CN207099349U - A kind of heating module - Google Patents

Abstract

The utility model discloses a kind of heating module, the heater of the heating module is by the way of PTC heating plates and heating resistance wire are combined, heating resistance wire is clipped between adjacent two panels PTC heating plates, this structure has taken into account the advantages of stable heating resistance wire heating and PTC self-contr ol heating-up temperatures, the heating resistance wire of different parts difference in heating-up temperature is made up using ability temperature automatically controlled PTC, so that heat caused by each position of heater will not differ too big, overall heating is highly uniform, along with the blowing effect of fan, heat caused by heater can be distributed in time.So the heating module, Intelligent Dynamic heating is carried out for the switch board under cold district and wet environment, prevent that condensation and dehumidifying are moistureproof in rack, there is provided cross-ventilation, ensure that interior of equipment cabinet performance preferably operates.

Description

A kind of heating module

Technical field

Cabinet temperature control field is the utility model is related to, more specifically, it relates to which one kind may be mounted in rack Portion is improving the device of in-cabinet temperature, more particularly to a kind of heating module.

Background technology

Today's society, the work of people, it is filled with various uses, the rack of various models in living.Such as ATM automatic cabinets Member's machine, automatic ticket-selling system（AFC）, all kinds of gates, switch cubicle, photovoltaic rack, electric power equipment cabinet, communication cabinet etc..These racks Market faces this extreme working environment, such as severe cold, frost weather.

In low temperature environment, sometimes the equipment of interior of equipment cabinet can not normal work.Therefore in some colder work In environment, it will usually heater is equipped with rack.

The heater being provided at present in rack is usually air-conditioning, although it can reliably, effectively be heated, its volume It is general bigger, space in excessive cabinet can be taken.Therefore, occurs the heating module for possessing smaller volume on the market, it is led To include the heater that can convert electrical energy into heat, be installed in cabinet, the occupancy to space in cabinet can be reduced.

But be present the problem of self-heating is uneven, radiates not in time in this kind of heating module, be installed in rack Afterwards, the temperature at each position in cabinet is difficult to uniformly be raised within a short period of time, therefore its heating properties still has and continues to improve Space.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of heating module, it has hair The advantages of hot uniform, radiating is timely.

To achieve the above object, the utility model provides following technical scheme：

A kind of heating module, including housing, heater and fan are equiped with the housing, the fan is located at heater Side, the position of heater and fan is provided with ventilating opening on the housing, the heater is included between at least three The heating resistance wire of undulate is provided between the PTC heating plates of setting, adjacent two panels PTC heating plates.

Using such scheme, the heater of the heating module by the way of PTC heating plates and heating resistance wire are combined, Heating resistance wire is clipped between adjacent two panels PTC heating plates, this structure taken into account that heating resistance wire heating is stable and PTC self The advantages of controlling heating-up temperature, the heating resistance wire of different parts is made up in heating-up temperature using ability temperature automatically controlled PTC Upper difference, so that heat caused by each position of heater will not differ too big, overall heating is highly uniform, adds The blowing effect of fan, heat caused by heater can be distributed in time.So the heating module, for cold district And the switch board under wet environment carries out intelligent heating, prevent that condensation and dehumidifying are moistureproof in rack, there is provided cross-ventilation, ensure machine Cabinet internal performance preferably operates.

Preferably：The quantity of the PTC heating plates be 5, be followed successively by be arranged in parallel the first PTC heating plates, 2nd PTC heating plates, the 3rd PTC heating plates, the 4th PTC heating plates and the 5th PTC heating plates, the first PTC heating plates It is equal with the thickness of the 5th PTC heating plates and both are symmetrically distributed in the both sides of the 3rd PTC heating plates, the 2nd PTC heating The thickness of piece and the 4th PTC heating plates is equal and is symmetrically distributed in the both sides of the 3rd PTC heating plates.

Using such scheme, heater can be divided into more effective heating area domains, heater is integrally generated heat more To be uniform.

Preferably：The thickness of the 2nd PTC heating plates be more than the first PTC heating plates thickness, described first The thickness of PTC heating plates is more than the thickness of the 3rd PTC heating plates.

Using such scheme, being arranged such can make PTC heating plates have different heat to the different parts of heater Dynamic compensation ability is measured, meets the temperature distributing characteristic of heater, improves the ability of consistent heat generation.

Preferably：The heating module also includes single-chip microcomputer, switch module, power module and temperature sensor, Simultaneously out-put supply uses the power module connection civil power for single-chip microcomputer and temperature sensor；The switch module is connected to power supply Between interface and heater and fan, the output end of the temperature sensor and the sampled signal end of single-chip microcomputer connect, monolithic The control signal input of the control signal output connecting valve module of machine.

Using such scheme, temperature sensor detects to the environment temperature where heating module, and single-chip microcomputer is to temperature Detected value is compared, and so as to control the start and stop of heater and fan, realizes heated at constant temperature.

Preferably：The temperature sensor is arranged on hull outside.

Using such scheme, temperature sensor can be made more accurately to detect external temperature, improve the degree of accuracy of temperature control.

Preferably：The temperature sensor is coated on one by the External cable of heat-shrinkable T bush and heating module Rise.

Preferably：The relay of the switch module.

Preferably：The power module includes transforming circuit and is coupled to the rectification circuit of transforming circuit.

Preferably：On the housing shield is equiped with two ventilating openings.

Compared with prior art, the utility model has the advantages that：The heater of the heating module uses PTC heating plates and hair The mode that hot water radiation wire is combined, heating resistance wire are clipped between adjacent two panels PTC heating plates, and this structure has taken into account heating electric The advantages of hindering stable silk heating and PTC self-contr ol heating-up temperatures, different parts are made up using ability temperature automatically controlled PTC Heating resistance wire difference in heating-up temperature, so that heat caused by each position of heater will not differ too big, it is overall Heating it is highly uniform, along with the blowing effect of fan, heat caused by heater can be distributed in time.So should Heating module, Intelligent Dynamic heating is carried out for the switch board under cold district and wet environment, prevent condensation in rack and remove Wet protection against the tide, there is provided cross-ventilation, ensure that interior of equipment cabinet performance preferably operates.

Brief description of the drawings

Fig. 1 is the internal structure schematic diagram of heating module；

Fig. 2 is the circuit theory diagrams of heating module；

Fig. 3 is the overall structure diagram of heating module；

Fig. 4 is the structural representation of heater.

Description of reference numerals:1st, housing；2nd, heater；201st, the first PTC heating plates；202nd, the 2nd PTC heating plates； 203rd, the 3rd PTC heating plates；204th, the 4th PTC heating plates；205th, the 5th PTC heating plates；206th, heating resistance wire；3rd, fan； 4th, the first shield；5th, the second shield；6th, temperature sensor；7th, heat-shrinkable T bush.

Embodiment

Reference picture 1, a kind of heating module, including housing 1, heater 2 and fan 3,3, fan are fixed with inside housing 1 In the side of heater 2 and the face heater 2 of fan 3.Offered on housing 1 positioned at the position where heater 2 and fan 3 Ventilating opening is simultaneously respectively provided with the first shield 4 and the second shield 5 at two ventilating openings.

Reference picture 2, also include power interface, power module, single-chip microcomputer, switch module and TEMP in heating module Device 6.The wherein power line of power interface connection heating module, power line are used to connect civil power；Power module includes being used for city Transforming circuit that electricity is depressured and the rectification circuit for being coupled to transforming circuit, rectification circuit output light current power supply, power supply source Module and temperature sensor 6 use；Switch module is relay, and relay is connected to power interface and heater 2 and fan 3 Between, the sampled signal end of the output end of temperature sensor 6 and single-chip microcomputer connects, the control signal output connection of single-chip microcomputer after The coil of electrical equipment.

Reference picture 3, the temperature sensor 6 of the heating module are arranged on outside housing 1, and it passes through heat-shrinkable T bush 7 and heating The External cable of module is bundled together.

Reference picture 4, the first PTC heating plates 201 that heater 2 includes be arrangeding in parallel successively, the 2nd PTC heating plates 202, the Three PTC heating plates 203, the 4th PTC heating plates 204 and the 5th PTC heating plates 205.It is provided between adjacent two panels heating plate Heating resistance wire 206, the waviness of heating resistance wire 206.In the present embodiment, the first PTC heating plates 201 and the 5th heating plate pair Claim the both sides for being arranged on the 3rd PTC heating plates 203, and the thickness phase of the first PTC heating plates 201 and the 5th PTC heating plates 205 Deng；2nd PTC heating plates 202 and the 4th PTC heating plates 204 are also symmetrical arranged the both sides of the 3rd PTC heating plates 203, the 2nd PTC Heating plate 202 is also equal with the thickness of the 4th PTC heating plates 204；The thickness of 2nd PTC heating plates 202 heats more than the first PTC The thickness of piece 201, and the thickness of the first PTC heating plates 201 is more than the thickness of the 3rd PTC heating plates 203.

During use, temperature sensor 6 is detected and exports temperature the heating module to the temperature of surrounding environment Detection signal is spent, temperature detection signal is gathered by single-chip microcomputer, and single-chip microcomputer is preset with the first temperature threshold and second temperature threshold value, its Middle second temperature threshold value is greater than the first temperature threshold.Single-chip microcomputer by the temperature signal value collected and the first temperature threshold and Second temperature threshold value is compared, and when the temperature signal value collected is less than the first temperature threshold, single-chip microcomputer is sent out to relay Enabling signal is sent, the switch contact of relay is acted, and the power supply of heater 2 and fan 3 is switched on, and heater 2 starts to produce Heat, at the same time fan 3 start to rotate, heat caused by heater 2 is dispelled in surrounding environment, makes surrounding environment temperature Degree rise；After ambient temperature rise, the temperature detection signal that temperature sensor 6 exports changes therewith, when single-chip microcomputer gathers Temperature signal value when being more than second temperature threshold value, single-chip microcomputer sends stop signal to relay, and the switch contact of relay moves Make, the power supply of heater 2 and fan 3 is disconnected, and heating module stops outwards conveying heat.So, where heating module The temperature of environment is with regard to that can be controlled in certain temperature range.

Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (9)

1. a kind of heating module, including housing, it is characterized in that：Heater and fan, the fan position are equiped with the housing The position for being located at heater and fan on the side of heater, the housing is provided with ventilating opening, the heater is included extremely Lack three spaced PTC heating plates, the heating resistance wire of undulate is provided between adjacent two panels PTC heating plates.

2. heating module according to claim 1, it is characterized in that：The quantity of the PTC heating plates is 5, is followed successively by flat The first PTC heating plates, the 2nd PTC heating plates, the 3rd PTC heating plates, the 4th PTC heating plates and the 5th PTC that row is set add Backing, the thickness of the first PTC heating plates and the 5th PTC heating plates is equal and both are symmetrically distributed in the 3rd PTC heating plates Both sides, the thickness of the 2nd PTC heating plates and the 4th PTC heating plates is equal and is symmetrically distributed in the 3rd PTC heating plates Both sides.

3. heating module according to claim 2, it is characterized in that：The thickness of the 2nd PTC heating plates is more than the first PTC The thickness of heating plate, the thickness of the first PTC heating plates are more than the thickness of the 3rd PTC heating plates.

4. heating module according to claim 1, it is characterized in that：The heating module also include single-chip microcomputer, switch module, Power module and temperature sensor, simultaneously out-put supply uses the power module connection civil power for single-chip microcomputer and temperature sensor； The switch module is connected between power interface and heater and fan, the output end and single-chip microcomputer of the temperature sensor Sampled signal end connection, the control signal input of the control signal output connecting valve module of single-chip microcomputer.

5. heating module according to claim 4, it is characterized in that：The temperature sensor is arranged on hull outside.

6. heating module according to claim 5, it is characterized in that：The temperature sensor passes through heat-shrinkable T bush and heated mould The External cable of block is coated togather.

7. heating module according to claim 4, it is characterized in that：The relay of the switch module.

8. heating module according to claim 4, it is characterized in that：The power module includes transforming circuit and is coupled to change The rectification circuit of volt circuit.

9. heating module according to claim 1, it is characterized in that：On the housing shield is equiped with two ventilating openings Cover.