Temperature controller

Abstract

The utility model discloses a temperature controller, and particularly relates to the technical field of temperature controllers, the temperature controller comprises an electric control box, a door plate is hinged to the front end of the electric control box, a temperature control assembly is arranged on the electric control box, the temperature control assembly comprises a temperature control instrument, a solid-state relay and a contactor, the temperature control instrument fixedly penetrates through the door plate, and the solid-state relay is connected with the contactor. A mounting plate is fixedly arranged on the inner wall of the rear end of the electric control box, the solid-state relay and the contactor are both fixed to the front end of the mounting plate, the contactor is arranged below the solid-state relay, a fin radiator fixedly penetrates through the rear end of the electric control box, the rear end of the fin radiator extends out of the rear side of the electric control box, and heat dissipation openings are formed in the two sides of the electric control box. Ventilation assemblies are arranged on the outer sides of the two heat dissipation openings. Through the cooperation of the temperature control instrument, the solid-state relay and the contactor on the electric cabinet, the temperature control of the respirator heating sleeve is stable, the risk that the respirator heating sleeve is burnt out due to continuous heating and the injection water is influenced can be prevented, and the running stability of the respirator is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to temperature controller technical field, more specifically, a kind of temperature controller. BACKGROUND

[0002] Temperature controller is a kind of equipment for monitoring and adjusting environmental temperature, its main role is to maintain certain temperature range by controlling heating or refrigeration equipment. For example, the temperature controller for respirator, it is mainly used for controlling and adjusting the temperature of respirator related equipment, by temperature controller control temperature, can prevent condensate to produce, keep gas suitable temperature. For example, prior art publication number CN210873524U emergency respirator for respiratory department nursing, the prior art controls the working state of electric heating rod by temperature controller, thereby the temperature in heating box is maintained in certain range, prevent the temperature in heating box from being too high, avoid patient from suffering harm due to inhaling high-temperature gas, structure design is reasonable. The control circuit of temperature controller is usually composed of microprocessor, operational amplifier, relay, etc., after operation processing, the on-off of relay is controlled, so that the control of equipment is realized, the purpose of adjusting temperature is reached.

[0003] But the above prior art still has the following problems when using: traditional respirator controls temperature by instrument, and back difference type output controls relay to work to heat. This way, due to frequent action, and current is too large when heating, and it is easy to cause relay contact to burn and damage, or relay contact to stick, after sticking, temperature cannot be controlled, leading to that the heating jacket of respirator is always in heating state, causing the heating jacket to burn out. Based on this, the utility model provides a temperature controller with stable temperature control. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a temperature controller, which controls the temperature of the heating jacket of the respirator stably by the cooperation of the temperature control instrument, the solid-state relay and the contactor on the electric control box, prevents the heating jacket of the respirator from being continuously heated and burned out, affects the risk of water for injection, and significantly improves the stability of the operation of the respirator, to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a temperature controller, comprising an electric control box, a door plate is hingedly connected to the front end of the electric control box, a temperature control assembly is arranged on the electric control box, the temperature control assembly comprises a temperature control instrument, a solid-state relay and a contactor, the temperature control instrument is fixedly penetrated on the door plate, an installation plate is fixedly arranged on the inner wall of the rear end of the electric control box, the solid-state relay and the contactor are both fixedly arranged at the front end of the installation plate, and the contactor is arranged below the solid-state relay, a fin radiator is fixedly penetrated at the rear end of the electric control box, and the rear end of the fin radiator extends out of the rear side of the electric control box, a heat dissipation opening is arranged on each side of the electric control box, and a ventilation assembly is arranged outside each heat dissipation opening.

[0006] In a preferred embodiment, the ventilation assembly includes a mounting frame, which is fixed to the heat dissipation vent by a plurality of bolts. Two vertically distributed intake fans are fixedly installed inside the mounting frame located on one side of the electrical control box, and two vertically distributed exhaust fans are fixedly installed inside the mounting frame located on the other side of the electrical control box.

[0007] In a preferred embodiment, dustproof nets are fixedly installed inside both mounting frames. The two dustproof nets are respectively located outside the intake fan and exhaust fan. The dustproof nets block dust and debris from the external environment, thereby reducing the impact of dust and debris on the circulating air.

[0008] In a preferred embodiment, positioning frames are fixedly provided on both outer walls of the electrical control box, and the mounting frame is located inside the positioning frames. The positioning frames are used to position the mounting frame, thereby improving the installation efficiency of the mounting frame.

[0009] In a preferred embodiment, the door panel and the electrical control box are locked together by a lock, and a control switch is fixedly inserted through the front end of the door panel, and the control switch is located below the temperature control instrument.

[0010] In a preferred embodiment, a fixing plate is fixedly provided at the top and bottom of the rear end of the electrical control box. The two fixing plates are respectively located above and below the finned heat sink. Two symmetrically distributed rectangular fixing holes are opened at the front end of each fixing plate. Bolts are passed through the rectangular fixing holes to improve the stability of the electrical control box.

[0011] The technical effects and advantages of this utility model are as follows:

[0012] 1. This utility model uses a temperature control instrument, solid-state relay, and contactor on the electrical control box to stabilize the temperature of the respirator heating jacket, avoiding damage from electric shock or contact sticking caused by excessive current in the solid-state relay. This prevents the respirator heating jacket from burning out due to continuous heating, thus reducing the risk of affecting the water for injection. It significantly improves the stability of the respirator's operation. The contactor opening and closing circuit provides over-temperature disconnection protection, further enhancing the stability of the temperature controller and the respirator.

[0013] 2. By using finned heat sinks to quickly transfer the heat from solid-state relays and contactors to the outside of the control box, the heat dissipation effect of both can be improved. At the same time, by using intake and exhaust fans to accelerate the airflow inside the control box and at the heat sink fins, the heat dissipation effect can be further improved, thereby enhancing the stability of the temperature controller. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 It is the overall structure rear view of the utility model;

[0016] Figure 3 It is the electric control box internal structure schematic view after the door plate of the utility model is opened;

[0017] Figure 4 It is the overall structure side view of the utility model;

[0018] Figure 5 It is the electric control box sectional view of the utility model.

[0019] The figure mark is: 1, electric control box;2, door plate;3, temperature control assembly;4, fin radiator;5, heat dissipation port;6, ventilation assembly;7, positioning frame;8, lockset;9, control switch;10, fixed plate;11, rectangular fixed hole;

[0020] 31, temperature control instrument;32, solid state relay;33, contactor;34, mounting plate;

[0021] 61, mounting frame;62, air inlet fan;63, air outlet fan;64, dust screen. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Referring to the drawings in the description Figures 1-5 The utility model provides a kind of temperature controller, including electric control box 1, the door plate 2 is hinged in the front end of electric control box 1, temperature control assembly 3 is equipped on electric control box 1, temperature control assembly 3 includes temperature control instrument 31, solid state relay 32 and contactor 33, wherein, temperature control instrument 31 is a kind of for measuring, display and adjusting temperature automation instrument, can pass through sensor detection temperature signal, export control signal after internal algorithm processing, adjust the operation of heating or cooling equipment, to realize accurate control to temperature, solid state relay 32 is a kind of non-contact relay, is the non-contact electronic switch with isolation function, contactor 33 can utilize coil current to generate magnetic field, make contactor close, to reach the effect of controlling load, temperature control instrument 31 is fixedly penetrated on door plate 2, mounting plate 34 is fixedly equipped in the rear end inner wall of electric control box 1, solid state relay 32 and contactor 33 are all fixed in the front end of mounting plate 34, and contactor 33 is equipped below solid state relay 32.

[0024] The door plate 2 is locked and connected with the electric control box 1 through the lock 8, the front end of the door plate 2 is fixedly penetrated with the control switch 9, and the control switch 9 is arranged below the temperature control instrument 31, the rear end top and the rear end bottom of the electric control box 1 are fixedly provided with the fixed plates 10, the two fixed plates 10 are arranged above and below the fin heat sink 4 respectively, two rectangular fixed holes 11 symmetrically distributed are formed in the front end of each fixed plate 10, and the bolt is penetrated through the rectangular fixed hole 11, so that the stability of the electric control box 1 can be improved.

[0025] In actual use, the staff installs the electric control box 1 beside the respirator, connects the temperature control assembly 3 on the electric control box 1 with the respirator through the electric wire, adjusts the solid-state relay 32 heating through the PID algorithm on the temperature control instrument 31, can automatically adjust the control signal, realizes accurate temperature adjustment, temperature control is stable, avoids the electric shock and the damage caused by the electric current of the solid-state relay 32 being too large or the solid-state relay 32 contact sticking, and further can prevent the respirator heating jacket from continuously heating and burning, affects the risk of water for injection, significantly improves the stability of the respirator operation, and sets the contactor 33 to open and close the circuit, which can be automatically disconnected when the circuit load, plays a role in over-temperature disconnection protection, so as to further improve the use stability of the temperature controller and the respirator.

[0026] Referring to the description attached Figures 1-5 The rear end of the electric control box 1 is fixedly penetrated with the fin heat sink 4, and the fin heat sink 4 extends out of the rear side of the electric control box 1, the two sides of the electric control box 1 are provided with the heat dissipation openings 5, and the two heat dissipation openings 5 are provided with the ventilation assemblies 6.

[0027] The ventilation assembly 6 comprises an installation frame 61, the installation frame 61 is fixed in the heat dissipation opening 5 through a plurality of bolts, and a positioning frame 7 is fixedly arranged on the outer wall of the two sides of the electric control box 1, the installation frame 61 is arranged in the positioning frame 7, and the positioning frame 7 is used for positioning the installation frame 61, so that the installation efficiency of the installation frame 61 can be improved, two up-down distributed air inlet fans 62 are fixedly arranged in the installation frame 61 on one side of the electric control box 1, and two up-down distributed air outlet fans 63 are fixedly arranged in the installation frame 61 on the other side of the electric control box 1.

[0028] The heat generated by the operation of the solid-state relay 32 and the contactor 33 is conducted to the fin heat sink 4 through the mounting plate 34, the fin heat sink 4 quickly dissipates the heat to the air through a plurality of heat dissipation fins on the surface, at the same time, the two air inlet fans 62 on the left side of the electric control box 1 blow air to the inside of the electric control box 1 and the heat dissipation fins, and the two air outlet fans 63 on the right side of the electric control box 1 suck air, so that the air flow rate at the inside of the electric control box 1 and the heat dissipation fins can be accelerated, and the heat dissipation effect can be improved, and the normal operation of the temperature control assembly 3 can be maintained.

[0029] And, the dustproof net 64 is fixed in the two installation frames 61, and the two dustproof nets 64 are respectively arranged outside the air inlet fan 62 and the air outlet fan 63, so that the dust and sundries in the external environment are blocked by the dustproof nets 64, thereby reducing the influence of the dust and sundries on the circulating air.

[0030] Finally: the above only for the preferred embodiments of the utility model have, and do not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A temperature controller comprising an electric control box (1), a door plate (2) being hinged to the front end of the electric control box (1), characterized in that: The electric control box (1) is provided with a temperature control assembly (3), the temperature control assembly (3) comprises a temperature control instrument (31), a solid state relay (32) and a contactor (33); The temperature control instrument (31) is fixedly penetrated on the door plate (2), the electric control box (1) rear end inner wall is fixedly provided with a mounting plate (34), the solid state relay (32) and the contactor (33) are both fixed on the mounting plate (34) front end, and the contactor (33) is arranged below the solid state relay (32); The electric control box (1) rear end is fixedly penetrated with a fin radiator (4), and the fin radiator (4) rear end extends out of the electric control box (1) rear side, the electric control box (1) both sides are provided with a heat dissipation opening (5), and the both sides of the two heat dissipation openings (5) are provided with a ventilation assembly (6).

2. A thermostat according to claim 1, wherein: The ventilation assembly (6) comprises a mounting frame (61), the mounting frame (61) is fixed in the heat dissipation opening (5) by a plurality of bolts, two upper and lower distributed air inlet fans (62) are fixedly arranged in the mounting frame (61) on one side of the electric control box (1), and two upper and lower distributed air outlet fans (63) are fixedly arranged in the mounting frame (61) on the other side of the electric control box (1).

3. A thermostat according to claim 2, wherein: Two mounting frames (61) are fixedly provided with dust screens (64) inside, and the two dust screens (64) are arranged outside the air inlet fan (62) and the air outlet fan (63) respectively.

4. A thermostat according to claim 2, wherein: The both sides of the electric control box (1) are fixedly provided with positioning frames (7), and the mounting frame (61) is arranged in the positioning frame (7).

5. A temperature controller according to claim 1, wherein: The door plate (2) and the electric control box (1) are locked by a lock (8), the door plate (2) front end is fixedly penetrated with a control switch (9), and the control switch (9) is arranged below the temperature control instrument (31).

6. A temperature controller according to claim 1, wherein: The electric control box (1) rear end top and rear end bottom are both fixedly provided with fixed plates (10), two fixed plates (10) are arranged above and below the fin radiator (4) respectively, and two rectangular fixed holes (11) are arranged in the front end of the two fixed plates (10).

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