CN209298395U - A kind of arcing prevention electric hot-water bag - Google Patents

Abstract

The utility model discloses a kind of arcing prevention electric hot-water bags, including connecing electric unit and charhing unit, connecing electric unit includes firewire jack, zero line jack and instruction lamp insertion hole, charhing unit includes firewire contact pin corresponding with three jacks, zero curve contact pin and indicator light contact pin, copper pipe end face in the firewire jack and zero line jack be in contact respectively with corresponding firewire contact pin with zero curve contact pin end face state when, it is described instruction lamp insertion hole in copper pipe end face and indicator light contact pin end face between there are also 1-10mm spacing.Firewire copper pipe is set to be in contact when being powered in firewire contact pin and zero curve contact pin respectively with zero curve copper pipe in this way, and pointer lamp copper pipe and indicator light contact pin are also in not in contact with state, indicator light does not work at this time, promote the further underthrust of user, it can ensure that copper pipe and contact pin plug together in place in this way, guarantee that contact is good, so as to effectively eliminate arcing phenomenon, improves safety in utilization.

Description

A kind of arcing prevention electric hot-water bag

Technical field

The utility model relates to electric hot-water bag technical fields, more particularly, to a kind of arcing prevention electric hot-water bag.

Background technique

Electric hot-water bag is because easy to use, soaking time is long, heating effect extensively gets consumer reception due to good the advantages that.Often at present The electric hot-water bag seen generally comprises sealing bag body, heat-generating units, connects electric unit and charhing unit；Sealing inside hermetic bag body is empty Filled with the liquid medium for transmitting heat, heat-generating units are set in sealing cavity and are soaked in liquid medium chamber；It connects Electric unit and sealing bag body are tightly connected, and are connect electric unit a part and are exposed to outside hermetic bag body, another part is sealed in sealing In the sealing cavity of bag body, connects electric unit and be electrically connected with heat-generating units.After being powered on by charhing unit, heat-generating units are connect Electric unit and power supply built-up circuit are powered, and the electromotion pilot lamp in charhing unit is bright, and heat-generating units are heated to the liquid in bag, with The increase of heating time, originally flat bag body is expanded in the case where liquid volume and steam constantly expand and is heaved, then passes through temperature control The protective devices such as device, thermal protector and achieve the purpose that safe handling.

But in actual use, user, which sees, often will be considered that hot-water bottle stops charging normal after indicator light is bright It by the jack of charhing unit again toward underthrust, therefore does not plug together jack on earth with the contact pin for connecing electric unit, is easy for pine in this way It is dynamic and cause poor contact, so that arcing occur and lead to hot-water bottle burnout phenomenon, while security risk also is brought to using.

Utility model content

Technical problem to be solved in the utility model be for above-mentioned state of the art, provide a kind of structure it is simple, The electric hot-water bag of energy arcing prevention.

Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of arcing prevention electric hot-water bag, including Electric unit and charhing unit are connect, the electric unit that connects includes three jacks, and three jacks are respectively and power firestreak electricity The firewire jack of connection, the zero line jack being electrically connected with zero-power line and the instruction lamp insertion hole being electrically connected with indicator light, correspondingly, The charhing unit includes firewire contact pin corresponding with three jacks, zero curve contact pin and indicator light contact pin, feature Be: conducting element end face in the firewire jack and zero line jack respectively with corresponding firewire contact pin and zero curve contact pin End face be in contact state when, there are also between one between the conducting element end face and indicator light contact pin end face in the instruction lamp insertion hole Every spacing distance 1-10mm.

Preferably, the conducting element in three jacks is copper pipe, the firewire jack and zero line jack Copper pipe length is consistent, and the copper pipe length in the instruction lamp insertion hole is 1- shorter than the copper pipe length of firewire jack and zero line jack 10mm, and be preferred with short 3-5mm；The firewire contact pin, zero curve contact pin are consistent with the length of indicator light contact pin.By that will refer to Copper pipe in needle lamp insertion hole does short, and firewire copper pipe and zero curve copper pipe is made to be in contact conduction in firewire contact pin and zero curve contact pin respectively When, and pointer lamp copper pipe and indicator light contact pin be also in not in contact with state, and indicator light does not work at this time, promote user further under It inserts, can ensure that each copper pipe plugs together in place one by one with corresponding contact pin in this way, guarantee that contact is good, it is existing so as to effectively eliminate arcing As.

Preferably, the conducting element in three jacks is copper pipe, and the firewire jack, zero line jack and Indicate that the copper pipe length of lamp insertion hole is consistent；And the firewire contact pin is consistent with zero curve contact pin length, the indicator light contact pin Length it is 1-10mm shorter than the length of firewire contact pin and zero curve contact pin, be equally preferred with short 3-5mm.By by pointer lamp contact pin It does short, equally makes firewire copper pipe and zero curve copper pipe respectively when firewire contact pin and zero curve contact pin are in contact conduction, and pointer lamp Also in not in contact with state, indicator light does not work at this time, promotes the further underthrust of user, in this way can be true for copper pipe and indicator light contact pin It protects copper pipe and contact pin plugs together in place, guarantee that contact is good, so that arcing phenomenon can also be effectively eliminated.

Compared with the prior art, the advantages of the utility model are: by by the copper pipe or indicator light in pointer lamp insertion hole Contact pin does short, makes firewire copper pipe and zero curve copper pipe respectively when firewire contact pin and zero curve contact pin are in contact conduction, and pointer lamp Also in not in contact with state, indicator light does not work at this time, promotes the further underthrust of user, in this way can be true for copper pipe and indicator light contact pin It protects copper pipe and contact pin plugs together in place, guarantee that contact is good, so as to effectively eliminate arcing phenomenon, improve safety in utilization.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment.

Fig. 2 is the schematic diagram for reflecting that three copper pipe length are different.

Fig. 3 is another structural schematic diagram of the utility model embodiment.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

As shown in Figure 1, the electric hot-water bag main structure of the present embodiment is essentially identical with existing electric hot-water bag, also include Sealing bag body 1, heat-generating units connect electric unit 2 and charhing unit 3, seal the sealing cavity inside bag body 1 and are filled with for transmitting The liquid medium of heat；Heat-generating units include heater, are set in sealing cavity and are soaked in liquid medium；It connects electric single It includes the insulating support being tightly connected with sealing bag body 1 that member 2 is electrically connected with heat-generating units, and insulating support a part exposes to close Outside envelope body, another part is sealed in the sealing cavity of sealing bag body, and power connector, power supply are equipped on insulating support Connector includes three root cutting needles of corresponding three hole location jacks 31,32,33, i.e. firewire contact pin 21, zero curve contact pin 22 and indicator light is inserted Needle 23.Above-mentioned sealing bag body 1, heat-generating units are integrally formed with electric unit assembling is connect, and charhing unit 3 is an independent component, Bracket pattern is generally used, bracket is equipped with indicator light and three jacks, and three jacks are electrically connected with power firestreak respectively Firewire jack 31, the zero line jack 32 being electrically connected with zero-power line and the instruction lamp insertion hole 33 being electrically connected with indicator light, charging are single After member 3 powers on, heat-generating units connect electric unit 2 and the energization of power supply built-up circuit, and the electromotion pilot lamp in charhing unit 3 is bright.

Conducting element in above three jack uses copper pipe, and build-in is in insulation crust.And in order to prevent when in use, Arcing occurs because jack is not inserted into position, copper pipe 331 in instruction lamp insertion hole and firewire jack 311 and zero in the utility model 321 length of copper pipe in line plug wire is not identical (as shown in Figure 2), and indicator light copper pipe 331 is than in firewire jack and zero curve plug wire Copper pipe 311, the short 1-10mm of 321 length, but be best with short 3-5mm.Namely each copper pipe in insulation crust, firewire are inserted Copper pipe 311,321 end faces in hole and zero curve plug wire are inserted after the contracting of 331 end face of indicator light copper pipe with firewire jack and zero curve Copper pipe end face 311,321 in line differs 1-10mm.And it connects the firewire contact pin 21 on electric unit, zero curve contact pin 22 and indicator light and inserts 23 length of needle is consistent, end face.In this way when the copper pipe end face in firewire jack and zero line jack is inserted with corresponding firewire respectively Needle be in contact with zero curve contact pin end face state when, indicate between the copper pipe end face and indicator light contact pin end face in lamp insertion hole there are also 1- The spacing of 10mm.Therefore firewire copper pipe 311 and zero curve copper pipe 321 can be made to have inserted 22 needles in firewire contact pin 21 and zero curve respectively in this way When the conduction that is in contact, and pointer lamp copper pipe 331 and indicator light contact pin 23 be also in not in contact with state, and indicator light does not work at this time, promotees Make the further underthrust of user, can ensure that each copper pipe plugs together in place one by one with corresponding contact pin in this way, guarantee that contact is good, so as to Effectively eliminate arcing phenomenon.

Equally can also using indicator light contact pin do it is short by the way of, to solve this technical problem.As shown in figure 3, specific Be firewire jack, zero line jack and indicate lamp insertion hole 311,321,331 length of copper pipe it is consistent, each copper pipe end face；Firewire Contact pin 21 is consistent with 22 length of zero curve contact pin, and both ends of the surface flush, and the length of indicator light contact pin 23 is than firewire contact pin 21 and zero curve The short 1-10mm of the length of contact pin 22 (being also best with short 3-5mm), namely each contact pin on insulating support, indicator light contact pin End face it is 1-10mm lower with the end face of zero curve contact pin than firewire contact pin.

It other than two preferred embodiments shown in figure, can also be achieved by other means, such as change installation Position realizes, specifically such as the copper pipe installation site in indicator jack is done it is low, or will in insulation crust installation contact pin position Set do it is low；It is limited to as shown in the figure, there can be different moulding there are also sealing bag body, insulating support, charging bracket etc. Structure design.It, can be under the premise of not departing from the principles of the present invention in short, for those of ordinary skills Different remodeling or improvement are carried out to the utility model, these are regarded as within the protection scope of the utility model.

Claims (5)

1. a kind of arcing prevention electric hot-water bag, including electric unit and charhing unit are connect, the electric unit that connects includes three jacks, institute State three jacks be respectively the firewire jack being electrically connected with power firestreak, the zero line jack being electrically connected with zero-power line and with instruction Lamp electrical connection instruction lamp insertion hole, correspondingly, the charhing unit include firewire contact pin corresponding with three jacks, Zero curve contact pin and indicator light contact pin, it is characterised in that: the conducting element end face point in the firewire jack and zero line jack Conducting element end face when the state that is not in contact with corresponding firewire contact pin with zero curve contact pin end face, in the instruction lamp insertion hole There are an interval, spacing distance 1-10mm between indicator light contact pin end face.

2. arcing prevention electric hot-water bag as described in claim 1, it is characterised in that: the conducting element in three jacks is equal For copper pipe, the firewire jack is consistent with the copper pipe length of zero line jack, and the copper pipe length in the instruction lamp insertion hole Copper pipe length than firewire jack and zero line jack is 1-10mm short；The firewire contact pin, zero curve contact pin and indicator light contact pin Length is consistent.

3. arcing prevention electric hot-water bag as described in claim 1, it is characterised in that: the conducting element in three jacks is equal For copper pipe, and the firewire jack, zero line jack and indicate that the copper pipe length of lamp insertion hole is consistent；And the firewire contact pin and Zero curve contact pin length is consistent, and the length of the indicator light contact pin is 1-10mm shorter than the length of firewire contact pin and zero curve contact pin.

4. arcing prevention electric hot-water bag as claimed in claim 2, it is characterised in that: the copper pipe length in the instruction lamp insertion hole Copper pipe length than firewire jack and zero line jack is 3-5mm short.

5. arcing prevention electric hot-water bag as claimed in claim 3, it is characterised in that: the indicator light contact pin length is inserted than firewire The short 3-5mm of length of needle and zero curve contact pin.