humidity normal curing of cement briquette. The constant temperature unit carried by tank group, water temperature in constant temperature water tank is controlled in required temperature, delivered to (interlayer) in the compound sidewall of maintenance tank by recycle pump, constant temperature water pipe and by maintenance tank stainless steel inwall, required temperature is directly transferred in the curing water in tank. Every lattice maintenance tank is all provided with independent display temperature control system, and temperature control sensor is directly placed in the water of every lattice maintenance tank. As a certain lattice curing water temperature departure 20 �� 0.5C in maintenance tank group, the unlatching of thermostat(t)ed water water circulating pump and magnetic valve is controlled by every lattice temperature computer controller, thermostat(t)ed water is by the circulation conduction temperature of the interlayer of maintenance tank, making the every lattice of maintenance tank independent can realize thermostatic control, temperature control uniformity coefficient reaches �� below 0.5C.

But although cement conservation groove provides the function of thermostatic control, but the different concrete pouring time is distinct, it was all by manual control curing time in the past, but this kind of curing time is longer, if so needing user to pay close attention to, waste energy undoubtedly, and if reminded by the timing device of peripheral hardware, it is also possible to occur omit phenomenon.

Practical novel content

For the deficiency that prior art exists, the purpose of this utility model be to provide a kind of can a kind of cement standard maintenance groove of Self defined time.

For achieving the above object, the utility model provides following technical scheme: a kind of cement standard maintenance groove, comprise casing, casing is provided with constant temperature control circuit, homo(io)thermism in casing is kept by heating unit when described constant temperature control circuit works, also comprise a timing module, described constant temperature control circuit is controlled by described timing module, described timing module is provided with first and presets the time, after the time is preset in described constant temperature control circuit work first, described timing module jumps disconnected described constant temperature control circuit work.

The utility model can be set to further: described timing module is configured to timing relay, and described timing relay comprises timing unit, timing relay coil and timing relay contact;

Described timing unit is for providing for the first default time, send time delay signal;

Described timing relay coil obtains electric when receiving time delay signal;

Described timing relay contact is series between heating unit and outside power supply, when timing relay coil obtains electric, and described timing relay contact action.

The utility model can be set to further: described timing module comprises current source, switching tube, delay capacitor, discharging resistance, described switching tube is controlled by upset signal, during described switching tube conducting, the loop at current source access delay electric capacity place, when described switching tube ends, the loop at discharging resistance access delay electric capacity place, described delay capacitor provides a time delay voltage;

Described timing module also provides a votage reference, when votage reference is less than time delay voltage, exports and judges signal.

The utility model can be set to further: described timing module comprises the 2nd resistance, the 3rd resistance and the 4th resistance that are arranged in series; The node that described 2nd resistance and the 3rd resistance couple provides votage reference, and described 4th resistance is set to adjustable resistance.

The utility model can be set to further: described timing module comprises the 2nd resistance, the 3rd resistance and the throwing that are arranged in series and cuts unit; The node that described 2nd resistance and the 3rd resistance couple provides votage reference, described throwing is cut unit and is comprised the 4th resistance, the 5th resistance, the 6th resistance, described 4th resistance, the 5th resistance are different with the 6th resistance, and are connected with the 3rd resistance by a single-pole triple-throw switch on-off.

By adopting technique scheme, so, when carrying out maintenance operations every time, curing time can first be preset, after having preset, directly open constant temperature control circuit and carry out maintenance, timing module counting simultaneously, automatically jump disconnected in maintenance to the scheduled time, so one can not causing the reactive loss of electric energy, two ensure that quality product, and simultaneously can so that equipment meets man-machine demand more, in long-time maintenance processes, decrease the problem generation forgotten and cause.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, it is 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, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the utility model maintaining box structure iron;

Fig. 2 is the utility model module topology schematic diagram;

Fig. 3 is timing module diagram in the utility model embodiment;

Fig. 4 is timing module diagram in another embodiment of the utility model;

Fig. 5 is the utility model constant temperature control circuit schematic diagram one;

Fig. 6 is constant temperature control circuit schematic diagram two.

Description of reference numerals: 1a, casing; 11a, inner chamber; 2a, control panel; 1, humidity measuring circuit; 10, constant temperature control circuit; 1, induction module; 2, comparison module; 3, logic module; 4, execution module; 41, heating part; 42, alarm portion; 43, insulation portion; 20, timing module.

Embodiment

Referring to figs. 1 through Fig. 6, the utility model embodiment is described further.

With reference to shown in Fig. 1, including casing 1a, casing 1a inside is provided with inner chamber 11a, realizes the control to curing temperature by control panel 2a, and the surface of inner chamber 11a is provided with heating unit, for heating curing.

With reference to, shown in Fig. 2, timing module and constant temperature control circuit 10 are controlled by work button and carry out work simultaneously, when button is pressed, being equivalent to send Sa signal, constant temperature control circuit 10 realizes thermostatic control simultaneously, and timing module carries out time delay counting.

With reference to shown in Fig. 3, timing module 20 comprises current source, switching tube, delay capacitor, discharging resistance, described switching tube is controlled by upset signal, during described switching tube conducting, the loop at current source access delay electric capacity place, when described switching tube ends, the loop at discharging resistance access delay electric capacity place, described delay capacitor provides a time delay voltage; Described timing module 20 also provides a votage reference, when votage reference is less than time delay voltage, exports and judges signal. Votage reference is obtained by R2, R3, R4 dividing potential drop being arranged in series, wherein R4 is adjustable resistance, can regulating the size of votage reference, to regulate the time delay time, and the capacity of the outward current size of the resistance of discharging resistance R1 and current source I and delay capacitor is when being definite value.

In another embodiment, with reference to shown in Fig. 4, above-mentioned adjustable resistance R4 is replaced for R4, R5, R6 tri-fixed value resistances being arranged in parallel, carry out throwing by single-pole triple-throw switch to cut, to meet the demand of three curing times, the definite value time can be 7H, 14H and 21H, under these three times, carries out throwing and cuts structure.

In another embodiment, also can realize this function by timing relay, regulate the time of timing relay, so that it may to regulate the time delay time, carry out automatically jumping disconnected protection.

With reference to, shown in Fig. 5 and Fig. 6, constant temperature control circuit 10 comprises

With reference to, shown in Fig. 5, induction module 1, for responding to oil liquid temperature, and is converted into sampled voltage by temperature value; Comprising the first resistance and posistor that are arranged in series, described first resistance is set to 330 ohm, and the first resistance is adjustable resistance, by regulating the resistance of the first resistance can regulate temperature of reaction.

Comparison module 2, is connected to induction module 1, is provided with the first threshold voltage and the 3rd threshold voltage, when sampled voltage is higher than the first threshold voltage, and outputting alarm signal, when sampled voltage is lower than exporting heating signal during the 3rd threshold voltage, comparison module 2 is also provided with Second Threshold voltage, when sampled voltage is higher than Second Threshold voltage, exports insulation signal, constant temperature control circuit 10 also comprises logic module 3, and logic module 3 is connected to comparison module 2, when receiving insulation signal, and shielding heating signal, three threshold voltages be that electric resistance partial pressure by being arranged in series successively obtains, do not repeat at this, comparison module 2 comprises the first comparer, 2nd comparer and the 3rd comparer, first comparer positive input terminal is connected to the first threshold voltage, negative input is terminated at sampled voltage, its output terminal is connected to the first pilot lamp, described pilot lamp is set to amber light, when the first threshold voltage is higher than sampled voltage, pilot lamp is luminous, it is used to indicate heated condition, 2nd comparer positive input terminal is connected to Second Threshold voltage, its negative input is terminated at sampled voltage, output terminal is connected to the 2nd pilot lamp, described 2nd pilot lamp is set to green light, when Second Threshold voltage is higher than sampled voltage, prompting user is keeping warm mode, 3rd comparer negative input is terminated at the 3rd threshold voltage, positive input terminal is connected to and compares voltage, when sampled voltage is higher than the 3rd threshold voltage, the 3rd pilot lamp that control is connected to its output terminal is luminous, remind user's oil liquid temperature abnormal.

Logic module 3, comprise and it is connected to the first comparer respectively, 2nd comparer, one NPN pipe of the output terminal of the 3rd comparer, 2nd NPN pipe, 3rd NPN pipe, owing to being also connected with pilot lamp between NPN pipe and comparer, there is pipe and fall in pilot lamp, NPN tri-grades of pipe conductings when can ensure that comparer exports high level fall in described pipe, thus play the effect of stability contorting, the emtting electrode of the one NPN pipe is coupled to one and door input terminus, this and another input terminus of door are coupled to the emtting electrode of the 2nd NPN pipe by a non-door, so only when the 2nd comparer exports lower level, when first comparer exports high level, just can make and door conducting, when the emtting electrode of a NPN pipe couples and an input terminus of the 2nd Yu door, described 2nd is connected to the output terminal of the 2nd NPN pipe with another input terminus of door, such 2nd comparer and the first comparer can arrive when exporting high level by insulation silk work simultaneously.

With reference to, shown in Fig. 6, execution module 4, is coupled to comparison module 2, remind user's temperature too high when receiving alarm signal; Heating part 41, heats fluid when receiving the main heater strip of heating signal control. Also being provided with boosting silk in fuel tank 3a, when execution module 4 receives insulation signal, fluid is incubated by control boosting silk. Insulation portion 43, setting by boosting silk, when oil liquid temperature is after the adding and constantly heat up under heat effect of main heater strip, when rise in temperature is to (Second Threshold is a little less than the 3rd threshold value) between Second Threshold and the 3rd threshold value, the power of boosting silk can lower than the power of main heater strip, inner fluid can be played the effect of insulation by boosting silk, and by the setting of logic module 3, it is ensured that when boosting silk works, main heater strip is idle. Boosting silk is also provided with mask switch, for shielding insulation signal. By arranging mask switch shielding boosting silk work, can ensure that boosting silk can not need insulation (such as summer high temperature situation), close the work of boosting silk, it is possible to prevent that inner fluid is overheated causes that swell increment is excessive affects punching press effect, and when outside temperature is lower (such as winter low temperature situation), open auxiliary electrical heated filament, just inner fluid can be played the effect of insulation, also it is connected to switching element between nichrome wire and outside power supply, it is controlled by signal Sb and disconnects.

The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model. It is noted that for those skilled in the art, in the some improvements and modifications not departed under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. a cement standard maintenance groove, comprise casing, casing is provided with constant temperature control circuit, homo(io)thermism in casing is kept by heating unit when described constant temperature control circuit works, it is characterized in that: also comprise a timing module, described constant temperature control circuit is controlled by described timing module, and described timing module is provided with first and presets the time, after the time is preset in described constant temperature control circuit work first, described timing module jumps disconnected described constant temperature control circuit work.

2. a kind of cement standard maintenance groove according to claim 1, is characterized in that: described timing module is configured to timing relay, and described timing relay comprises timing unit, timing relay coil and timing relay contact;

Described timing relay coil obtains electric when receiving time delay signal;

3. a kind of cement standard maintenance groove according to claim 1, it is characterized in that: described timing module comprises current source, switching tube, delay capacitor, discharging resistance, described switching tube is controlled by upset signal, during described switching tube conducting, the loop at current source access delay electric capacity place, when described switching tube ends, the loop at discharging resistance access delay electric capacity place, described delay capacitor provides a time delay voltage;

4. a kind of cement standard maintenance groove according to claim 3, is characterized in that: described timing module comprises the 2nd resistance, the 3rd resistance and the 4th resistance that are arranged in series; The node that described 2nd resistance and the 3rd resistance couple provides votage reference, and described 4th resistance is set to adjustable resistance.

5. a kind of cement standard maintenance groove according to claim 3, is characterized in that: described timing module comprises the 2nd resistance, the 3rd resistance and the throwing that are arranged in series and cuts unit; The node that described 2nd resistance and the 3rd resistance couple provides votage reference, described throwing is cut unit and is comprised the 4th resistance, the 5th resistance, the 6th resistance, described 4th resistance, the 5th resistance are different with the 6th resistance, and are connected with the 3rd resistance by a single-pole triple-throw switch on-off.